From 1dedbf2da5c4aa741bbc6f16dc3ad819625b84f0 Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Tue, 30 Jul 2002 16:40:34 +0000 Subject: [PATCH] Add ltree data type to contrib, from Teodor Sigaev and Oleg Bartunov. --- contrib/Makefile | 3 +- contrib/README | 4 + contrib/ltree/Makefile | 13 + contrib/ltree/README.ltree | 465 ++ contrib/ltree/_ltree_gist.c | 549 +++ contrib/ltree/_ltree_op.c | 212 + contrib/ltree/crc32.c | 110 + contrib/ltree/crc32.h | 10 + contrib/ltree/data/_ltree.data | 1000 ++++ contrib/ltree/data/ltree.data | 1006 ++++ contrib/ltree/expected/ltree.out | 7371 ++++++++++++++++++++++++++++++ contrib/ltree/lquery_op.c | 240 + contrib/ltree/ltree.h | 251 + contrib/ltree/ltree.sql.in | 849 ++++ contrib/ltree/ltree_gist.c | 600 +++ contrib/ltree/ltree_io.c | 433 ++ contrib/ltree/ltree_op.c | 310 ++ contrib/ltree/ltreetest.sql | 16 + contrib/ltree/ltxtquery_io.c | 484 ++ contrib/ltree/ltxtquery_op.c | 99 + contrib/ltree/patch.72 | 71 + contrib/ltree/sql/ltree.sql | 238 + 22 files changed, 14333 insertions(+), 1 deletion(-) create mode 100644 contrib/ltree/Makefile create mode 100644 contrib/ltree/README.ltree create mode 100644 contrib/ltree/_ltree_gist.c create mode 100644 contrib/ltree/_ltree_op.c create mode 100644 contrib/ltree/crc32.c create mode 100644 contrib/ltree/crc32.h create mode 100644 contrib/ltree/data/_ltree.data create mode 100644 contrib/ltree/data/ltree.data create mode 100644 contrib/ltree/expected/ltree.out create mode 100644 contrib/ltree/lquery_op.c create mode 100644 contrib/ltree/ltree.h create mode 100644 contrib/ltree/ltree.sql.in create mode 100644 contrib/ltree/ltree_gist.c create mode 100644 contrib/ltree/ltree_io.c create mode 100644 contrib/ltree/ltree_op.c create mode 100644 contrib/ltree/ltreetest.sql create mode 100644 contrib/ltree/ltxtquery_io.c create mode 100644 contrib/ltree/ltxtquery_op.c create mode 100644 contrib/ltree/patch.72 create mode 100644 contrib/ltree/sql/ltree.sql diff --git a/contrib/Makefile b/contrib/Makefile index 442592d58b..c9e88be82d 100644 --- a/contrib/Makefile +++ b/contrib/Makefile @@ -1,4 +1,4 @@ -# $Header: /cvsroot/pgsql/contrib/Makefile,v 1.33 2002/07/30 16:32:20 momjian Exp $ +# $Header: /cvsroot/pgsql/contrib/Makefile,v 1.34 2002/07/30 16:40:34 momjian Exp $ subdir = contrib top_builddir = .. @@ -20,6 +20,7 @@ WANTED_DIRS = \ intarray \ isbn_issn \ lo \ + ltree \ miscutil \ noupdate \ oid2name \ diff --git a/contrib/README b/contrib/README index 3bb2883677..09eca9b70b 100644 --- a/contrib/README +++ b/contrib/README @@ -95,6 +95,10 @@ lo - Large Object maintenance by Peter Mount +ltree - + Tree-like data structures + by Teodor Sigaev and Oleg Bartunov + mSQL-interface - mSQL API translation library by Aldrin Leal diff --git a/contrib/ltree/Makefile b/contrib/ltree/Makefile new file mode 100644 index 0000000000..d1120a8458 --- /dev/null +++ b/contrib/ltree/Makefile @@ -0,0 +1,13 @@ +subdir = contrib/tree +top_builddir = ../.. +include $(top_builddir)/src/Makefile.global + +PG_CPPFLAGS = -DLOWER_NODE +MODULE_big = ltree +OBJS = ltree_io.o ltree_op.o lquery_op.o _ltree_op.o crc32.o \ + ltxtquery_io.o ltxtquery_op.o ltree_gist.o _ltree_gist.o +DATA_built = ltree.sql +DOCS = README.ltree +REGRESS = ltree + +include $(top_srcdir)/contrib/contrib-global.mk diff --git a/contrib/ltree/README.ltree b/contrib/ltree/README.ltree new file mode 100644 index 0000000000..568704b97f --- /dev/null +++ b/contrib/ltree/README.ltree @@ -0,0 +1,465 @@ +contrib/ltree module + +ltree - is a PostgreSQL contrib module which contains implementation of data +types, indexed access methods and queries for data organized as a tree-like +structures. +This module will works for PostgreSQL version 7.3. +(patch for 7.2 version is provided, see INSTALLATION) +------------------------------------------------------------------------------- +All work was done by Teodor Sigaev (teodor@stack.net) and Oleg Bartunov +(oleg@sai.msu.su). See http://www.sai.msu.su/~megera/postgres/gist for +additional information. Authors would like to thank Eugeny Rodichev for helpful +discussions. Comments and bug reports are welcome. +------------------------------------------------------------------------------- + +LEGAL NOTICES: This module is released under BSD license (as PostgreSQL +itself). This work was done in framework of Russian Scientific Network and +partially supported by Russian Foundation for Basic Research and Stack Group. +------------------------------------------------------------------------------- + +MOTIVATION + +This is a placeholder for introduction to the problem. Hope, people reading +this document doesn't need it too much :-) + +DEFINITIONS + +A label of a node is a sequence of one or more words separated by blank +character '_' and containing letters and digits ( for example, [a-zA-Z0-9] for +C locale). The length of a label is limited by 256 bytes. + +Example: 'Countries', 'Personal_Services' + +A label path of a node is a sequence of one or more dot-separated labels +l1.l2...ln, represents path from root to the node. The length of a label path +is limited by 65Kb, but size <= 2Kb is preferrable. We consider it's not a +strict limitation ( maximal size of label path for DMOZ catalogue - http:// +www.dmoz.org, is about 240 bytes !) + +Example: 'Top.Countries.Europe.Russia' + +We introduce several datatypes: + +ltree + - is a datatype for label path. + +ltree[] + - is a datatype for arrays of ltree. + +lquery + - is a path expression that has regular expression in the label path and + used for ltree matching. Star symbol (*) is used to specify any number of + labels (levels) and could be used at the beginning and the end of lquery, + for example, '*.Europe.*'. + + The following quantifiers are recognized for '*' (like in Perl): + + {n} Match exactly n levels + {n,} Match at least n levels + {n,m} Match at least n but not more than m levels + {,m} Match at maximum m levels (eq. to {0,m}) + + It is possible to use several modifiers at the end of a label: + + + @ Do case-insensitive label matching + * Do prefix matching for a label + % Don't account word separator '_' in label matching, that is + 'Russian%' would match 'Russian_nations', but not 'Russian' + + lquery could contains logical '!' (NOT) at the beginning of the label and ' + |' (OR) to specify possible alternatives for label matching. + + Example of lquery: + + + Top.*{0,2}.sport*@.!football|tennis.Russ*|Spain + a) b) c) d) e) + + A label path should + + a) begins from a node with label 'Top' + + b) and following zero or 2 labels until + + c) a node with label beginning from case-insensitive prefix 'sport' + + d) following node with label not matched 'football' or 'tennis' and + + e) ends on node with label beginning from 'Russ' or strictly matched + 'Spain'. + +ltxtquery + - is a datatype for label searching (like type 'query' for full text + searching, see contrib/tsearch). It's possible to use modifiers @,%,* at + the end of word. The meaning of modifiers are the same as for lquery. + + Example: 'Europe & Russia*@ & !Transportation' + + Search paths contain words 'Europe' and 'Russia*' (case-insensitive) and + not 'Transportation'. Notice, the order of words as they appear in label + path is not important ! + +OPERATIONS + +The following operations are defined for type ltree: + +<,>,<=,>=,=, <> + - have their usual meanings. Comparison is doing in the order of direct + tree traversing, children of a node are sorted lexicographic. +ltree @> ltree + - returns TRUE if left argument is an ancestor of right argument (or + equal). +ltree <@ ltree + - returns TRUE if left argument is a descendant of right argument (or + equal). +ltree ~ lquery, lquery ~ ltree + - return TRUE if node represented by ltree satisfies lquery. +ltree @ ltxtquery, ltxtquery @ ltree + - return TRUE if node represented by ltree satisfies ltxtquery. +ltree || ltree, ltree || text, text || ltree + - return concatenated ltree. + +Operations for arrays of ltree (ltree[]): + +ltree[] @> ltree, ltree <@ ltree[] + - returns TRUE if array ltree[] contains an ancestor of ltree. +ltree @> ltree[], ltree[] <@ ltree + - returns TRUE if array ltree[] contains a descendant of ltree. +ltree[] ~ lquery, lquery ~ ltree[] + - returns TRUE if array ltree[] contains label paths matched lquery. +ltree[] @ ltxtquery, ltxtquery @ ltree[] + - returns TRUE if array ltree[] contains label paths matched ltxtquery + (full text search). +ltree[] ?@> ltree, ltree ?<@ ltree[], ltree[] ?~ lquery, ltree[] ?@ ltxtquery + - returns first element of array ltree[] satisfies corresponding condition + and NULL in vice versa. + +REMARK + +Operations <@, @>, @ and ~ have analogues - ^<@, ^@>, ^@, ^~, which doesn't use +indices ! + +INDICES + +Various indices could be created to speed up execution of operations: + + * B-tree index over ltree: + <, <=, =, =>, > + * GiST index over ltree: + <, <=, =, =>, >, @>, <@, @, ~ + Example: + create index path_gist_idx on test using gist_ltree_ops (path); + * GiST index over ltree[]: + ltree[]<@ ltree, ltree @> ltree[], @, ~. + Example: + create index path_gist_idx on test using gist__ltree_ops (array_path); + Notices: This index is lossy. + +FUNCTIONS + +ltree subltree + ltree subltree(ltree, start, end) + returns subpath of ltree from start (inclusive) until the end. + # select subltree('Top.Child1.Child2',1,2); + subltree + -------- + Child1 +ltree subpath + ltree subpath(ltree, OFFSET,LEN) + ltree subpath(ltree, OFFSET) + returns subpath of ltree from OFFSET (inclusive) with length LEN. + If OFFSET is negative returns subpath starts that far from the end + of the path. If LENGTH is omitted, returns everything to the end + of the path. If LENGTH is negative, leaves that many labels off + the end of the path. + # select subpath('Top.Child1.Child2',1,2); + subpath + ------- + Child1.Child2 + + # select subpath('Top.Child1.Child2',-2,1); + subpath + --------- + Child1 +int4 nlevel + + int4 nlevel(ltree) - returns level of the node. + # select nlevel('Top.Child1.Child2'); + nlevel + -------- + 3 + +Note, that arguments start, end, OFFSET, LEN have meaning of level of the node +! + +INSTALLATION + + cd contrib/ltree + make + make install + make installcheck + +for 7.2 one needs to apply patch ( patch < patch.72) before installation ! + +EXAMPLE OF USAGE + + createdb ltreetest + psql ltreetest < /usr/local/pgsql/share/contrib/ltree.sql + psql ltreetest < ltreetest.sql + +Now, we have a database ltreetest populated with a data describing hierarchy +shown below: + + + TOP + / | \ + Science Hobbies Collections + / | \ + Astronomy Amateurs_Astronomy Pictures + / \ | + Astrophysics Cosmology Astronomy + / | \ + Galaxies Stars Astronauts + +Inheritance: + +ltreetest=# select path from test where path <@ 'Top.Science'; + path +------------------------------------ + Top.Science + Top.Science.Astronomy + Top.Science.Astronomy.Astrophysics + Top.Science.Astronomy.Cosmology +(4 rows) + +Matching: + +ltreetest=# select path from test where path ~ '*.Astronomy.*'; + path +----------------------------------------------- + Top.Science.Astronomy + Top.Science.Astronomy.Astrophysics + Top.Science.Astronomy.Cosmology + Top.Collections.Pictures.Astronomy + Top.Collections.Pictures.Astronomy.Stars + Top.Collections.Pictures.Astronomy.Galaxies + Top.Collections.Pictures.Astronomy.Astronauts +(7 rows) +ltreetest=# select path from test where path ~ '*.!pictures@.*.Astronomy.*'; + path +------------------------------------ + Top.Science.Astronomy + Top.Science.Astronomy.Astrophysics + Top.Science.Astronomy.Cosmology +(3 rows) + +Full text search: + +ltreetest=# select path from test where path @ 'Astro*% & !pictures@'; + path +------------------------------------ + Top.Science.Astronomy + Top.Science.Astronomy.Astrophysics + Top.Science.Astronomy.Cosmology + Top.Hobbies.Amateurs_Astronomy +(4 rows) + +ltreetest=# select path from test where path @ 'Astro* & !pictures@'; + path +------------------------------------ + Top.Science.Astronomy + Top.Science.Astronomy.Astrophysics + Top.Science.Astronomy.Cosmology +(3 rows) + +Using Functions: + +ltreetest=# select subpath(path,0,2)||'Space'||subpath(path,2) from test where path <@ 'Top.Science.Astronomy'; + ?column? +------------------------------------------ + Top.Science.Space.Astronomy + Top.Science.Space.Astronomy.Astrophysics + Top.Science.Space.Astronomy.Cosmology +(3 rows) +We could create SQL-function: +CREATE FUNCTION ins_label(ltree, int4, text) RETURNS ltree +AS 'select subpath($1,0,$2) || $3 || subpath($1,$2);' +LANGUAGE SQL WITH (ISCACHABLE); + +and previous select could be rewritten as: + +ltreetest=# select ins_label(path,2,'Space') from test where path <@ 'Top.Science.Astronomy'; + ins_label +------------------------------------------ + Top.Science.Space.Astronomy + Top.Science.Space.Astronomy.Astrophysics + Top.Science.Space.Astronomy.Cosmology +(3 rows) + +Or with another arguments: + +CREATE FUNCTION ins_label(ltree, ltree, text) RETURNS ltree +AS 'select subpath($1,0,nlevel($2)) || $3 || subpath($1,nlevel($2));' +LANGUAGE SQL WITH (ISCACHABLE); + +ltreetest=# select ins_label(path,'Top.Science'::ltree,'Space') from test where path <@ 'Top.Science.Astronomy'; + ins_label +------------------------------------------ + Top.Science.Space.Astronomy + Top.Science.Space.Astronomy.Astrophysics + Top.Science.Space.Astronomy.Cosmology +(3 rows) + +ADDITIONAL DATA + +To get more feeling from our ltree module you could download +dmozltree-eng.sql.gz (about 3Mb tar.gz archive containing 300,274 nodes), +available from http://www.sai.msu.su/~megera/postgres/gist/ltree/ +dmozltree-eng.sql.gz, which is DMOZ catalogue, prepared for use with ltree. +Setup your test database (dmoz), load ltree module and issue command: + +zcat dmozltree-eng.sql.gz| psql dmoz + +Data will be loaded into database dmoz and all indices will be created. + +BENCHMARKS + +All runs were performed on my IBM ThinkPad T21 (256 MB RAM, 750Mhz) using DMOZ +data, containing 300,274 nodes (see above for download link). We used some +basic queries typical for walking through catalog. + +QUERIES + + * Q0: Count all rows (sort of base time for comparison) + select count(*) from dmoz; + count + -------- + 300274 + (1 row) + * Q1: Get direct children (without inheritance) + select path from dmoz where path ~ 'Top.Adult.Arts.Animation.*{1}'; + path + ----------------------------------- + Top.Adult.Arts.Animation.Cartoons + Top.Adult.Arts.Animation.Anime + (2 rows) + * Q2: The same as Q1 but with counting of successors + select path as parentpath , (select count(*)-1 from dmoz where path <@ + p.path) as count from dmoz p where path ~ 'Top.Adult.Arts.Animation.*{1}'; + parentpath | count + -----------------------------------+------- + Top.Adult.Arts.Animation.Cartoons | 2 + Top.Adult.Arts.Animation.Anime | 61 + (2 rows) + * Q3: Get all parents + select path from dmoz where path @> 'Top.Adult.Arts.Animation' order by + path asc; + path + -------------------------- + Top + Top.Adult + Top.Adult.Arts + Top.Adult.Arts.Animation + (4 rows) + * Q4: Get all parents with counting of children + select path, (select count(*)-1 from dmoz where path <@ p.path) as count + from dmoz p where path @> 'Top.Adult.Arts.Animation' order by path asc; + path | count + --------------------------+-------- + Top | 300273 + Top.Adult | 4913 + Top.Adult.Arts | 339 + Top.Adult.Arts.Animation | 65 + (4 rows) + * Q5: Get all children with levels + select path, nlevel(path) - nlevel('Top.Adult.Arts.Animation') as level + from dmoz where path ~ 'Top.Adult.Arts.Animation.*{1,2}' order by path asc; + path | level + ------------------------------------------------+------- + Top.Adult.Arts.Animation.Anime | 1 + Top.Adult.Arts.Animation.Anime.Fan_Works | 2 + Top.Adult.Arts.Animation.Anime.Games | 2 + Top.Adult.Arts.Animation.Anime.Genres | 2 + Top.Adult.Arts.Animation.Anime.Image_Galleries | 2 + Top.Adult.Arts.Animation.Anime.Multimedia | 2 + Top.Adult.Arts.Animation.Anime.Resources | 2 + Top.Adult.Arts.Animation.Anime.Titles | 2 + Top.Adult.Arts.Animation.Cartoons | 1 + Top.Adult.Arts.Animation.Cartoons.AVS | 2 + Top.Adult.Arts.Animation.Cartoons.Members | 2 + (11 rows) + +Timings + ++---------------------------------------------+ +|Query|Rows|Time (ms) index|Time (ms) no index| +|-----+----+---------------+------------------| +| Q0| 1| NA| 1453.44| +|-----+----+---------------+------------------| +| Q1| 2| 0.49| 1001.54| +|-----+----+---------------+------------------| +| Q2| 2| 1.48| 3009.39| +|-----+----+---------------+------------------| +| Q3| 4| 0.55| 906.98| +|-----+----+---------------+------------------| +| Q4| 4| 24385.07| 4951.91| +|-----+----+---------------+------------------| +| Q5| 11| 0.85| 1003.23| ++---------------------------------------------+ +Timings without indices were obtained using operations which doesn't use +indices (see above) + +Remarks + +We didn't run full-scale tests, also we didn't present (yet) data for +operations with arrays of ltree (ltree[]) and full text searching. We'll +appreciate your input. So far, below some (rather obvious) results: + + * Indices does help execution of queries + * Q4 performs bad because one needs to read almost all data from the HDD + +CHANGES + +July 13, 2002 + Initial release. + +TODO + + * Testing on 64-bit platforms. There are several known problems with byte + alignment; + * Better documentation; + * We plan (probably) to improve regular expressions processing using + non-deterministic automata; + * Some sort of XML support; + * Better full text searching; + +SOME BACKGROUNDS + +The approach we use for ltree is much like one we used in our other GiST based +contrib modules (intarray, tsearch, tree, btree_gist, rtree_gist). Theoretical +background is available in papers referenced from our GiST development page +(http://www.sai.msu.su/~megera/postgres/gist). + +A hierarchical data structure (tree) is a set of nodes. Each node has a +signature (LPS) of a fixed size, which is a hashed label path of that node. +Traversing a tree we could *certainly* prune branches if + +LQS (bitwise AND) LPS != LQS + +where LQS is a signature of lquery or ltxtquery, obtained in the same way as +LPS. + +ltree[]: +For array of ltree LPS is a bitwise OR-ed signatures of *ALL* children +reachable from that node. Signatures are stored in RD-tree, implemented using +GiST, which provides indexed access. + +ltree: +For ltree we store LPS in a B-tree, implemented using GiST. Each node entry is +represented by (left_bound, signature, right_bound), so that we could speedup +operations <, <=, =, =>, > using left_bound, right_bound and prune branches of +a tree using signature. +------------------------------------------------------------------------------- +We ask people who find the module useful to send us a postcards to: +Moscow, 119899, Universitetski pr.13, Moscow State University, Sternberg +Astronomical Institute, Russia +For: Bartunov O.S. +and +Moscow, Bratislavskaya str.23, appt. 18, Russia +For: Sigaev F.G. diff --git a/contrib/ltree/_ltree_gist.c b/contrib/ltree/_ltree_gist.c new file mode 100644 index 0000000000..84593deb97 --- /dev/null +++ b/contrib/ltree/_ltree_gist.c @@ -0,0 +1,549 @@ +/* + * GiST support for ltree[] + * Teodor Sigaev + */ + +#include "ltree.h" +#include "access/gist.h" +#include "access/rtree.h" +#include "access/nbtree.h" +#include "utils/array.h" + +#include "crc32.h" + +PG_FUNCTION_INFO_V1( _ltree_compress ); +Datum _ltree_compress(PG_FUNCTION_ARGS); +PG_FUNCTION_INFO_V1( _ltree_same ); +Datum _ltree_same(PG_FUNCTION_ARGS); +PG_FUNCTION_INFO_V1( _ltree_union ); +Datum _ltree_union(PG_FUNCTION_ARGS); +PG_FUNCTION_INFO_V1( _ltree_penalty ); +Datum _ltree_penalty(PG_FUNCTION_ARGS); +PG_FUNCTION_INFO_V1( _ltree_picksplit ); +Datum _ltree_picksplit(PG_FUNCTION_ARGS); +PG_FUNCTION_INFO_V1( _ltree_consistent ); +Datum _ltree_consistent(PG_FUNCTION_ARGS); + +#define GETENTRY(vec,pos) ((ltree_gist *) DatumGetPointer(((GISTENTRY *) VARDATA(vec))[(pos)].key)) +#define NEXTVAL(x) ( (ltree*)( (char*)(x) + INTALIGN( VARSIZE(x) ) ) ) +#define SUMBIT(val) ( \ + GETBITBYTE(val,0) + \ + GETBITBYTE(val,1) + \ + GETBITBYTE(val,2) + \ + GETBITBYTE(val,3) + \ + GETBITBYTE(val,4) + \ + GETBITBYTE(val,5) + \ + GETBITBYTE(val,6) + \ + GETBITBYTE(val,7) \ +) +#define WISH_F(a,b,c) (double)( -(double)(((a)-(b))*((a)-(b))*((a)-(b)))*(c) ) + +static void +hashing(BITVECP sign, ltree *t) { + int tlen = t->numlevel; + ltree_level *cur = LTREE_FIRST(t); + int hash; + + while(tlen > 0) { + hash = crc32_sz( cur->name, cur->len ); + AHASH( sign, hash ); + cur = LEVEL_NEXT(cur); + tlen--; + } +} + +Datum +_ltree_compress(PG_FUNCTION_ARGS) { + GISTENTRY *entry = (GISTENTRY *)PG_GETARG_POINTER(0); + GISTENTRY *retval = entry; + + if ( entry->leafkey ) { /* ltree */ + ltree_gist *key; + ArrayType *val = (ArrayType*)DatumGetPointer(PG_DETOAST_DATUM(entry->key)); + int4 len = LTG_HDRSIZE + ASIGLEN; + int num=ArrayGetNItems( ARR_NDIM(val), ARR_DIMS(val) ); + ltree *item = (ltree*)ARR_DATA_PTR(val); + + if ( ARR_NDIM(val) != 1 ) + elog(ERROR,"Dimension of array != 1"); + + key = (ltree_gist*)palloc( len ); + key->len = len; + key->flag = 0; + + MemSet( LTG_SIGN(key), 0, sizeof(ASIGLEN) ); + while( num>0 ) { + hashing(LTG_SIGN(key), item); + num--; + item = NEXTVAL(item); + } + + if ( PointerGetDatum(val) != entry->key ) + pfree(val); + + retval = (GISTENTRY*)palloc( sizeof(GISTENTRY) ); + gistentryinit(*retval, PointerGetDatum(key), + entry->rel, entry->page, + entry->offset, key->len, FALSE); + } else { + int4 i,len; + ltree_gist *key; + + BITVECP sign = LTG_SIGN(DatumGetPointer( entry->key ) ); + + ALOOPBYTE( + if ( sign[i] != 0xff ) + PG_RETURN_POINTER(retval); + ); + + len = LTG_HDRSIZE; + key = (ltree_gist*)palloc( len ); + key->len = len; + key->flag = LTG_ALLTRUE; + + retval = (GISTENTRY*)palloc( sizeof(GISTENTRY) ); + gistentryinit(*retval, PointerGetDatum(key), + entry->rel, entry->page, + entry->offset, key->len, FALSE); + } + PG_RETURN_POINTER(retval); +} + +Datum +_ltree_same(PG_FUNCTION_ARGS) { + ltree_gist* a=(ltree_gist*)PG_GETARG_POINTER(0); + ltree_gist* b=(ltree_gist*)PG_GETARG_POINTER(1); + bool *result = (bool *)PG_GETARG_POINTER(2); + + if ( LTG_ISALLTRUE(a) && LTG_ISALLTRUE(b) ) { + *result = true; + } else if ( LTG_ISALLTRUE(a) ) { + *result = false; + } else if ( LTG_ISALLTRUE(b) ) { + *result = false; + } else { + int4 i; + BITVECP sa=LTG_SIGN(a), sb=LTG_SIGN(b); + *result = true; + ALOOPBYTE( + if ( sa[i] != sb[i] ) { + *result = false; + break; + } + ); + } + PG_RETURN_POINTER(result); +} + +static int4 +unionkey( BITVECP sbase, ltree_gist *add ) { + int4 i; + BITVECP sadd = LTG_SIGN( add ); + + if ( LTG_ISALLTRUE(add) ) + return 1; + + ALOOPBYTE( + sbase[i] |= sadd[i]; + ); + return 0; +} + +Datum +_ltree_union(PG_FUNCTION_ARGS) { + bytea *entryvec = (bytea *) PG_GETARG_POINTER(0); + int *size = (int *) PG_GETARG_POINTER(1); + ABITVEC base; + int4 len = (VARSIZE(entryvec) - VARHDRSZ) / sizeof(GISTENTRY); + int4 i; + int4 flag = 0; + ltree_gist *result; + + MemSet( (void*)base, 0, sizeof(ABITVEC) ); + for(i=0;ilen = len; + result->flag = flag; + if ( ! LTG_ISALLTRUE(result) ) + memcpy((void*)LTG_SIGN(result), (void*)base, sizeof( ABITVEC ) ); + + PG_RETURN_POINTER(result); +} + +static int4 +sizebitvec( BITVECP sign ) { + int4 size=0, i; + ALOOPBYTE( + size += SUMBIT(*(char*)sign); + sign = (BITVECP) ( ((char*)sign) + 1 ); + ); + return size; +} + +Datum +_ltree_penalty(PG_FUNCTION_ARGS) { + ltree_gist *origval = (ltree_gist*)DatumGetPointer( ( (GISTENTRY *)PG_GETARG_POINTER(0) )->key ); + ltree_gist *newval = (ltree_gist*)DatumGetPointer( ( (GISTENTRY *)PG_GETARG_POINTER(1) )->key ); + float *penalty = (float *) PG_GETARG_POINTER(2); + BITVECP orig = LTG_SIGN(origval); + + if ( LTG_ISALLTRUE(origval) ) { + *penalty = 0.0; + PG_RETURN_POINTER( penalty ); + } + + if ( LTG_ISALLTRUE(newval) ) { + *penalty = (float) (ASIGLENBIT - sizebitvec( orig ) ); + } else { + unsigned char valtmp; + BITVECP nval = LTG_SIGN(newval); + int4 i, unionsize=0; + + ALOOPBYTE( + valtmp = nval[i] | orig[i]; + unionsize += SUMBIT(valtmp) - SUMBIT(orig[i]); + ); + *penalty = (float)unionsize; + } + PG_RETURN_POINTER( penalty ); +} + +typedef struct { + OffsetNumber pos; + int4 cost; +} SPLITCOST; + +static int +comparecost( const void *a, const void *b ) { + return ((SPLITCOST*)a)->cost - ((SPLITCOST*)b)->cost; +} + +Datum +_ltree_picksplit(PG_FUNCTION_ARGS) { + bytea *entryvec = (bytea*) PG_GETARG_POINTER(0); + GIST_SPLITVEC *v = (GIST_SPLITVEC*) PG_GETARG_POINTER(1); + OffsetNumber k,j; + ltree_gist *datum_l, *datum_r; + ABITVEC union_l, union_r; + bool firsttime = true; + int4 size_alpha,size_beta,sizeu,sizei; + int4 size_waste, waste = 0.0; + int4 size_l, size_r; + int4 nbytes; + OffsetNumber seed_1=0, seed_2=0; + OffsetNumber *left, *right; + OffsetNumber maxoff; + BITVECP ptra, ptrb, ptrc; + int i; + unsigned char valtmp; + SPLITCOST *costvector; + ltree_gist *_k, *_j; + + maxoff = ((VARSIZE(entryvec) - VARHDRSZ) / sizeof(GISTENTRY)) - 2; + nbytes = (maxoff + 2) * sizeof(OffsetNumber); + v->spl_left = (OffsetNumber *) palloc(nbytes); + v->spl_right = (OffsetNumber *) palloc(nbytes); + + for (k = FirstOffsetNumber; k < maxoff; k = OffsetNumberNext(k)) { + _k = GETENTRY(entryvec,k); + for (j = OffsetNumberNext(k); j <= maxoff; j = OffsetNumberNext(j)) { + _j = GETENTRY(entryvec,j); + if ( LTG_ISALLTRUE(_k) || LTG_ISALLTRUE(_j) ) { + sizeu = ASIGLENBIT; + if ( LTG_ISALLTRUE(_k) && LTG_ISALLTRUE(_j) ) + sizei = ASIGLENBIT; + else + sizei = ( LTG_ISALLTRUE(_k) ) ? + sizebitvec( LTG_SIGN(_j) ) : sizebitvec( LTG_SIGN(_k) ); + } else { + sizeu = sizei = 0; + ptra = LTG_SIGN(_j); + ptrb = LTG_SIGN(_k); + /* critical section for bench !!! */ + +#define COUNT(pos) do { \ + if ( GETBITBYTE(*(char*)ptra,pos) ) { \ + sizeu++; \ + if ( GETBITBYTE(*(char*)ptrb, pos) ) \ + sizei++; \ + } else if ( GETBITBYTE(*(char*)ptrb, pos) ) \ + sizeu++; \ +} while(0) + + ALOOPBYTE( + COUNT(0); + COUNT(1); + COUNT(2); + COUNT(3); + COUNT(4); + COUNT(5); + COUNT(6); + COUNT(7); + ptra = (BITVECP) ( ((char*)ptra) + 1 ); + ptrb = (BITVECP) ( ((char*)ptrb) + 1 ); + ); + } + size_waste = sizeu - sizei; + if (size_waste > waste || firsttime) { + waste = size_waste; + seed_1 = k; + seed_2 = j; + firsttime = false; + } + } + } + + left = v->spl_left; + v->spl_nleft = 0; + right = v->spl_right; + v->spl_nright = 0; + + if ( seed_1 == 0 || seed_2 == 0 ) { + seed_1 = 1; + seed_2 = 2; + } + + /* form initial .. */ + if ( LTG_ISALLTRUE(GETENTRY(entryvec,seed_1)) ) { + datum_l = (ltree_gist*)palloc( LTG_HDRSIZE ); + datum_l->len = LTG_HDRSIZE; datum_l->flag = LTG_ALLTRUE; + size_l = ASIGLENBIT; + } else { + datum_l = (ltree_gist*)palloc( LTG_HDRSIZE + ASIGLEN ); + datum_l->len = LTG_HDRSIZE + ASIGLEN; datum_l->flag = 0; + memcpy((void*)LTG_SIGN(datum_l), (void*)LTG_SIGN(GETENTRY(entryvec,seed_1)), sizeof(ABITVEC)); + size_l = sizebitvec( LTG_SIGN(datum_l) ); + } + if ( LTG_ISALLTRUE(GETENTRY(entryvec,seed_2)) ) { + datum_r = (ltree_gist*)palloc( LTG_HDRSIZE ); + datum_r->len = LTG_HDRSIZE; datum_r->flag = LTG_ALLTRUE; + size_r = ASIGLENBIT; + } else { + datum_r = (ltree_gist*)palloc( LTG_HDRSIZE + ASIGLEN ); + datum_r->len = LTG_HDRSIZE + ASIGLEN; datum_r->flag = 0; + memcpy((void*)LTG_SIGN(datum_r), (void*)LTG_SIGN(GETENTRY(entryvec,seed_2)), sizeof(ABITVEC)); + size_r = sizebitvec( LTG_SIGN(datum_r) ); + } + + maxoff = OffsetNumberNext(maxoff); + /* sort before ... */ + costvector=(SPLITCOST*)palloc( sizeof(SPLITCOST)*maxoff ); + for (j = FirstOffsetNumber; j <= maxoff; j = OffsetNumberNext(j)) { + costvector[j-1].pos = j; + _j = GETENTRY(entryvec,j); + if ( LTG_ISALLTRUE(_j) ) { + size_alpha = ASIGLENBIT - size_l; + size_beta = ASIGLENBIT - size_r; + } else { + ptra = LTG_SIGN( datum_l ); + ptrb = LTG_SIGN( datum_r ); + ptrc = LTG_SIGN( _j ); + size_beta = size_alpha = 0; + if ( LTG_ISALLTRUE(datum_l) ) { + if ( !LTG_ISALLTRUE(datum_r) ) { + ALOOPBIT( + if ( GETBIT(ptrc,i) && ! GETBIT(ptrb,i) ) + size_beta++; + ); + } + } else if ( LTG_ISALLTRUE(datum_r) ) { + if ( !LTG_ISALLTRUE(datum_l) ) { + ALOOPBIT( + if ( GETBIT(ptrc,i) && ! GETBIT(ptra,i) ) + size_alpha++; + ); + } + } else { + ALOOPBIT( + if ( GETBIT(ptrc,i) && ! GETBIT(ptra,i) ) + size_alpha++; + if ( GETBIT(ptrc,i) && ! GETBIT(ptrb,i) ) + size_beta++; + ); + } + } + costvector[j-1].cost = abs( size_alpha - size_beta ); + } + qsort( (void*)costvector, maxoff, sizeof(SPLITCOST), comparecost ); + + for (k = 0; k < maxoff; k++) { + j = costvector[k].pos; + _j = GETENTRY(entryvec,j); + if ( j == seed_1 ) { + *left++ = j; + v->spl_nleft++; + continue; + } else if ( j == seed_2 ) { + *right++ = j; + v->spl_nright++; + continue; + } + + if ( LTG_ISALLTRUE(datum_l) || LTG_ISALLTRUE(_j) ) { + size_alpha = ASIGLENBIT; + } else { + ptra = LTG_SIGN(_j); + ptrb = LTG_SIGN(datum_l); + size_alpha = 0; + ALOOPBYTE( + valtmp = union_l[i] = ptra[i] | ptrb[i]; + size_alpha += SUMBIT( valtmp ); + ); + } + + if ( LTG_ISALLTRUE(datum_r) || LTG_ISALLTRUE(_j) ) { + size_beta = ASIGLENBIT; + } else { + ptra = LTG_SIGN(_j); + ptrb = LTG_SIGN(datum_r); + size_beta = 0; + ALOOPBYTE( + valtmp = union_r[i] = ptra[i] | ptrb[i]; + size_beta += SUMBIT( valtmp ); + ); + } + + if (size_alpha - size_l < size_beta - size_r + WISH_F(v->spl_nleft, v->spl_nright, 0.1)) { + if ( ! LTG_ISALLTRUE( datum_l ) ) { + if ( size_alpha == ASIGLENBIT ) { + if ( size_alpha != size_l ) + MemSet( (void*)LTG_SIGN(datum_l),0xff, sizeof(ABITVEC)); + } else + memcpy( (void*)LTG_SIGN(datum_l), (void*)union_l, sizeof(ABITVEC) ); + } + size_l = size_alpha; + *left++ = j; + v->spl_nleft++; + } else { + if ( ! LTG_ISALLTRUE( datum_r ) ) { + if ( size_beta == ASIGLENBIT ) { + if ( size_beta != size_r ) + MemSet( (void*)LTG_SIGN(datum_r),0xff, sizeof(ABITVEC)); + } else + memcpy( (void*)LTG_SIGN(datum_r), (void*)union_r, sizeof(ABITVEC) ); + } + size_r = size_beta; + *right++ = j; + v->spl_nright++; + } + } + + *right = *left = FirstOffsetNumber; + pfree(costvector); + + v->spl_ldatum = PointerGetDatum(datum_l); + v->spl_rdatum = PointerGetDatum(datum_r); + + PG_RETURN_POINTER( v ); +} + +static bool +gist_te(ltree_gist *key, ltree* query) { + ltree_level *curq = LTREE_FIRST(query); + BITVECP sign = LTG_SIGN(key); + int qlen = query->numlevel; + unsigned int hv; + + if ( LTG_ISALLTRUE(key) ) + return true; + + while( qlen>0 ) { + hv = crc32_sz(curq->name,curq->len); + if ( ! GETBIT( sign, AHASHVAL(hv) ) ) + return false; + curq = LEVEL_NEXT(curq); + qlen--; + } + + return true; +} + +static bool +checkcondition_bit(void *checkval, ITEM* val ) { + return ( FLG_CANLOOKSIGN(val->flag) ) ? GETBIT( checkval, AHASHVAL( val->val ) ) : true; +} + +static bool +gist_qtxt(ltree_gist *key, ltxtquery* query) { + if ( LTG_ISALLTRUE(key) ) + return true; + + return execute( + GETQUERY(query), + (void*)LTG_SIGN(key), false, + checkcondition_bit + ); +} + +static bool +gist_qe(ltree_gist *key, lquery* query) { + lquery_level *curq = LQUERY_FIRST(query); + BITVECP sign = LTG_SIGN(key); + int qlen = query->numlevel; + + if ( LTG_ISALLTRUE(key) ) + return true; + + while( qlen>0 ) { + if ( curq->numvar && LQL_CANLOOKSIGN(curq) ) { + bool isexist=false; + int vlen = curq->numvar; + lquery_variant *curv = LQL_FIRST(curq); + while( vlen>0 ) { + if ( GETBIT( sign, AHASHVAL( curv->val ) ) ) { + isexist=true; + break; + } + curv = LVAR_NEXT(curv); + vlen--; + } + if ( !isexist ) + return false; + } + + curq = LQL_NEXT(curq); + qlen--; + } + + return true; +} + + +Datum +_ltree_consistent(PG_FUNCTION_ARGS) { + GISTENTRY *entry = (GISTENTRY*)PG_GETARG_POINTER(0); + char *query = (char*)DatumGetPointer( PG_DETOAST_DATUM(PG_GETARG_DATUM(1)) ); + ltree_gist *key = (ltree_gist*)DatumGetPointer( entry->key ); + StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2); + bool res = false; + +#ifndef assert_enabled +#define assert_enabled 0 +#endif + + switch( strategy ) { + case 10: + case 11: + res = gist_te(key, (ltree*)query); + break; + case 12: + case 13: + res = gist_qe(key, (lquery*)query); + break; + case 14: + case 15: + res = gist_qtxt(key, (ltxtquery*)query); + break; + default: + elog(ERROR,"Unknown StrategyNumber: %d", strategy); + } + PG_RETURN_BOOL(res); +} + diff --git a/contrib/ltree/_ltree_op.c b/contrib/ltree/_ltree_op.c new file mode 100644 index 0000000000..3df2d962d4 --- /dev/null +++ b/contrib/ltree/_ltree_op.c @@ -0,0 +1,212 @@ +/* + * op function for ltree[] + * Teodor Sigaev + */ + +#include "ltree.h" +#include +#include "utils/array.h" + +PG_FUNCTION_INFO_V1(_ltree_isparent); +PG_FUNCTION_INFO_V1(_ltree_r_isparent); +PG_FUNCTION_INFO_V1(_ltree_risparent); +PG_FUNCTION_INFO_V1(_ltree_r_risparent); +PG_FUNCTION_INFO_V1(_ltq_regex); +PG_FUNCTION_INFO_V1(_ltq_rregex); +PG_FUNCTION_INFO_V1(_ltxtq_exec); +PG_FUNCTION_INFO_V1(_ltxtq_rexec); + +Datum _ltree_r_isparent(PG_FUNCTION_ARGS); +Datum _ltree_r_risparent(PG_FUNCTION_ARGS); + +PG_FUNCTION_INFO_V1(_ltree_extract_isparent); +PG_FUNCTION_INFO_V1(_ltree_extract_risparent); +PG_FUNCTION_INFO_V1(_ltq_extract_regex); +PG_FUNCTION_INFO_V1(_ltxtq_extract_exec); +Datum _ltree_extract_isparent(PG_FUNCTION_ARGS); +Datum _ltree_extract_risparent(PG_FUNCTION_ARGS); +Datum _ltq_extract_regex(PG_FUNCTION_ARGS); +Datum _ltxtq_extract_exec(PG_FUNCTION_ARGS); + + +typedef Datum (*PGCALL2)(PG_FUNCTION_ARGS); +#define NEXTVAL(x) ( (ltree*)( (char*)(x) + INTALIGN( VARSIZE(x) ) ) ) + +static bool +array_iterator( ArrayType *la, PGCALL2 callback, void* param, ltree ** found) { + int num=ArrayGetNItems( ARR_NDIM(la), ARR_DIMS(la)); + ltree *item = (ltree*)ARR_DATA_PTR(la); + + if ( ARR_NDIM(la) !=1 ) + elog(ERROR,"Dimension of array != 1"); + + if ( found ) + *found=NULL; + while( num>0 ) { + if ( DatumGetBool( DirectFunctionCall2( callback, + PointerGetDatum(item), PointerGetDatum(param) ) ) ) { + + if ( found ) + *found = item; + return true; + } + num--; + item = NEXTVAL(item); + } + + return false; +} + +Datum +_ltree_isparent(PG_FUNCTION_ARGS) { + ArrayType *la = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM(PG_GETARG_DATUM(0))); + ltree *query = PG_GETARG_LTREE(1); + bool res = array_iterator( la, ltree_isparent, (void*)query, NULL ); + PG_FREE_IF_COPY(la,0); + PG_FREE_IF_COPY(query,1); + PG_RETURN_BOOL(res); +} + +Datum +_ltree_r_isparent(PG_FUNCTION_ARGS) { + PG_RETURN_DATUM( DirectFunctionCall2( _ltree_isparent, + PG_GETARG_DATUM(1), + PG_GETARG_DATUM(0) + ) ); +} + +Datum +_ltree_risparent(PG_FUNCTION_ARGS) { + ArrayType *la = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM(PG_GETARG_DATUM(0))); + ltree *query = PG_GETARG_LTREE(1); + bool res = array_iterator( la, ltree_risparent, (void*)query, NULL ); + PG_FREE_IF_COPY(la,0); + PG_FREE_IF_COPY(query,1); + PG_RETURN_BOOL(res); +} + +Datum +_ltree_r_risparent(PG_FUNCTION_ARGS) { + PG_RETURN_DATUM( DirectFunctionCall2( _ltree_risparent, + PG_GETARG_DATUM(1), + PG_GETARG_DATUM(0) + ) ); +} + +Datum +_ltq_regex(PG_FUNCTION_ARGS) { + ArrayType *la = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM(PG_GETARG_DATUM(0))); + lquery *query = PG_GETARG_LQUERY(1); + bool res = array_iterator( la, ltq_regex, (void*)query, NULL ); + PG_FREE_IF_COPY(la,0); + PG_FREE_IF_COPY(query,1); + PG_RETURN_BOOL(res); +} + +Datum +_ltq_rregex(PG_FUNCTION_ARGS) { + PG_RETURN_DATUM( DirectFunctionCall2( _ltq_regex, + PG_GETARG_DATUM(1), + PG_GETARG_DATUM(0) + ) ); +} + +Datum +_ltxtq_exec(PG_FUNCTION_ARGS) { + ArrayType *la = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM(PG_GETARG_DATUM(0))); + ltxtquery *query = PG_GETARG_LTXTQUERY(1); + bool res = array_iterator( la, ltxtq_exec, (void*)query, NULL ); + PG_FREE_IF_COPY(la,0); + PG_FREE_IF_COPY(query,1); + PG_RETURN_BOOL(res); +} + +Datum +_ltxtq_rexec(PG_FUNCTION_ARGS) { + PG_RETURN_DATUM( DirectFunctionCall2( _ltxtq_exec, + PG_GETARG_DATUM(1), + PG_GETARG_DATUM(0) + ) ); +} + + +Datum +_ltree_extract_isparent(PG_FUNCTION_ARGS) { + ArrayType *la = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM(PG_GETARG_DATUM(0))); + ltree *query = PG_GETARG_LTREE(1); + ltree *found,*item; + + if ( !array_iterator( la, ltree_isparent, (void*)query, &found ) ) { + PG_FREE_IF_COPY(la,0); + PG_FREE_IF_COPY(query,1); + PG_RETURN_NULL(); + } + + item = (ltree*)palloc( found->len ); + memcpy( item, found, found->len ); + + PG_FREE_IF_COPY(la,0); + PG_FREE_IF_COPY(query,1); + PG_RETURN_POINTER(item); +} + +Datum +_ltree_extract_risparent(PG_FUNCTION_ARGS) { + ArrayType *la = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM(PG_GETARG_DATUM(0))); + ltree *query = PG_GETARG_LTREE(1); + ltree *found,*item; + + if ( !array_iterator( la, ltree_risparent, (void*)query, &found ) ) { + PG_FREE_IF_COPY(la,0); + PG_FREE_IF_COPY(query,1); + PG_RETURN_NULL(); + } + + item = (ltree*)palloc( found->len ); + memcpy( item, found, found->len ); + + PG_FREE_IF_COPY(la,0); + PG_FREE_IF_COPY(query,1); + PG_RETURN_POINTER(item); +} + +Datum +_ltq_extract_regex(PG_FUNCTION_ARGS) { + ArrayType *la = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM(PG_GETARG_DATUM(0))); + lquery *query = PG_GETARG_LQUERY(1); + ltree *found,*item; + + if ( !array_iterator( la, ltq_regex, (void*)query, &found ) ) { + PG_FREE_IF_COPY(la,0); + PG_FREE_IF_COPY(query,1); + PG_RETURN_NULL(); + } + + item = (ltree*)palloc( found->len ); + memcpy( item, found, found->len ); + + PG_FREE_IF_COPY(la,0); + PG_FREE_IF_COPY(query,1); + PG_RETURN_POINTER(item); +} + +Datum +_ltxtq_extract_exec(PG_FUNCTION_ARGS) { + ArrayType *la = (ArrayType *)DatumGetPointer(PG_DETOAST_DATUM(PG_GETARG_DATUM(0))); + ltxtquery *query = PG_GETARG_LTXTQUERY(1); + ltree *found,*item; + + if ( !array_iterator( la, ltxtq_exec, (void*)query, &found ) ) { + PG_FREE_IF_COPY(la,0); + PG_FREE_IF_COPY(query,1); + PG_RETURN_NULL(); + } + + item = (ltree*)palloc( found->len ); + memcpy( item, found, found->len ); + + PG_FREE_IF_COPY(la,0); + PG_FREE_IF_COPY(query,1); + PG_RETURN_POINTER(item); +} + diff --git a/contrib/ltree/crc32.c b/contrib/ltree/crc32.c new file mode 100644 index 0000000000..bdfba6a332 --- /dev/null +++ b/contrib/ltree/crc32.c @@ -0,0 +1,110 @@ +/* Both POSIX and CRC32 checksums */ + +#include +#include +#include + +#ifdef LOWER_NODE +#include +#define TOLOWER(x) tolower(x) +#else +#define TOLOWER(x) (x) +#endif + +#include "crc32.h" + +/* + * This code implements the AUTODIN II polynomial + * The variable corresponding to the macro argument "crc" should + * be an unsigned long. + * Oroginal code by Spencer Garrett + */ + +#define _CRC32_(crc, ch) (crc = (crc >> 8) ^ crc32tab[(crc ^ (ch)) & 0xff]) + +/* generated using the AUTODIN II polynomial + * x^32 + x^26 + x^23 + x^22 + x^16 + + * x^12 + x^11 + x^10 + x^8 + x^7 + x^5 + x^4 + x^2 + x^1 + 1 + */ + +static const unsigned int crc32tab[256] = { + 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, + 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, + 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, + 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, + 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, + 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, + 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, + 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, + 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, + 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, + 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, + 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, + 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, + 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, + 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, + 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, + 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, + 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, + 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, + 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, + 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, + 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, + 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, + 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, + 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, + 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, + 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, + 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, + 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, + 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, + 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, + 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, + 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, + 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, + 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, + 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, + 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, + 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, + 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, + 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, + 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, + 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, + 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, + 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, + 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, + 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, + 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, + 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, + 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, + 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, + 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, + 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, + 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, + 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, + 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, + 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, + 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, + 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, + 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, + 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, + 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, + 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, + 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, + 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d, +}; + +unsigned int +crc32_sz(char *buf, int size) +{ + unsigned int crc = ~0; + char *p; + int len, + nr; + + len = 0; + nr = size; + for (len += nr, p = buf; nr--; ++p) + _CRC32_(crc, TOLOWER(*p)); + return ~crc; +} diff --git a/contrib/ltree/crc32.h b/contrib/ltree/crc32.h new file mode 100644 index 0000000000..97254a4a90 --- /dev/null +++ b/contrib/ltree/crc32.h @@ -0,0 +1,10 @@ +#ifndef _CRC32_H +#define _CRC32_H + +/* Returns crc32 of data block */ +extern unsigned int crc32_sz(char *buf, int size); + +/* Returns crc32 of null-terminated string */ +#define crc32(buf) crc32_sz((buf),strlen(buf)) + +#endif diff --git a/contrib/ltree/data/_ltree.data b/contrib/ltree/data/_ltree.data new file mode 100644 index 0000000000..9ba2787b08 --- /dev/null +++ b/contrib/ltree/data/_ltree.data @@ -0,0 +1,1000 @@ +{14.30.13.5.26.9.22.23.14.10, 22.8.20.1.10.28.6.27, 16.30.10.7.29.4.9.21.22.13.26} +{5.8.17.30.15.8.19.29.30.11.6, 3.13, 15.8.10, 23.17.28.31.28} +{22.23.22.30, 4.31, 7.13, 32.6.31.31} +{19.10.26.19.5.21.30.23, 24.1.10.20.28.18.6.27.20.30.26, 5.4.8.25.12.27.2.29.28.3, 1.1.1.2} +{11.14.21.24.10.7.29.23.24.28, 31.13.9.1.5.12, 23.12.32.22.19.1.22.4} +{8.32.30.1, 13.8.20.9.21, 8.29.6.3, 30.8.9.14.25.30, 24.2.26.24.14.15.31.23.17.26} +{28.5.12.9.2.27.11.11.2, 24.9.27.16.20.21, 31.30.12.20} +{29.9.25.27.15.16.32.26.6.32, 5.24.25.15.27.30.20} +{12.21.20.20, 4.14.10.19.16, 2.15.14.20.30.26, 19.26.24.27.6.24.16.27.32.29, 29.10.12.17.12.16} +{22.23.22.30, 25.19.27.2.9.20} +{5.3.29.9.22, 28.14.32.29.2.3.4, 21.14.25.20.13.31.14.20, 22.25.4.28.9.20.12.13} +{19.16.31.31.29.12, 1.30.18.31.12.25.4.19.28.12.15, 25.24.29} +{27.27.25.10.31.10.21.22.21.16.12, 7.30.5.10.10.5.30.14.9.18, 3.6.24.21.20.32.3.4.26.5} +{24.9.27.16.20.21, 12.11.20.20.29, 12.29.17.2.20.29.1.11.19.8.12} +{25.2.11.20.8.6.22, 22.24.22.25.15.23.13} +{16.14.3.17.17.26.12.19.19.30, 28.20.8.9.9.28.30.29, 14.9.15.21.21.31.1.29} +{6.26.29.10.21.28.20.19, 23.24.11.31.10.31.18.28.13.18.6, 13.17.7, 29.23.1.21.31.8, 7.27.20} +{22.17.4.2.22.17, 19.9.32.23.13.24.1} +{26.31.7, 16.21.13.1.4} +{22.23.25.28.5.27.9.9.24.31.10, 18.9.26.7, 23.14.12.30.18.4.16.18.7.7, 27.29.1.5.30.6.22.16.23.2.28, 10.29} +{30.27.8.6.11.19, 3.15.2.23.22.2.16.14} +{25.17.18.30, 18.29.5.1.10.21.2, 8.21.17.3.6.3.18, 26.31.7, 26.11} +{5.27.32.21.5.1.11.14, 27.3.3.11.21.4.25, 4.2.16.13.16.11.19.10.10.25, 32.3.23.7.2} +{3.21.6.13.12.18.25, 1.27.22.23.2.26.32.17.7.9, 9.23.21.22.5.29.15.21, 15.5.1.31.28.10.8, 27.5.15.1.15.16.21} +{30.25.17.17.10.29, 31.29.18.26.1.26.17, 2.2.18.18.3.3.18.8.10.8, 8.31.22.27, 18.9.21.2.31.8.32} +{14.6.10.29.25.26.20.24.24, 24.25.7.27.30.8.26.17, 3.4.22.19, 31.29.4.29.24.30.30.32.10.23, 14.5.13.19.25.12.32.9.13.16.12} +{8.10, 20.6.3.26.7.29.28.4, 31.29.4.29.24.30.30.32.10.23, 30.18.30.16.29} +{14.21.6.5.26.9.32.16.25, 29.20.1.11.21.16.1.2.14.28} +{12.7.16.8.21.22.2.16.18, 6.7.25.16.13.21.7.20.25.12.4, 18.29.13.24.18.3.12.18.12.12, 26.7.5.8.11.9.22.1.6, 32.30.18.17.1.14.12.18} +{21.15.18.18.30.3.20, 22.10.16.8, 26.18.32.20} +{5.27.28.26.14.15.6.20.1.31.13, 30.23.10.1.10.7.22.28.18.11.17, 5.27.28.26.14.15.6.20.1.31.13} +{9.6.9.21.6.11.29.13.29.20.32, 27.21.28.24.7.2.24.23.8, 26.25.10.10.13, 14.17.7.30.8.25.26.4} +{10.3.19, 10.16.19.7.15, 1.1, 14.21.6.5.26.9.32.16.25, 24.3.23.25} +{15.10.30.1.4.12.8.20, 22.25.4.28.9.20.12.13} +{15.9.8.20.27, 8.13.9.31.20.20.24.7.23.31.28, 15.1.8, 28.25.29.4.13.5.6} +{24.24, 20.3.1.8.8.30.20, 6.19.6.4.9.11.32.17.17.3.15, 9.31.4.14.31.10.17.5.2} +{21.9.32.1.27, 29.14.31.25.7.32.23, 25.16.9.6} +{1, 16.13.2.19.14.29.31.30.23.15.12, 26.19.3.14.8.28.31.10, 31.5.6.4.8.29.3, 1.11.10.19.6.1.26.17.2.22} +{29.3.15.17.12.29, 19.9.32.23.13.24.1, 2.32.8.28.24.20.9.24.25.8.9, 30.12.9.25.24.6.7.24.29} +{9.22.10.15.5.15, 29.30.7.31.22} +{16.8.29.7.21.2.3, 23.10.5.26.12.4.20.4, 1.12.25.26.22.8.15.23, 4.9, 14.1.15.25.27.23.25.26.28.10} +{11.17.10, 10.22.30.16.2.21.17.13, 29.27.7.7.3.11.14.26.21.11} +{11.14.21.24.10.7.29.23.24.28, 27.22.11.13.21.25.5.1.27.21.27} +{5.2.32.19.13.29.12.13.31.29, 8.6.6.5.8.8.12, 23.20.8, 5.27.21.1.29.29.28} +{13.30.24, 17.11.17.4.8.26.26.20.6, 12.1.28.22.25} +{5.14.27.15.11.17.3.10.27.25, 20.23.29.5.7.30.13.14.22, 24.13.1.8, 27.26.29, 27.18.10.4.22} +{19.16.26.2, 25.3, 10.5.5.15.29.2} +{32.6.3.2.12.5.28.1.25, 5.18.9.25.31.21.22} +{13.8.20.9.21, 24.9.15.1.14.29.6.4} +{1.15.17.6.28.25.24.31.27.9, 2.1.12.19.29.28.3.31.28.28.10, 25.16.9.6, 32.4.19} +{30.12.6.30, 30.31.13.9, 23.12.19.25.16.23.22.6.29.4, 21.18.30.19.24.24} +{26.26.22.21.14.11.29.19.14.24, 7.31.4.20.17, 14.30.13.5.26.9.22.23.14.10, 8.1.29.18.22} +{12.23.3.19.29.15.12.6, 2.4.25.32.16.22.26.13.17.18, 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+8.9.22 +18.18.5.11.7.4.25 +14.3.17.1.14.15.21.4.26 +10.3 +13.12 +27.31.2.16.29.6 +8.2 +27.18.10.4.22 +16.14.3.17.17.26.12.19.19.30 +20.9.29.32.13.7.23 +8.3.3.25.25.15.7.13.21.18 +4.16.7.25.21.7 +17.25.26.23.32 +20.3.1.8.8.30.20 +31.18.25.1.14.29.25.5.22.30 +21.20.28.19.27.9 +30.16.14.9.5.4.10.7.31 +30.22.29.21.19.14.3.2.6 +8.5.30.29.9.31 +23.28.1 +11.16.16.28.14 +18.6.26.2.13.9.6.11.10.11.16 +11.30 +16.5.6.12 +32.24.29.6 +8.31.22.27 +6.18.1.4.18.23 +28.5.13 +26.26.22.21.14.11.29.19.14.24 +29.1 +24.10.10.31.4.29.9 +19.11.10.18.14.13.7.7 +27.29.1.5.30.6.22.16.23.2.28 +3.11.32.11.22.3.7.17.8.13.23 +2.12.14.28.16.21 +24.23.29.8.24.11.21.10.28.14.27 +27.4 +4.11.19.17.2.22.20.18.13.32.15 +7.21.8 +2.27.15.14 +25.9.1.5.9.11.25.4.11.27.32 +25.31 +9.16.2.16.22.24.17.31.14.21.17 +32.1.31 +9.22.10.15.5.15 +12.10.11.9.10.31.4.16.31 +30.24 +15.25.31.11.4.22.16.7.11 +22.8.20.1.10.28.6.27 +10.12.23.22.23.22.20.17.17.9 +3.18.18 +7.7.22.24.17.32.17.25.28 +31.13.9.1.5.12 +25.17.18.17.27 +32.6.31.31 +26.8.28 +14.29 +30.6.4 +27.16 +24.18.16 +27.21.27.5.13.30.17 +23.20.8 +28.14.24.26.6.15.16.32.25.13.8 +13.1.6.17.28.9.15.30.1.27.14 +5.3.17.29 +13.8.15.3.7.31.5.10.15.30 +19.12.26.24.29.3 +11.21.16.27.16 +23.5.7.12.11.23.10 +29.15.29.8.31.26.1 +4.3.20.27.9.1.18.30.12.5.19 +7.19.12.3.21.19.18.5.2.14.10 +8.26.29.13.7.25.31.28.3.32 +12.16.13 +28.25.11.22 +17.26.18 +18.6.2.2.24 +24.11.5 +17.3 +21.14.25.20.13.31.14.20 +23.31.27.16.8.30.20.27 +3.32.2.29.3.32.28.11.29.30 +5.10.2.11.21.9.19 +16.27.8.17.14.17.21.29.14 +25.10.4.28.3.31.19 +16.13.19.11.18.13.17.17 +3.26.32 +5.13.23.4.9 +26.31.16.18.22.13.32.23.9.20 +32.28.1.32.28.10 +15.21.23.30.9.25 +1.20.22.26.2.6.11 +2.1.12.19.29.28.3.31.28.28.10 +14.5.13.19.25.12.32.9.13.16.12 +5.24.24.9.32.26.31 diff --git a/contrib/ltree/expected/ltree.out b/contrib/ltree/expected/ltree.out new file mode 100644 index 0000000000..fb8efaf778 --- /dev/null +++ b/contrib/ltree/expected/ltree.out @@ -0,0 +1,7371 @@ +\set ECHO none +select ''::ltree; + ltree +------- + +(1 row) + +select '1'::ltree; + ltree +------- + 1 +(1 row) + +select '1.2'::ltree; + ltree +------- + 1.2 +(1 row) + +select '1.2._3'::ltree; + ltree +-------- + 1.2._3 +(1 row) + +select subltree('Top.Child1.Child2',1,2); + subltree +---------- + Child1 +(1 row) + +select subpath('Top.Child1.Child2',1,2); + subpath +--------------- + Child1.Child2 +(1 row) + +select subpath('Top.Child1.Child2',-1,1); + subpath +--------- + Child2 +(1 row) + +select subpath('Top.Child1.Child2',0,-2); + subpath +--------- + Top +(1 row) + +select subpath('Top.Child1.Child2',0,-1); + subpath +------------ + Top.Child1 +(1 row) + +select subpath('Top.Child1.Child2',0,0); + subpath +------------------- + Top.Child1.Child2 +(1 row) + +select subpath('Top.Child1.Child2',1,0); + subpath +--------------- + Child1.Child2 +(1 row) + +select subpath('Top.Child1.Child2',0); + subpath +------------------- + Top.Child1.Child2 +(1 row) + +select subpath('Top.Child1.Child2',1); + subpath +--------------- + Child1.Child2 +(1 row) + +select 'Top.Child1.Child2'::ltree || 'Child3'::text; + ?column? +-------------------------- + Top.Child1.Child2.Child3 +(1 row) + +select 'Top.Child1.Child2'::ltree || 'Child3'::ltree; + ?column? +-------------------------- + Top.Child1.Child2.Child3 +(1 row) + +select 'Top_0'::ltree || 'Top.Child1.Child2'::ltree; + ?column? +------------------------- + Top_0.Top.Child1.Child2 +(1 row) + +select 'Top.Child1.Child2'::ltree || ''::ltree; + ?column? +------------------- + Top.Child1.Child2 +(1 row) + +select ''::ltree || 'Top.Child1.Child2'::ltree; + ?column? +------------------- + Top.Child1.Child2 +(1 row) + +select '1'::lquery; + lquery +-------- + 1 +(1 row) + +select '4|3|2'::lquery; + lquery +-------- + 4|3|2 +(1 row) + +select '1.2'::lquery; + lquery +-------- + 1.2 +(1 row) + +select '1.4|3|2'::lquery; + lquery +--------- + 1.4|3|2 +(1 row) + +select '1.0'::lquery; + lquery +-------- + 1.0 +(1 row) + +select '4|3|2.0'::lquery; + lquery +--------- + 4|3|2.0 +(1 row) + +select '1.2.0'::lquery; + lquery +-------- + 1.2.0 +(1 row) + +select '1.4|3|2.0'::lquery; + lquery +----------- + 1.4|3|2.0 +(1 row) + +select '1.*'::lquery; + lquery +-------- + 1.* +(1 row) + +select '4|3|2.*'::lquery; + lquery +--------- + 4|3|2.* +(1 row) + +select '1.2.*'::lquery; + lquery +-------- + 1.2.* +(1 row) + +select '1.4|3|2.*'::lquery; + lquery +----------- + 1.4|3|2.* +(1 row) + +select '*.1.*'::lquery; + lquery +-------- + *.1.* +(1 row) + +select '*.4|3|2.*'::lquery; + lquery +----------- + *.4|3|2.* +(1 row) + +select '*.1.2.*'::lquery; + lquery +--------- + *.1.2.* +(1 row) + +select '*.1.4|3|2.*'::lquery; + lquery +------------- + *.1.4|3|2.* +(1 row) + +select '1.*.4|3|2'::lquery; + lquery +----------- + 1.*.4|3|2 +(1 row) + +select '1.*.4|3|2.0'::lquery; + lquery +------------- + 1.*.4|3|2.0 +(1 row) + +select '1.*.4|3|2.*{1,4}'::lquery; + lquery +------------------ + 1.*.4|3|2.*{1,4} +(1 row) + +select '1.*.4|3|2.*{,4}'::lquery; + lquery +----------------- + 1.*.4|3|2.*{,4} +(1 row) + +select '1.*.4|3|2.*{1,}'::lquery; + lquery +----------------- + 1.*.4|3|2.*{1,} +(1 row) + +select '1.*.4|3|2.*{1}'::lquery; + lquery +---------------- + 1.*.4|3|2.*{1} +(1 row) + +select 'qwerty%@*.tu'::lquery; + lquery +-------------- + qwerty%@*.tu +(1 row) + +select nlevel('1.2.3.4'); + nlevel +-------- + 4 +(1 row) + +select '1.2'::ltree < '2.2'::ltree; + ?column? +---------- + t +(1 row) + +select '1.2'::ltree <= '2.2'::ltree; + ?column? +---------- + t +(1 row) + +select '2.2'::ltree = '2.2'::ltree; + ?column? +---------- + t +(1 row) + +select '3.2'::ltree >= '2.2'::ltree; + ?column? +---------- + t +(1 row) + +select '3.2'::ltree > '2.2'::ltree; + ?column? +---------- + t +(1 row) + +select '1.2.3'::ltree @> '1.2.3.4'::ltree; + ?column? +---------- + t +(1 row) + +select '1.2.3.4'::ltree @> '1.2.3.4'::ltree; + ?column? +---------- + t +(1 row) + +select '1.2.3.4.5'::ltree @> '1.2.3.4'::ltree; + ?column? +---------- + f +(1 row) + +select '1.3.3'::ltree @> '1.2.3.4'::ltree; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.b.c.d.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'A.b.c.d.e'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'A@.b.c.d.e'; + ?column? +---------- + t +(1 row) + +select 'aa.b.c.d.e'::ltree ~ 'A@.b.c.d.e'; + ?column? +---------- + f +(1 row) + +select 'aa.b.c.d.e'::ltree ~ 'A*.b.c.d.e'; + ?column? +---------- + f +(1 row) + +select 'aa.b.c.d.e'::ltree ~ 'A*@.b.c.d.e'; + ?column? +---------- + t +(1 row) + +select 'aa.b.c.d.e'::ltree ~ 'A*@|g.b.c.d.e'; + ?column? +---------- + t +(1 row) + +select 'g.b.c.d.e'::ltree ~ 'A*@|g.b.c.d.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.b.c.d.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.*.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.*{3}.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.*{2}.e'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.*{4}.e'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.*{,4}.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.*{2,}.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.*{2,4}.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.*{2,3}.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.*{2,3}'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.*{2,4}'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.*{2,5}'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*{2,3}.e'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*{2,4}.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*{2,5}.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.e.*'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.d.*'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.a.*.d.*'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.!d.*'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.!d'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '!d.*'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '!a.*'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.!e'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.!e.*'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.*.!e'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.*.!d'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.*.!d.*'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.*.!f.*'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.a.*.!f.*'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.a.*.!d.*'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.a.!d.*'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.a.!d'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.!d.*'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.a.*.!d.*'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.!b.*'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.!b.c.*'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.!b.*.c.*'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ '!b.*.c.*'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '!b.b.*'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '!b.*.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '!b.!c.*.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '!b.*.!c.*.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*{2}.!b.*.!c.*.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*{1}.!b.*.!c.*.e'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*{1}.!b.*{1}.!c.*.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.!b.*{1}.!c.*.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '!b.*{1}.!c.*.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.!b.*{1}.!c.*.e'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.!b.*.!c.*.e'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ '!b.!c.*'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '!b.*.!c.*'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*{2}.!b.*.!c.*'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*{1}.!b.*.!c.*'; + ?column? +---------- + f +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*{1}.!b.*{1}.!c.*'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ 'a.!b.*{1}.!c.*'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '!b.*{1}.!c.*'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.!b.*{1}.!c.*'; + ?column? +---------- + t +(1 row) + +select 'a.b.c.d.e'::ltree ~ '*.!b.*.!c.*'; + ?column? +---------- + f +(1 row) + +select 'QWER_TY'::ltree ~ 'q%@*'; + ?column? +---------- + t +(1 row) + +select 'QWER_TY'::ltree ~ 'Q_t%@*'; + ?column? +---------- + t +(1 row) + +select 'QWER_GY'::ltree ~ 'q_t%@*'; + ?column? +---------- + f +(1 row) + +--ltxtquery +select '!tree & aWdf@*'::ltxtquery; + ltxtquery +---------------- + !tree & aWdf@* +(1 row) + +select 'tree & aw_qw%*'::ltxtquery; + ltxtquery +---------------- + tree & aw_qw%* +(1 row) + +select 'ltree.awdfg'::ltree @ '!tree & aWdf@*'::ltxtquery; + ?column? +---------- + t +(1 row) + +select 'tree.awdfg'::ltree @ '!tree & aWdf@*'::ltxtquery; + ?column? +---------- + f +(1 row) + +select 'tree.awdfg'::ltree @ '!tree | aWdf@*'::ltxtquery; + ?column? +---------- + t +(1 row) + +select 'tree.awdfg'::ltree @ 'tree | aWdf@*'::ltxtquery; + ?column? +---------- + t +(1 row) + +select 'tree.awdfg'::ltree @ 'tree & aWdf@*'::ltxtquery; + ?column? +---------- + t +(1 row) + +select 'tree.awdfg'::ltree @ 'tree & aWdf@'::ltxtquery; + ?column? +---------- + f +(1 row) + +select 'tree.awdfg'::ltree @ 'tree & aWdf*'::ltxtquery; + ?column? +---------- + f +(1 row) + +select 'tree.awdfg'::ltree @ 'tree & aWdf'::ltxtquery; + ?column? +---------- + f +(1 row) + +select 'tree.awdfg'::ltree @ 'tree & awdf*'::ltxtquery; + ?column? +---------- + t +(1 row) + +select 'tree.awdfg'::ltree @ 'tree & aWdfg@'::ltxtquery; + ?column? +---------- + t +(1 row) + +select 'tree.awdfg_qwerty'::ltree @ 'tree & aw_qw%*'::ltxtquery; + ?column? +---------- + t +(1 row) + +select 'tree.awdfg_qwerty'::ltree @ 'tree & aw_rw%*'::ltxtquery; + ?column? +---------- + f +(1 row) + +--arrays +select '{1.2.3}'::ltree[] @> '1.2.3.4'; + ?column? +---------- + t +(1 row) + +select '{1.2.3.4}'::ltree[] @> '1.2.3.4'; + ?column? +---------- + t +(1 row) + +select '{1.2.3.4.5}'::ltree[] @> '1.2.3.4'; + ?column? +---------- + f +(1 row) + +select '{1.3.3}'::ltree[] @> '1.2.3.4'; + ?column? +---------- + f +(1 row) + +select '{5.67.8, 1.2.3}'::ltree[] @> '1.2.3.4'; + ?column? +---------- + t +(1 row) + +select '{5.67.8, 1.2.3.4}'::ltree[] @> '1.2.3.4'; + ?column? +---------- + t +(1 row) + +select '{5.67.8, 1.2.3.4.5}'::ltree[] @> '1.2.3.4'; + ?column? +---------- + f +(1 row) + +select '{5.67.8, 1.3.3}'::ltree[] @> '1.2.3.4'; + ?column? +---------- + f +(1 row) + +select '{1.2.3, 7.12.asd}'::ltree[] @> '1.2.3.4'; + ?column? +---------- + t +(1 row) + +select '{1.2.3.4, 7.12.asd}'::ltree[] @> '1.2.3.4'; + ?column? +---------- + t +(1 row) + +select '{1.2.3.4.5, 7.12.asd}'::ltree[] @> '1.2.3.4'; + ?column? +---------- + f +(1 row) + +select '{1.3.3, 7.12.asd}'::ltree[] @> '1.2.3.4'; + ?column? +---------- + f +(1 row) + +select '{ltree.asd, tree.awdfg}'::ltree[] @ 'tree & aWdfg@'::ltxtquery; + ?column? +---------- + t +(1 row) + +select '{j.k.l.m, g.b.c.d.e}'::ltree[] ~ 'A*@|g.b.c.d.e'; + ?column? +---------- + t +(1 row) + +--exractors +select ('{3456,1.2.3.34}'::ltree[] ?@> '1.2.3.4') is null; + ?column? +---------- + t +(1 row) + +select '{3456,1.2.3}'::ltree[] ?@> '1.2.3.4'; + ?column? +---------- + 1.2.3 +(1 row) + +select '{3456,1.2.3.4}'::ltree[] ?<@ '1.2.3'; + ?column? +---------- + 1.2.3.4 +(1 row) + +select ('{3456,1.2.3.4}'::ltree[] ?<@ '1.2.5') is null; + ?column? +---------- + t +(1 row) + +select '{ltree.asd, tree.awdfg}'::ltree[] ?@ 'tree & aWdfg@'::ltxtquery; + ?column? +------------ + tree.awdfg +(1 row) + +select '{j.k.l.m, g.b.c.d.e}'::ltree[] ?~ 'A*@|g.b.c.d.e'; + ?column? +----------- + g.b.c.d.e +(1 row) + +create table ltreetest (t ltree); +\copy ltreetest from 'data/ltree.data' +select * from ltreetest where t < '12.3' order by t asc; + t +---------------------------------- + + 1 + 1.1 + 1.1.1 + 1.1.1.1 + 1.1.1.2 + 1.1.1.2.1 + 1.1.2 + 1.1.2.1 + 1.1.3 + 1.1.7.32.11.22 + 1.10.21 + 1.10.23.25.5.11 + 1.10.4.18.22.23.24 + 1.10.5.22.13 + 1.11.10.19.6.1.26.17.2.22 + 1.12.25.26.22.8.15.23 + 1.13.16.27.11.16.30.2.9.18.4 + 1.14.3.7.3.17.2.29 + 1.15.17.6.28.25.24.31.27.9 + 1.16.8.18.14.16.21.25.6 + 1.18.29.30.22.14.3.20.15.21.20 + 1.19.22.11.14.7.32.23.19.14 + 1.20.18.25.3.24.25.10.9 + 1.20.22.26.2.6.11 + 1.21.28.4.23 + 1.22.19.24.8.11 + 1.22.29.5.16 + 1.25.7.9.26.17.31.20.13 + 1.26 + 1.26.15.23.5.31.29.11.19.28.1 + 1.27.22.23.2.26.32.17.7.9 + 1.28.19.8.25.6.20.27.29.27 + 1.28.3.22 + 1.29.18.1.21.12.13.27.32.15 + 1.3.15.11.11.25.24.21.19 + 1.30.18.31.12.25.4.19.28.12.15 + 1.30.31.31.20.16.7 + 1.31.3 + 1.4.14.32.14 + 1.8 + 1.9.18.10.1.26.22.16.17 + 10.11.25.2.24.18.18.21.6.26.21 + 10.12.23.22.23.22.20.17.17.9 + 10.12.9.6.6.26.14.8.23.1.25 + 10.13.12.8.4.8.11.30 + 10.13.22.1.8.30.9.24.1.2.1 + 10.15.16.3 + 10.16.18.9.27.2.29.32.24.13 + 10.16.19.7.15 + 10.18.12.27.24.30.32.7.11.5.13 + 10.2.17.26.16.7.19.6.23.3 + 10.20 + 10.22.1 + 10.22.30.16.2.21.17.13 + 10.26.27.23.4.31.11.25.29 + 10.26.30.15.1 + 10.27.7.24.26.11.31.20.29 + 10.28.22.29.13.19.6.7.6.14 + 10.28.7.16.31 + 10.29 + 10.29.26.4.27.17.11 + 10.3 + 10.3.19 + 10.31 + 10.31.25.31.24.16.17 + 10.32.14 + 10.5.23.5.32.9.18.5.30 + 10.5.5.15.29.2 + 10.7.9 + 10.8.20.11.12.23.22 + 11.1 + 11.1.3.28.30.21.24.14 + 11.10 + 11.10.22.18 + 11.11.11.4.23.21.25 + 11.11.9.30.15.29.15.18 + 11.12.6.21 + 11.14.21.24.10.7.29.23.24.28 + 11.15.11.19.29.10 + 11.16.16.28.14 + 11.17.10 + 11.17.17.24.11.23.17.17.18.10.22 + 11.18.4.8.3.13.14.28.18.31 + 11.19.23.3.6.11 + 11.2.27.3 + 11.21.13.9.19 + 11.21.16.27.16 + 11.22.28.8.12.23.25.15.21.28 + 11.29 + 11.3.15.28.22.8.14 + 11.30 + 11.30.20.15.18.32.1.18.25.26.8 + 11.32.18.31 + 11.6.11.29.4.5.24.6.26.12 + 11.7.31.15.22 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12.29.17.2.20.29.1.11.19.8.12 + 12.29.26.18.4.21.28.8.13.3 + 12.3 +(124 rows) + +select * from ltreetest where t = '12.3' order by t asc; + t +------ + 12.3 +(1 row) + +select * from ltreetest where t >= '12.3' order by t asc; + t +---------------------------------- + 12.3 + 12.4.10.17.4.10.23.3 + 12.4.12.13.25.30.30.8.9.12 + 12.4.24.6.1.13.5.20 + 12.4.26.23.25.5.15.7.16 + 12.6.14.23.19.21.9.12 + 12.7.16.8.21.22.2.16.18 + 12.7.28.26.14.21.18.31.5.15.11 + 13.1.6.17.28.9.15.30.1.27.14 + 13.12 + 13.14.13.10.28.26.9.18.27.21 + 13.16.1.27.18.18.19.6.14.4 + 13.16.4.28 + 13.17.7 + 13.19.2.6.23.19.9.7.21.8.16 + 13.24 + 13.25.10.25.8.16 + 13.26.17.3.2.19 + 13.28.12.6 + 13.28.14.2.8.18 + 13.28.9.3 + 13.3.20 + 13.3.8 + 13.30.24 + 13.32.15.32.26.14.32 + 13.7 + 13.8.15.3.7.31.5.10.15.30 + 13.8.20.9.21 + 13.8.23.13.11.18.24.21.11.24.10 + 13.9.9.27.31.11.25.9.27.22.13 + 14.1.11 + 14.1.15.25.27.23.25.26.28.10 + 14.10.11.30.5.7.6.24.9.30.26 + 14.11.25 + 14.12.31 + 14.13.9.13.11.5.5.2.2.32.12 + 14.14.25 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8.17.9.15.21.28.1.7.1.3.6 + 8.2 + 8.2.18.23.5.16.17.1 + 8.21.17.3.6.3.18 + 8.21.8.23.4.18 + 8.22.32.17.16.28.31.23.22.9 + 8.24.11.13.25.19 + 8.25.20.3.15.24.7.4.24.5.30 + 8.26.29.13.7.25.31.28.3.32 + 8.27.3.4.12.26.16 + 8.29.6.3 + 8.3.18.13.30.20.27.26.17.28 + 8.3.3.25.25.15.7.13.21.18 + 8.31.22.27 + 8.32.30.1 + 8.5.24.9.29.32.31.30.13.9.7 + 8.5.30.29.9.31 + 8.6.6.5.8.8.12 + 8.9.21.16.29 + 8.9.22 + 8.9.25.25.26.30.31.31.2.32.7 + 9.10.19.18.15.11.22.32.32.14.9 + 9.10.32 + 9.14.27.31.26.21.25.3.20 + 9.16.2.16.22.24.17.31.14.21.17 + 9.17.13.31.7 + 9.18.23 + 9.18.30.11.29.32.7.19.2 + 9.19.7.13.13.25 + 9.2.10.4 + 9.2.4.27.26 + 9.21.14.19 + 9.21.20.29.1 + 9.21.28.8.12.15.3.13.10.11 + 9.22.10.15.5.15 + 9.23.21.22.5.29.15.21 + 9.26.1.16 + 9.28.10.26.14.26.15.14 + 9.28.24 + 9.28.30.1.6.25.17.9 + 9.3.3 + 9.3.31.18.12.3.9.29.10 + 9.30 + 9.31.23.19.5.10.16.4.30.24.5 + 9.31.4.14.31.10.17.5.2 + 9.5 + 9.5.9.3.23.9.25.14.1.29.28 + 9.6.9.21.6.11.29.13.29.20.32 + 9.7.31.11.8.23 + 9.8.23.2.20.16 + 9.9.13.9.14.27 +(882 rows) + +select * from ltreetest where t @> '1.1.1' order by t asc; + t +------- + + 1 + 1.1 + 1.1.1 +(4 rows) + +select * from ltreetest where t <@ '1.1.1' order by t asc; + t +----------- + 1.1.1 + 1.1.1.1 + 1.1.1.2 + 1.1.1.2.1 +(4 rows) + +select * from ltreetest where t ~ '1.1.1.*' order by t asc; + t +----------- + 1.1.1 + 1.1.1.1 + 1.1.1.2 + 1.1.1.2.1 +(4 rows) + +select * from ltreetest where t ~ '*.1' order by t asc; + t +-------------------------------- + 1 + 10.22.1 + 10.26.30.15.1 + 11.1 + 17.25.2.13.10.27.13.1 + 18.13.6.12.26.26.26.29.18.20.1 + 19.20.25.7.27.28.27.17.9.3.1 + 19.9.32.23.13.24.1 + 20.17.18.21.1 + 20.4.27.31.1 + 21.18.2.1 + 21.23.17.8.23.11.8.1 + 22.30.31.24.23.22.5.20.28.1 + 23.28.1 + 23.3.32.21.5.14.10.17.1 + 25.6.12.16.1 + 29.1 + 29.15.29.8.31.26.1 + 32.31.11.22.1 + 4.7.1 + 6.27.29.14.8.12.26.3.21.4.1 + 8.13.1 + 8.2.18.23.5.16.17.1 + 8.32.30.1 + 9.21.20.29.1 +(25 rows) + +select * from ltreetest where t ~ '23.*.1' order by t asc; + t +------------------------- + 23.28.1 + 23.3.32.21.5.14.10.17.1 +(2 rows) + +select * from ltreetest where t ~ '23.*{1}.1' order by t asc; + t +--------- + 23.28.1 +(1 row) + +select * from ltreetest where t @ '23 & 1' order by t asc; + t +-------------------------------- + 1.10.23.25.5.11 + 1.10.4.18.22.23.24 + 1.12.25.26.22.8.15.23 + 1.19.22.11.14.7.32.23.19.14 + 1.21.28.4.23 + 1.26.15.23.5.31.29.11.19.28.1 + 1.27.22.23.2.26.32.17.7.9 + 10.12.9.6.6.26.14.8.23.1.25 + 12.27.23.32.1.1.9.29.13 + 14.1.15.25.27.23.25.26.28.10 + 14.27.29.23.4.1.17.32.6.25.22 + 15.11.26.1.30.6.23.5 + 19.22.29.32.1.21.26.24.23.17 + 19.9.32.23.13.24.1 + 21.23.17.8.23.11.8.1 + 22.30.31.24.23.22.5.20.28.1 + 23.1.23.18.12.29 + 23.12.1.5.32.25.8.24.1.25 + 23.12.32.22.19.1.22.4 + 23.17.22.1.23.4.29.32.4.1 + 23.17.25.4.1.16.29.10 + 23.19.17.31.29.13.1.12.5.25 + 23.22.10.1.14.24 + 23.28.1 + 23.3.32.21.5.14.10.17.1 + 27.29.1.5.30.6.22.16.23.2.28 + 28.23.2.30.3.8.1.15.15.14.13 + 29.23.1.21.31.8 + 29.23.15.25.1.6.6.10 + 30.23.10.1.10.7.22.28.18.11.17 + 31.30.23.7.7.24.32.10.11.1.31 + 32.1.23.20.14.12.23.5.32.15 + 32.15.20.28.5.1.23.4 + 5.13.23.19.28.26.27.6.1.22 + 6.18.1.4.18.23 + 7.23.1.24.29.13.31.19.23.17.7 + 8.16.1.16.28.6.3.22.6.23 + 8.2.18.23.5.16.17.1 + 9.5.9.3.23.9.25.14.1.29.28 +(39 rows) + +create table _ltreetest (t ltree[]); +\copy _ltreetest from 'data/_ltree.data' +select count(*) from _ltreetest where t @> '1.1.1' ; + count +------- + 15 +(1 row) + +select count(*) from _ltreetest where t <@ '1.1.1' ; + count +------- + 19 +(1 row) + +select count(*) from _ltreetest where t ~ '1.1.1.*' ; + count +------- + 19 +(1 row) + +select count(*) from _ltreetest where t ~ '*.1' ; + count +------- + 83 +(1 row) + +select count(*) from _ltreetest where t ~ '23.*.1' ; + count +------- + 10 +(1 row) + +select count(*) from _ltreetest where t ~ '23.*{1}.1' ; + count +------- + 5 +(1 row) + +select count(*) from _ltreetest where t @ '23 & 1' ; + count +------- + 147 +(1 row) + +create index _tstidx on _ltreetest using gist (t); +set enable_seqscan=off; +select count(*) from _ltreetest where t @> '1.1.1' ; + count +------- + 15 +(1 row) + +select count(*) from _ltreetest where t <@ '1.1.1' ; + count +------- + 19 +(1 row) + +select count(*) from _ltreetest where t ~ '1.1.1.*' ; + count +------- + 19 +(1 row) + +select count(*) from _ltreetest where t ~ '*.1' ; + count +------- + 83 +(1 row) + +select count(*) from _ltreetest where t ~ '23.*.1' ; + count +------- + 10 +(1 row) + +select count(*) from _ltreetest where t ~ '23.*{1}.1' ; + count +------- + 5 +(1 row) + +select count(*) from _ltreetest where t @ '23 & 1' ; + count +------- + 147 +(1 row) + diff --git a/contrib/ltree/lquery_op.c b/contrib/ltree/lquery_op.c new file mode 100644 index 0000000000..83b380d97a --- /dev/null +++ b/contrib/ltree/lquery_op.c @@ -0,0 +1,240 @@ +/* + * op function for ltree and lquery + * Teodor Sigaev + */ + +#include "ltree.h" +#include + +PG_FUNCTION_INFO_V1(ltq_regex); +PG_FUNCTION_INFO_V1(ltq_rregex); + +typedef struct { + lquery_level *q; + int nq; + ltree_level *t; + int nt; + int posq; + int post; +} FieldNot; + +static char * +getlexem(char *start, char *end, int *len) { + char *ptr; + + while( startname + t->len; + char *endq = qn + len; + char *tn; + int lent,lenq; + bool isok; + + while( (qn=getlexem(qn,endq,&lenq)) != NULL ) { + tn=t->name; + isok = false; + while( (tn=getlexem(tn,endt,&lent)) != NULL ) { + if ( + ( + lent == lenq || + ( lent > lenq && anyend ) + ) && + (*cmpptr)(qn,tn,lenq) == 0 ) { + + isok = true; + break; + } + tn += lent; + } + + if ( !isok ) + return false; + qn += lenq; + } + + return true; +} + +static bool +checkLevel( lquery_level *curq, ltree_level *curt ) { + int (*cmpptr)(const char *,const char *,size_t); + lquery_variant *curvar = LQL_FIRST(curq); + int i; + + for(i=0;inumvar;i++) { + cmpptr = ( curvar->flag & LVAR_INCASE ) ? strncasecmp : strncmp; + + if ( curvar->flag & LVAR_SUBLEXEM ) { + if ( compare_subnode(curt, curvar->name, curvar->len, cmpptr, (curvar->flag & LVAR_ANYEND) ) ) + return true; + } else if ( + ( + curvar->len == curt->len || + ( curt->len > curvar->len && (curvar->flag & LVAR_ANYEND) ) + ) && + (*cmpptr)( curvar->name, curt->name, curvar->len) == 0 ) { + + return true; + } + curvar = LVAR_NEXT(curvar); + } + return false; +} + +/* +void +printFieldNot(FieldNot *fn ) { + while(fn->q) { + elog(NOTICE,"posQ:%d lenQ:%d posT:%d lenT:%d", fn->posq,fn->nq,fn->post,fn->nt); + fn++; + } +} +*/ + +static bool +checkCond( lquery_level *curq, int query_numlevel, ltree_level *curt, int tree_numlevel, FieldNot *ptr ) { + uint32 low_pos=0,high_pos=0,cur_tpos=0; + int tlen = tree_numlevel, qlen = query_numlevel; + int isok; + lquery_level *prevq=NULL; + ltree_level *prevt=NULL; + + while( tlen >0 && qlen>0 ) { + if ( curq->numvar ) { + prevt = curt; + while ( cur_tpos < low_pos ) { + curt = LEVEL_NEXT(curt); + tlen--; + cur_tpos++; + if ( tlen==0 ) + return false; + if ( ptr && ptr->q ) + ptr->nt++; + } + + if ( ptr && curq->flag & LQL_NOT ) { + if ( !(prevq && prevq->numvar == 0) ) + prevq = curq; + if ( ptr->q == NULL ) { + ptr->t = prevt; + ptr->q = prevq; + ptr->nt=1; + ptr->nq=1 + ( (prevq==curq) ? 0 : 1 ); + ptr->posq = query_numlevel - qlen - ( (prevq==curq) ? 0 : 1 ); + ptr->post = cur_tpos; + } else { + ptr->nt++; + ptr->nq++; + } + + if ( qlen == 1 && ptr->q->numvar==0 ) + ptr->nt = tree_numlevel - ptr->post; + curt = LEVEL_NEXT(curt); + tlen--; + cur_tpos++; + if ( high_pos < cur_tpos ) + high_pos++; + } else { + isok = false; + while( cur_tpos <= high_pos && tlen > 0 && !isok) { + isok = checkLevel(curq, curt); + curt = LEVEL_NEXT(curt); + tlen--; + cur_tpos++; + if ( !isok && ptr ) + ptr->nt++; + } + if ( !isok ) + return false; + + if (ptr && ptr->q) { + if ( checkCond(ptr->q,ptr->nq,ptr->t,ptr->nt,NULL) ) + return false; + ptr->q = NULL; + } + low_pos=cur_tpos; high_pos=cur_tpos; + } + } else { + low_pos = cur_tpos + curq->low; + high_pos = cur_tpos + curq->high; + if ( ptr && ptr->q ) { + ptr->nq++; + if ( qlen==1 ) + ptr->nt = tree_numlevel - ptr->post; + } + } + + prevq = curq; + curq = LQL_NEXT(curq); + qlen--; + } + + if ( low_pos > tree_numlevel || tree_numlevel > high_pos ) + return false; + + while( qlen>0 ) { + if ( curq->numvar ) { + if ( ! (curq->flag & LQL_NOT) ) + return false; + } else { + low_pos = cur_tpos + curq->low; + high_pos = cur_tpos + curq->high; + } + + curq = LQL_NEXT(curq); + qlen--; + } + + if ( low_pos > tree_numlevel || tree_numlevel > high_pos ) + return false; + + if ( ptr && ptr->q && checkCond(ptr->q,ptr->nq,ptr->t,ptr->nt,NULL) ) + return false; + + return true; +} + +Datum +ltq_regex(PG_FUNCTION_ARGS) { + ltree *tree = PG_GETARG_LTREE(0); + lquery *query = PG_GETARG_LQUERY(1); + bool res= false; + + if ( query->flag & LQUERY_HASNOT ) { + FieldNot fn; + + fn.q=NULL; + + res = checkCond( LQUERY_FIRST(query), query->numlevel, + LTREE_FIRST(tree), tree->numlevel, &fn ); + } else { + res = checkCond( LQUERY_FIRST(query), query->numlevel, + LTREE_FIRST(tree), tree->numlevel, NULL ); + } + + PG_FREE_IF_COPY(tree,0); + PG_FREE_IF_COPY(query,1); + PG_RETURN_BOOL(res); +} + +Datum +ltq_rregex(PG_FUNCTION_ARGS) { + PG_RETURN_DATUM( DirectFunctionCall2( ltq_regex, + PG_GETARG_DATUM(1), + PG_GETARG_DATUM(0) + ) ); +} diff --git a/contrib/ltree/ltree.h b/contrib/ltree/ltree.h new file mode 100644 index 0000000000..750802d093 --- /dev/null +++ b/contrib/ltree/ltree.h @@ -0,0 +1,251 @@ +#ifndef __LTREE_H__ +#define __LTREE_H__ + +#include "postgres.h" +#include "utils/elog.h" +#include "utils/palloc.h" +#include "utils/builtins.h" + +typedef struct { + uint8 len; + char name[1]; +} ltree_level; + +#define LEVEL_HDRSIZE (sizeof(uint8)) +#define LEVEL_NEXT(x) ( (ltree_level*)( ((char*)(x)) + ((ltree_level*)(x))->len + LEVEL_HDRSIZE ) ) + +typedef struct { + int32 len; + uint16 numlevel; + char data[1]; +} ltree; + +#define LTREE_HDRSIZE ( sizeof(int32) + sizeof(uint16) ) +#define LTREE_FIRST(x) ( (ltree_level*)( ((ltree*)(x))->data ) ) + + +/* lquery */ + +typedef struct { + int4 val; + uint8 len; + uint8 flag; + char name[1]; +} lquery_variant; + +#define LVAR_HDRSIZE (sizeof(uint8)*2 + sizeof(int4)) +#define LVAR_NEXT(x) ( (lquery_variant*)( ((char*)(x)) + ((lquery_variant*)(x))->len + LVAR_HDRSIZE ) ) + +#define LVAR_ANYEND 0x01 +#define LVAR_INCASE 0x02 +#define LVAR_SUBLEXEM 0x04 + +typedef struct { + uint16 totallen; + uint16 flag; + uint16 numvar; + uint16 low; + uint16 high; + char variants[1]; +} lquery_level; + +#define LQL_HDRSIZE ( sizeof(uint16)*5 ) +#define LQL_NEXT(x) ( (lquery_level*)( ((char*)(x)) + ((lquery_level*)(x))->totallen ) ) +#define LQL_FIRST(x) ( (lquery_variant*)( ((lquery_level*)(x))->variants ) ) + +#define LQL_NOT 0x10 +#ifdef LOWER_NODE +#define FLG_CANLOOKSIGN(x) ( ( (x) & ( LQL_NOT | LVAR_ANYEND | LVAR_SUBLEXEM ) ) == 0 ) +#else +#define FLG_CANLOOKSIGN(x) ( ( (x) & ( LQL_NOT | LVAR_ANYEND | LVAR_SUBLEXEM | LVAR_INCASE ) ) == 0 ) +#endif +#define LQL_CANLOOKSIGN(x) FLG_CANLOOKSIGN( ((lquery_level*)(x))->flag ) + +typedef struct { + int32 len; + uint16 numlevel; + uint16 firstgood; + uint16 flag; + char data[1]; +} lquery; + +#define LQUERY_HDRSIZE ( sizeof(int32) + 3*sizeof(uint16) ) +#define LQUERY_FIRST(x) ( (lquery_level*)( ((lquery*)(x))->data ) ) + +#define LQUERY_HASNOT 0x01 + +#ifndef max +#define max(a,b) ((a) > (b) ? (a) : (b)) +#endif +#ifndef min +#define min(a,b) ((a) <= (b) ? (a) : (b)) +#endif +#ifndef abs +#define abs(a) ((a) < (0) ? -(a) : (a)) +#endif +#define ISALNUM(x) ( isalnum(x) || (x) == '_' ) + +/* full text query */ + +/* + * item in polish notation with back link + * to left operand + */ +typedef struct ITEM +{ + int2 type; + int2 left; + int4 val; + uint8 flag; + /* user-friendly value */ + uint8 length; + uint16 distance; +} ITEM; + +/* + *Storage: + * (len)(size)(array of ITEM)(array of operand in user-friendly form) + */ +typedef struct +{ + int4 len; + int4 size; + char data[1]; +} ltxtquery; + +#define HDRSIZEQT ( 2*sizeof(int4) ) +#define COMPUTESIZE(size,lenofoperand) ( HDRSIZEQT + size * sizeof(ITEM) + lenofoperand ) +#define GETQUERY(x) (ITEM*)( (char*)(x)+HDRSIZEQT ) +#define GETOPERAND(x) ( (char*)GETQUERY(x) + ((ltxtquery*)x)->size * sizeof(ITEM) ) + +#define ISOPERATOR(x) ( (x)=='!' || (x)=='&' || (x)=='|' || (x)=='(' || (x)==')' ) + +#define END 0 +#define ERR 1 +#define VAL 2 +#define OPR 3 +#define OPEN 4 +#define CLOSE 5 +#define VALTRUE 6 /* for stop words */ +#define VALFALSE 7 + + +/* use in array iterator */ +Datum ltree_isparent(PG_FUNCTION_ARGS); +Datum ltree_risparent(PG_FUNCTION_ARGS); +Datum ltq_regex(PG_FUNCTION_ARGS); +Datum ltq_rregex(PG_FUNCTION_ARGS); +Datum ltxtq_exec(PG_FUNCTION_ARGS); +Datum ltxtq_rexec(PG_FUNCTION_ARGS); +Datum _ltq_regex(PG_FUNCTION_ARGS); +Datum _ltq_rregex(PG_FUNCTION_ARGS); +Datum _ltxtq_exec(PG_FUNCTION_ARGS); +Datum _ltxtq_rexec(PG_FUNCTION_ARGS); +Datum _ltree_isparent(PG_FUNCTION_ARGS); +Datum _ltree_risparent(PG_FUNCTION_ARGS); + +/* Concatenation functions */ +Datum ltree_addltree(PG_FUNCTION_ARGS); +Datum ltree_addtext(PG_FUNCTION_ARGS); +Datum ltree_textadd(PG_FUNCTION_ARGS); + +/* Util function */ +Datum ltree_in(PG_FUNCTION_ARGS); + +bool execute(ITEM * curitem, void *checkval, + bool calcnot, bool (*chkcond) (void *checkval, ITEM * val)); + +int ltree_compare(const ltree *a, const ltree *b); +bool inner_isparent(const ltree *c, const ltree *p); +bool compare_subnode( ltree_level *t, char *q, int len, + int (*cmpptr)(const char *,const char *,size_t), bool anyend ); + +#define PG_GETARG_LTREE(x) ((ltree*)DatumGetPointer(PG_DETOAST_DATUM(PG_GETARG_DATUM(x)))) +#define PG_GETARG_LQUERY(x) ((lquery*)DatumGetPointer(PG_DETOAST_DATUM(PG_GETARG_DATUM(x)))) +#define PG_GETARG_LTXTQUERY(x) ((ltxtquery*)DatumGetPointer(PG_DETOAST_DATUM(PG_GETARG_DATUM(x)))) + +/* GiST support for ltree */ + +#define BITBYTE 8 +#define SIGLENINT 8 +#define SIGLEN ( sizeof(int4)*SIGLENINT ) +#define SIGLENBIT (SIGLEN*BITBYTE) +typedef unsigned char BITVEC[SIGLEN]; +typedef unsigned char *BITVECP; + +#define LOOPBYTE(a) \ + for(i=0;i> i & 0x01 ) +#define CLRBIT(x,i) GETBYTE(x,i) &= ~( 0x01 << ( (i) % BITBYTE ) ) +#define SETBIT(x,i) GETBYTE(x,i) |= ( 0x01 << ( (i) % BITBYTE ) ) +#define GETBIT(x,i) ( (GETBYTE(x,i) >> ( (i) % BITBYTE )) & 0x01 ) + +#define HASHVAL(val) (((unsigned int)(val)) % SIGLENBIT) +#define HASH(sign, val) SETBIT((sign), HASHVAL(val)) + +/* + * type of index key for ltree. Tree are combined B-Tree and R-Tree + * Storage: + * Leaf pages + * (len)(flag)(ltree) + * Non-Leaf + * (len)(flag)(sign)(left_ltree)(right_ltree) + * ALLTRUE: (len)(flag)(left_ltree)(right_ltree) + * + */ + +typedef struct { + int4 len; + uint32 flag; + char data[1]; +} ltree_gist; + +#define LTG_ONENODE 0x01 +#define LTG_ALLTRUE 0x02 +#define LTG_NORIGHT 0x04 + +#define LTG_HDRSIZE ( sizeof(int4) + sizeof(uint32) ) +#define LTG_SIGN(x) ( (BITVECP)( ((ltree_gist*)(x))->data ) ) +#define LTG_NODE(x) ( (ltree*)( ((ltree_gist*)(x))->data ) ) +#define LTG_ISONENODE(x) ( ((ltree_gist*)(x))->flag & LTG_ONENODE ) +#define LTG_ISALLTRUE(x) ( ((ltree_gist*)(x))->flag & LTG_ALLTRUE ) +#define LTG_ISNORIGHT(x) ( ((ltree_gist*)(x))->flag & LTG_NORIGHT ) +#define LTG_LNODE(x) ( (ltree*)( ( (char*)( ((ltree_gist*)(x))->data ) ) + ( LTG_ISALLTRUE(x) ? 0 : SIGLEN ) ) ) +#define LTG_RENODE(x) ( (ltree*)( ((char*)LTG_LNODE(x)) + LTG_LNODE(x)->len ) ) +#define LTG_RNODE(x) ( LTG_ISNORIGHT(x) ? LTG_LNODE(x) : LTG_RENODE(x) ) + +#define LTG_GETLNODE(x) ( LTG_ISONENODE(x) ? LTG_NODE(x) : LTG_LNODE(x) ) +#define LTG_GETRNODE(x) ( LTG_ISONENODE(x) ? LTG_NODE(x) : LTG_RNODE(x) ) + + +/* GiST support for ltree[] */ + +#define ASIGLENINT (2*SIGLENINT) +#define ASIGLEN (sizeof(int4)*ASIGLENINT) +#define ASIGLENBIT (ASIGLEN*BITBYTE) +typedef unsigned char ABITVEC[ASIGLEN]; + +#define ALOOPBYTE(a) \ + for(i=0;i= ( + LEFTARG = ltree, RIGHTARG = ltree, PROCEDURE = ltree_ge, + COMMUTATOR = '<=', NEGATOR = '<', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR > ( + LEFTARG = ltree, RIGHTARG = ltree, PROCEDURE = ltree_gt, + COMMUTATOR = '<', NEGATOR = '<=', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR = ( + LEFTARG = ltree, RIGHTARG = ltree, PROCEDURE = ltree_eq, + COMMUTATOR = '=', NEGATOR = '<>', + RESTRICT = eqsel, JOIN = eqjoinsel, + SORT1 = '<', SORT2 = '<' +); + +CREATE OPERATOR <> ( + LEFTARG = ltree, RIGHTARG = ltree, PROCEDURE = ltree_ne, + COMMUTATOR = '<>', NEGATOR = '=', + RESTRICT = neqsel, JOIN = neqjoinsel +); + +--util functions + +CREATE FUNCTION subltree(ltree,int4,int4) +RETURNS ltree +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE FUNCTION subpath(ltree,int4,int4) +RETURNS ltree +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE FUNCTION subpath(ltree,int4) +RETURNS ltree +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE FUNCTION nlevel(ltree) +RETURNS int4 +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE FUNCTION ltree_isparent(ltree,ltree) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE FUNCTION ltree_risparent(ltree,ltree) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE FUNCTION ltree_addltree(ltree,ltree) +RETURNS ltree +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE FUNCTION ltree_addtext(ltree,text) +RETURNS ltree +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE FUNCTION ltree_textadd(text,ltree) +RETURNS ltree +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE OPERATOR @> ( + LEFTARG = ltree, RIGHTARG = ltree, PROCEDURE = ltree_isparent, + COMMUTATOR = '<@', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR ^@> ( + LEFTARG = ltree, RIGHTARG = ltree, PROCEDURE = ltree_isparent, + COMMUTATOR = '^<@', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR <@ ( + LEFTARG = ltree, RIGHTARG = ltree, PROCEDURE = ltree_risparent, + COMMUTATOR = '@>', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR ^<@ ( + LEFTARG = ltree, RIGHTARG = ltree, PROCEDURE = ltree_risparent, + COMMUTATOR = '^@>', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR || ( + LEFTARG = ltree, RIGHTARG = ltree, PROCEDURE = ltree_addltree +); + +CREATE OPERATOR || ( + LEFTARG = ltree, RIGHTARG = text, PROCEDURE = ltree_addtext +); + +CREATE OPERATOR || ( + LEFTARG = text, RIGHTARG = ltree, PROCEDURE = ltree_textadd +); + + +-- B-tree support +INSERT INTO pg_opclass (opcamid, opcname, opcnamespace, opcowner, opcintype, opcdefault, opckeytype) + VALUES ( + (SELECT oid FROM pg_am WHERE amname = 'btree'), + 'ltree_ops', + (SELECT oid FROM pg_namespace WHERE nspname = 'pg_catalog'), + 1, -- UID of superuser is hardwired to 1 as of PG 7.3 + (SELECT oid FROM pg_type WHERE typname = 'ltree'), + true, + 0); + +SELECT o.oid AS opoid, o.oprname + INTO TEMP TABLE ltree_ops_tmp + FROM pg_operator o, pg_type t + WHERE o.oprleft = t.oid and o.oprright = t.oid + and t.typname = 'ltree'; + +INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr) + SELECT opcl.oid, 1, false, c.opoid + FROM pg_opclass opcl, ltree_ops_tmp c + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'btree') AND + opcname = 'ltree_ops' AND + c.oprname = '<'; + +INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr) + SELECT opcl.oid, 2, false, c.opoid + FROM pg_opclass opcl, ltree_ops_tmp c + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'btree') AND + opcname = 'ltree_ops' AND + c.oprname = '<='; +INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr) + SELECT opcl.oid, 3, false, c.opoid + FROM pg_opclass opcl, ltree_ops_tmp c + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'btree') AND + opcname = 'ltree_ops' AND + c.oprname = '='; + +INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr) + SELECT opcl.oid, 4, false, c.opoid + FROM pg_opclass opcl, ltree_ops_tmp c + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'btree') AND + opcname = 'ltree_ops' AND + c.oprname = '>='; + +INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr) + SELECT opcl.oid, 5, false, c.opoid + FROM pg_opclass opcl, ltree_ops_tmp c + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'btree') AND + opcname = 'ltree_ops' AND + c.oprname = '>'; + +INSERT INTO pg_amproc (amopclaid, amprocnum, amproc) + SELECT opcl.oid, 1, p.oid + FROM pg_opclass opcl, pg_proc p + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'btree') AND + opcname = 'ltree_ops' AND + p.proname = 'ltree_cmp'; + +drop table ltree_ops_tmp; + +--lquery type +CREATE FUNCTION lquery_in(opaque) +RETURNS opaque +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict); + +CREATE FUNCTION lquery_out(opaque) +RETURNS opaque +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict); + +CREATE TYPE lquery ( +internallength = -1, +input = lquery_in, +output = lquery_out, +storage = extended +); + +CREATE FUNCTION ltq_regex(ltree,lquery) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE FUNCTION ltq_rregex(lquery,ltree) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE OPERATOR ~ ( + LEFTARG = ltree, RIGHTARG = lquery, PROCEDURE = ltq_regex, + COMMUTATOR = '~', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR ~ ( + LEFTARG = lquery, RIGHTARG = ltree, PROCEDURE = ltq_rregex, + COMMUTATOR = '~', + RESTRICT = contsel, JOIN = contjoinsel +); + +--not-indexed +CREATE OPERATOR ^~ ( + LEFTARG = ltree, RIGHTARG = lquery, PROCEDURE = ltq_regex, + COMMUTATOR = '^~', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR ^~ ( + LEFTARG = lquery, RIGHTARG = ltree, PROCEDURE = ltq_rregex, + COMMUTATOR = '^~', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE FUNCTION ltxtq_in(opaque) +RETURNS opaque +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict); + +CREATE FUNCTION ltxtq_out(opaque) +RETURNS opaque +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict); + +CREATE TYPE ltxtquery ( +internallength = -1, +input = ltxtq_in, +output = ltxtq_out, +storage = extended +); + +-- operations with ltxtquery + +CREATE FUNCTION ltxtq_exec(ltree, ltxtquery) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict, iscachable); + +CREATE FUNCTION ltxtq_rexec(ltxtquery, ltree) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict, iscachable); + +CREATE OPERATOR @ ( + LEFTARG = ltree, RIGHTARG = ltxtquery, PROCEDURE = ltxtq_exec, + COMMUTATOR = '@', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR @ ( + LEFTARG = ltxtquery, RIGHTARG = ltree, PROCEDURE = ltxtq_rexec, + COMMUTATOR = '@', + RESTRICT = contsel, JOIN = contjoinsel +); + +--not-indexed +CREATE OPERATOR ^@ ( + LEFTARG = ltree, RIGHTARG = ltxtquery, PROCEDURE = ltxtq_exec, + COMMUTATOR = '^@', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR ^@ ( + LEFTARG = ltxtquery, RIGHTARG = ltree, PROCEDURE = ltxtq_rexec, + COMMUTATOR = '^@', + RESTRICT = contsel, JOIN = contjoinsel +); + +--GiST support for ltree +CREATE FUNCTION ltree_gist_in(opaque) +RETURNS opaque +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict); + +CREATE FUNCTION ltree_gist_out(opaque) +RETURNS opaque +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict); + +CREATE TYPE ltree_gist ( + internallength = -1, + input = ltree_gist_in, + output = ltree_gist_out, + storage = plain +); + + +create function ltree_consistent(opaque,opaque,int2) returns bool as 'MODULE_PATHNAME' language 'C'; +create function ltree_compress(opaque) returns opaque as 'MODULE_PATHNAME' language 'C'; +create function ltree_decompress(opaque) returns opaque as 'MODULE_PATHNAME' language 'C'; +create function ltree_penalty(opaque,opaque,opaque) returns opaque as 'MODULE_PATHNAME' language 'C' with(isstrict); +create function ltree_picksplit(opaque, opaque) returns opaque as 'MODULE_PATHNAME' language 'C'; +create function ltree_union(bytea, opaque) returns int4 as 'MODULE_PATHNAME' language 'C'; +create function ltree_same(opaque, opaque, opaque) returns opaque as 'MODULE_PATHNAME' language 'C'; + +INSERT INTO pg_opclass (opcamid, opcname, opcnamespace, opcowner, opcintype, opckeytype, opcdefault) + SELECT pg_am.oid, 'gist_ltree_ops', + (SELECT oid FROM pg_namespace WHERE nspname = 'pg_catalog'), + 1, -- UID of superuser is hardwired to 1 as of PG 7.3 + pg_type.oid, pg_key.oid, true + FROM pg_type, pg_am, pg_type pg_key + WHERE pg_type.typname = 'ltree' and + pg_am.amname='gist' and + pg_key.typname = 'ltree_gist'; + +SELECT o.oid AS opoid, o.oprname +INTO TABLE ltree_ops_tmp +FROM pg_operator o, pg_type t +WHERE o.oprleft = t.oid and o.oprright = t.oid + and t.typname = 'ltree'; + +INSERT INTO pg_amop (amopclaid, amopopr, amopstrategy, amopreqcheck) + SELECT opcl.oid, c.opoid, 1, 'f' + FROM pg_opclass opcl, ltree_ops_tmp c + WHERE opcname = 'gist_ltree_ops' + and c.oprname = '<'; + +INSERT INTO pg_amop (amopclaid, amopopr, amopstrategy, amopreqcheck) + SELECT opcl.oid, c.opoid, 2, 'f' + FROM pg_opclass opcl, ltree_ops_tmp c + WHERE opcname = 'gist_ltree_ops' + and c.oprname = '<='; + +INSERT INTO pg_amop (amopclaid, amopopr, amopstrategy, amopreqcheck) + SELECT opcl.oid, c.opoid, 3, 'f' + FROM pg_opclass opcl, ltree_ops_tmp c + WHERE opcname = 'gist_ltree_ops' + and c.oprname = '='; + +INSERT INTO pg_amop (amopclaid, amopopr, amopstrategy, amopreqcheck) + SELECT opcl.oid, c.opoid, 4, 'f' + FROM pg_opclass opcl, ltree_ops_tmp c + WHERE opcname = 'gist_ltree_ops' + and c.oprname = '>='; + +INSERT INTO pg_amop (amopclaid, amopopr, amopstrategy, amopreqcheck) + SELECT opcl.oid, c.opoid, 5, 'f' + FROM pg_opclass opcl, ltree_ops_tmp c + WHERE opcname = 'gist_ltree_ops' + and c.oprname = '>'; + +INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr) + SELECT opcl.oid, 10, false, c.opoid + FROM pg_opclass opcl, ltree_ops_tmp c + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist_ltree_ops' + and c.oprname = '@>'; + +INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr) + SELECT opcl.oid, 11, false, c.opoid + FROM pg_opclass opcl, ltree_ops_tmp c + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist_ltree_ops' + and c.oprname = '<@'; + +DROP TABLE ltree_ops_tmp; + +INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr) + SELECT opcl.oid, 12, false, o.oid + FROM pg_opclass opcl, pg_operator o, pg_type t, pg_type tq + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist_ltree_ops' + and t.typname = 'ltree' and tq.typname = 'lquery' + and o.oprleft = t.oid and o.oprright = tq.oid + and o.oprname = '~'; + +INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr) + SELECT opcl.oid, 13, false, o.oid + FROM pg_opclass opcl, pg_operator o, pg_type t, pg_type tq + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist_ltree_ops' + and t.typname = 'lquery' and tq.typname = 'ltree' + and o.oprleft = t.oid and o.oprright = tq.oid + and o.oprname = '~'; + +INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr) + SELECT opcl.oid, 14, false, o.oid + FROM pg_opclass opcl, pg_operator o, pg_type t, pg_type tq + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist_ltree_ops' + and t.typname = 'ltree' and tq.typname = 'ltxtquery' + and o.oprleft = t.oid and o.oprright = tq.oid + and o.oprname = '@'; + +INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr) + SELECT opcl.oid, 15, false, o.oid + FROM pg_opclass opcl, pg_operator o, pg_type t, pg_type tq + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist_ltree_ops' + and t.typname = 'ltxtquery' and tq.typname = 'ltree' + and o.oprleft = t.oid and o.oprright = tq.oid + and o.oprname = '@'; + +INSERT INTO pg_amproc (amopclaid, amprocnum, amproc) + SELECT opcl.oid, 1, pro.oid + FROM pg_opclass opcl, pg_proc pro + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist_ltree_ops' + and proname = 'ltree_consistent'; + +INSERT INTO pg_amproc (amopclaid, amprocnum, amproc) + SELECT opcl.oid, 2, pro.oid + FROM pg_opclass opcl, pg_proc pro + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist_ltree_ops' + and proname = 'ltree_union'; + +INSERT INTO pg_amproc (amopclaid, amprocnum, amproc) + SELECT opcl.oid, 3, pro.oid + FROM pg_opclass opcl, pg_proc pro + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist_ltree_ops' + and proname = 'ltree_compress'; +INSERT INTO pg_amproc (amopclaid, amprocnum, amproc) + SELECT opcl.oid, 4, pro.oid + FROM pg_opclass opcl, pg_proc pro + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist_ltree_ops' + and proname = 'ltree_decompress'; + +INSERT INTO pg_amproc (amopclaid, amprocnum, amproc) + SELECT opcl.oid, 5, pro.oid + FROM pg_opclass opcl, pg_proc pro + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist_ltree_ops' + and proname = 'ltree_penalty'; + +INSERT INTO pg_amproc (amopclaid, amprocnum, amproc) + SELECT opcl.oid, 6, pro.oid + FROM pg_opclass opcl, pg_proc pro + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist_ltree_ops' + and proname = 'ltree_picksplit'; + +INSERT INTO pg_amproc (amopclaid, amprocnum, amproc) + SELECT opcl.oid, 7, pro.oid + FROM pg_opclass opcl, pg_proc pro + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist_ltree_ops' + and proname = 'ltree_same'; + +-- arrays of ltree + +CREATE FUNCTION _ltree_isparent(_ltree,ltree) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE FUNCTION _ltree_r_isparent(ltree,_ltree) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE FUNCTION _ltree_risparent(_ltree,ltree) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE FUNCTION _ltree_r_risparent(ltree,_ltree) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE FUNCTION _ltq_regex(_ltree,lquery) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE FUNCTION _ltq_rregex(lquery,_ltree) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE FUNCTION _ltxtq_exec(_ltree, ltxtquery) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict, iscachable); + +CREATE FUNCTION _ltxtq_rexec(ltxtquery, _ltree) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict, iscachable); + +CREATE OPERATOR @> ( + LEFTARG = _ltree, RIGHTARG = ltree, PROCEDURE = _ltree_isparent, + COMMUTATOR = '<@', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR <@ ( + LEFTARG = ltree, RIGHTARG = _ltree, PROCEDURE = _ltree_r_isparent, + COMMUTATOR = '@>', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR <@ ( + LEFTARG = _ltree, RIGHTARG = ltree, PROCEDURE = _ltree_risparent, + COMMUTATOR = '@>', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR @> ( + LEFTARG = ltree, RIGHTARG = _ltree, PROCEDURE = _ltree_r_risparent, + COMMUTATOR = '<@', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR ~ ( + LEFTARG = _ltree, RIGHTARG = lquery, PROCEDURE = _ltq_regex, + COMMUTATOR = '~', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR ~ ( + LEFTARG = lquery, RIGHTARG = _ltree, PROCEDURE = _ltq_rregex, + COMMUTATOR = '~', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR @ ( + LEFTARG = _ltree, RIGHTARG = ltxtquery, PROCEDURE = _ltxtq_exec, + COMMUTATOR = '@', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR @ ( + LEFTARG = ltxtquery, RIGHTARG = _ltree, PROCEDURE = _ltxtq_rexec, + COMMUTATOR = '@', + RESTRICT = contsel, JOIN = contjoinsel +); + + +--not indexed +CREATE OPERATOR ^@> ( + LEFTARG = _ltree, RIGHTARG = ltree, PROCEDURE = _ltree_isparent, + COMMUTATOR = '^<@', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR ^<@ ( + LEFTARG = ltree, RIGHTARG = _ltree, PROCEDURE = _ltree_r_isparent, + COMMUTATOR = '^@>', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR ^<@ ( + LEFTARG = _ltree, RIGHTARG = ltree, PROCEDURE = _ltree_risparent, + COMMUTATOR = '^@>', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR ^@> ( + LEFTARG = ltree, RIGHTARG = _ltree, PROCEDURE = _ltree_r_risparent, + COMMUTATOR = '^<@', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR ^~ ( + LEFTARG = _ltree, RIGHTARG = lquery, PROCEDURE = _ltq_regex, + COMMUTATOR = '^~', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR ^~ ( + LEFTARG = lquery, RIGHTARG = _ltree, PROCEDURE = _ltq_rregex, + COMMUTATOR = '^~', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR ^@ ( + LEFTARG = _ltree, RIGHTARG = ltxtquery, PROCEDURE = _ltxtq_exec, + COMMUTATOR = '^@', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR ^@ ( + LEFTARG = ltxtquery, RIGHTARG = _ltree, PROCEDURE = _ltxtq_rexec, + COMMUTATOR = '^@', + RESTRICT = contsel, JOIN = contjoinsel +); + +--extractors +CREATE FUNCTION _ltree_extract_isparent(_ltree,ltree) +RETURNS ltree +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE OPERATOR ?@> ( + LEFTARG = _ltree, RIGHTARG = ltree, PROCEDURE = _ltree_extract_isparent +); + +CREATE FUNCTION _ltree_extract_risparent(_ltree,ltree) +RETURNS ltree +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE OPERATOR ?<@ ( + LEFTARG = _ltree, RIGHTARG = ltree, PROCEDURE = _ltree_extract_risparent +); + +CREATE FUNCTION _ltq_extract_regex(_ltree,lquery) +RETURNS ltree +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE OPERATOR ?~ ( + LEFTARG = _ltree, RIGHTARG = lquery, PROCEDURE = _ltq_extract_regex +); + +CREATE FUNCTION _ltxtq_extract_exec(_ltree,ltxtquery) +RETURNS ltree +AS 'MODULE_PATHNAME' +LANGUAGE 'c' with (isstrict,iscachable); + +CREATE OPERATOR ?@ ( + LEFTARG = _ltree, RIGHTARG = ltxtquery, PROCEDURE = _ltxtq_extract_exec +); + +--GiST support for ltree[] +create function _ltree_consistent(opaque,opaque,int2) returns bool as 'MODULE_PATHNAME' language 'C'; +create function _ltree_compress(opaque) returns opaque as 'MODULE_PATHNAME' language 'C'; +create function _ltree_penalty(opaque,opaque,opaque) returns opaque as 'MODULE_PATHNAME' language 'C' with(isstrict); +create function _ltree_picksplit(opaque, opaque) returns opaque as 'MODULE_PATHNAME' language 'C'; +create function _ltree_union(bytea, opaque) returns int4 as 'MODULE_PATHNAME' language 'C'; +create function _ltree_same(opaque, opaque, opaque) returns opaque as 'MODULE_PATHNAME' language 'C'; + +INSERT INTO pg_opclass (opcamid, opcname, opcnamespace, opcowner, opcintype, opckeytype, opcdefault) + SELECT pg_am.oid, 'gist__ltree_ops', + (SELECT oid FROM pg_namespace WHERE nspname = 'pg_catalog'), + 1, -- UID of superuser is hardwired to 1 as of PG 7.3 + pg_type.oid, pg_key.oid, true + FROM pg_type, pg_am, pg_type pg_key + WHERE pg_type.typname = '_ltree' and + pg_am.amname='gist' and + pg_key.typname = 'ltree_gist'; + +INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr) + SELECT opcl.oid, 12, true, o.oid + FROM pg_opclass opcl, pg_operator o, pg_type t, pg_type tq + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist__ltree_ops' + and t.typname = '_ltree' and tq.typname = 'lquery' + and o.oprleft = t.oid and o.oprright = tq.oid + and o.oprname = '~'; + +INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr) + SELECT opcl.oid, 13, true, o.oid + FROM pg_opclass opcl, pg_operator o, pg_type t, pg_type tq + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist__ltree_ops' + and t.typname = 'lquery' and tq.typname = '_ltree' + and o.oprleft = t.oid and o.oprright = tq.oid + and o.oprname = '~'; + +INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr) + SELECT opcl.oid, 14, true, o.oid + FROM pg_opclass opcl, pg_operator o, pg_type t, pg_type tq + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist__ltree_ops' + and t.typname = '_ltree' and tq.typname = 'ltxtquery' + and o.oprleft = t.oid and o.oprright = tq.oid + and o.oprname = '@'; + +INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr) + SELECT opcl.oid, 15, true, o.oid + FROM pg_opclass opcl, pg_operator o, pg_type t, pg_type tq + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist__ltree_ops' + and t.typname = 'ltxtquery' and tq.typname = '_ltree' + and o.oprleft = t.oid and o.oprright = tq.oid + and o.oprname = '@'; + +INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr) + SELECT opcl.oid, 10, true, o.oid + FROM pg_opclass opcl, pg_operator o, pg_type t, pg_type tq + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist__ltree_ops' + and t.typname = '_ltree' and tq.typname = 'ltree' + and o.oprleft = t.oid and o.oprright = tq.oid + and o.oprname = '<@'; + +INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr) + SELECT opcl.oid, 11, true, o.oid + FROM pg_opclass opcl, pg_operator o, pg_type t, pg_type tq + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist__ltree_ops' + and t.typname = 'ltree' and tq.typname = '_ltree' + and o.oprleft = t.oid and o.oprright = tq.oid + and o.oprname = '@>'; + +INSERT INTO pg_amproc (amopclaid, amprocnum, amproc) + SELECT opcl.oid, 1, pro.oid + FROM pg_opclass opcl, pg_proc pro + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist__ltree_ops' + and proname = '_ltree_consistent'; + +INSERT INTO pg_amproc (amopclaid, amprocnum, amproc) + SELECT opcl.oid, 2, pro.oid + FROM pg_opclass opcl, pg_proc pro + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist__ltree_ops' + and proname = '_ltree_union'; + +INSERT INTO pg_amproc (amopclaid, amprocnum, amproc) + SELECT opcl.oid, 3, pro.oid + FROM pg_opclass opcl, pg_proc pro + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist__ltree_ops' + and proname = '_ltree_compress'; + +INSERT INTO pg_amproc (amopclaid, amprocnum, amproc) + SELECT opcl.oid, 4, pro.oid + FROM pg_opclass opcl, pg_proc pro + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist__ltree_ops' + and proname = 'ltree_decompress'; + +INSERT INTO pg_amproc (amopclaid, amprocnum, amproc) + SELECT opcl.oid, 5, pro.oid + FROM pg_opclass opcl, pg_proc pro + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist__ltree_ops' + and proname = '_ltree_penalty'; + +INSERT INTO pg_amproc (amopclaid, amprocnum, amproc) + SELECT opcl.oid, 6, pro.oid + FROM pg_opclass opcl, pg_proc pro + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist__ltree_ops' + and proname = '_ltree_picksplit'; + +INSERT INTO pg_amproc (amopclaid, amprocnum, amproc) + SELECT opcl.oid, 7, pro.oid + FROM pg_opclass opcl, pg_proc pro + WHERE + opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist') + and opcname = 'gist__ltree_ops' + and proname = '_ltree_same'; + +END; diff --git a/contrib/ltree/ltree_gist.c b/contrib/ltree/ltree_gist.c new file mode 100644 index 0000000000..024fd6acbe --- /dev/null +++ b/contrib/ltree/ltree_gist.c @@ -0,0 +1,600 @@ +/* + * GiST support for ltree + * Teodor Sigaev + */ + +#include "ltree.h" +#include "access/gist.h" +#include "access/rtree.h" +#include "access/nbtree.h" + +#include "crc32.h" + +PG_FUNCTION_INFO_V1( ltree_gist_in ); +Datum ltree_gist_in(PG_FUNCTION_ARGS); +PG_FUNCTION_INFO_V1( ltree_gist_out ); +Datum ltree_gist_out(PG_FUNCTION_ARGS); + +Datum +ltree_gist_in(PG_FUNCTION_ARGS) { + elog(ERROR,"Unimplemented"); + PG_RETURN_DATUM(0); +} + +Datum +ltree_gist_out(PG_FUNCTION_ARGS) { + elog(ERROR,"Unimplemented"); + PG_RETURN_DATUM(0); +} + +PG_FUNCTION_INFO_V1( ltree_compress ); +Datum ltree_compress(PG_FUNCTION_ARGS); +PG_FUNCTION_INFO_V1( ltree_decompress ); +Datum ltree_decompress(PG_FUNCTION_ARGS); +PG_FUNCTION_INFO_V1( ltree_same ); +Datum ltree_same(PG_FUNCTION_ARGS); +PG_FUNCTION_INFO_V1( ltree_union ); +Datum ltree_union(PG_FUNCTION_ARGS); +PG_FUNCTION_INFO_V1( ltree_penalty ); +Datum ltree_penalty(PG_FUNCTION_ARGS); +PG_FUNCTION_INFO_V1( ltree_picksplit ); +Datum ltree_picksplit(PG_FUNCTION_ARGS); +PG_FUNCTION_INFO_V1( ltree_consistent ); +Datum ltree_consistent(PG_FUNCTION_ARGS); + +#define ISEQ(a,b) ( (a)->numlevel == (b)->numlevel && ltree_compare(a,b)==0 ) +#define GETENTRY(vec,pos) ((ltree_gist *) DatumGetPointer(((GISTENTRY *) VARDATA(vec))[(pos)].key)) + +Datum +ltree_compress(PG_FUNCTION_ARGS) { + GISTENTRY *entry = (GISTENTRY *)PG_GETARG_POINTER(0); + GISTENTRY *retval = entry; + + if ( entry->leafkey ) { /* ltree */ + ltree_gist *key; + ltree *val = (ltree*)DatumGetPointer(PG_DETOAST_DATUM(entry->key)); + int4 len = LTG_HDRSIZE + val->len; + + key = (ltree_gist*)palloc( len ); + key->len = len; + key->flag = LTG_ONENODE; + memcpy( (void*)LTG_NODE(key), (void*)val, val->len); + + if ( PointerGetDatum(val) != entry->key ) + pfree(val); + + retval = (GISTENTRY*)palloc( sizeof(GISTENTRY) ); + gistentryinit(*retval, PointerGetDatum(key), + entry->rel, entry->page, + entry->offset, key->len, FALSE); + } + PG_RETURN_POINTER(retval); +} + +Datum +ltree_decompress(PG_FUNCTION_ARGS) { + GISTENTRY *entry = (GISTENTRY *)PG_GETARG_POINTER(0); + ltree_gist *key = (ltree_gist*)DatumGetPointer( PG_DETOAST_DATUM(entry->key) ); + + if ( PointerGetDatum(key) != entry->key ) { + GISTENTRY *retval = (GISTENTRY*)palloc(sizeof(GISTENTRY)); + gistentryinit(*retval, PointerGetDatum(key), + entry->rel, entry->page, + entry->offset, key->len, FALSE); + PG_RETURN_POINTER(retval); + } + PG_RETURN_POINTER(entry); +} + +Datum +ltree_same(PG_FUNCTION_ARGS) { + ltree_gist* a=(ltree_gist*)PG_GETARG_POINTER(0); + ltree_gist* b=(ltree_gist*)PG_GETARG_POINTER(1); + bool *result = (bool *)PG_GETARG_POINTER(2); + + *result = false; + if ( LTG_ISONENODE(a) != LTG_ISONENODE(b) ) + PG_RETURN_POINTER(result); + + if ( LTG_ISONENODE(a) ) { + *result = ( ISEQ(LTG_NODE(a), LTG_NODE(b)) ) ? true : false; + } else { + int4 i; + BITVECP sa=LTG_SIGN(a), sb=LTG_SIGN(b); + + if ( LTG_ISALLTRUE(a) != LTG_ISALLTRUE(b) ) + PG_RETURN_POINTER(result); + + if ( !ISEQ(LTG_LNODE(a), LTG_LNODE(b)) ) + PG_RETURN_POINTER(result); + if ( !ISEQ(LTG_RNODE(a), LTG_RNODE(b)) ) + PG_RETURN_POINTER(result); + + *result = true; + if ( !LTG_ISALLTRUE(a) ) + LOOPBYTE( + if ( sa[i] != sb[i] ) { + *result = false; + break; + } + ); + } + + PG_RETURN_POINTER(result); +} + +static void +hashing(BITVECP sign, ltree *t) { + int tlen = t->numlevel; + ltree_level *cur = LTREE_FIRST(t); + int hash; + + while(tlen > 0) { + hash = crc32_sz( cur->name, cur->len ); + HASH( sign, hash ); + cur = LEVEL_NEXT(cur); + tlen--; + } +} + +Datum +ltree_union(PG_FUNCTION_ARGS) { + bytea *entryvec = (bytea *) PG_GETARG_POINTER(0); + int *size = (int *) PG_GETARG_POINTER(1); + BITVEC base; + int4 len = (VARSIZE(entryvec) - VARHDRSZ) / sizeof(GISTENTRY); + int4 i,j; + ltree_gist *result,*cur; + ltree *left=NULL, *right=NULL, *curtree; + bool isalltrue = false; + bool isleqr; + + MemSet( (void*)base, 0, sizeof(BITVEC) ); + for(j=0;j 0 ) + left = curtree; + if ( !right || ltree_compare( right, curtree ) < 0 ) + right = curtree; + } else { + if ( isalltrue || LTG_ISALLTRUE(cur) ) + isalltrue = true; + else { + BITVECP sc=LTG_SIGN(cur); + LOOPBYTE( + ((unsigned char*)base)[i] |= sc[i]; + ); + } + + curtree = LTG_LNODE(cur); + if ( !left || ltree_compare( left, curtree ) > 0 ) + left = curtree; + curtree = LTG_RNODE(cur); + if ( !right || ltree_compare( right, curtree ) < 0 ) + right = curtree; + } + } + + if ( isalltrue == false ) { + isalltrue = true; + LOOPBYTE( + if ( ((unsigned char*)base)[i] != 0xff ) { + isalltrue = false; + break; + } + ); + } + + isleqr = ( left==right || ISEQ(left,right) ) ? true : false; + *size = LTG_HDRSIZE + ( (isalltrue) ? 0 : SIGLEN ) + left->len + ( (isleqr) ? 0 : right->len ); + + result = (ltree_gist*)palloc( *size ); + result->len = *size; + result->flag = 0; + + if ( isalltrue ) + result->flag |= LTG_ALLTRUE; + else + memcpy( (void*)LTG_SIGN(result), base, SIGLEN ); + + memcpy( (void*)LTG_LNODE(result), (void*)left, left->len ); + if ( isleqr ) + result->flag |= LTG_NORIGHT; + else + memcpy( (void*)LTG_RNODE(result), (void*)right, right->len ); + + PG_RETURN_POINTER(result); +} + +Datum +ltree_penalty(PG_FUNCTION_ARGS) { + ltree_gist *origval = (ltree_gist*)DatumGetPointer( ( (GISTENTRY *)PG_GETARG_POINTER(0) )->key ); + ltree_gist *newval = (ltree_gist*)DatumGetPointer( ( (GISTENTRY *)PG_GETARG_POINTER(1) )->key ); + float *penalty = (float *) PG_GETARG_POINTER(2); + int4 cmpr,cmpl; + + cmpl = ltree_compare( LTG_GETLNODE(origval), LTG_GETLNODE(newval) ); + cmpr = ltree_compare( LTG_GETRNODE(newval), LTG_GETRNODE(origval)); + + *penalty = max( cmpl, 0 ) + max( cmpr, 0 ); + + PG_RETURN_POINTER(penalty); +} + +/* used for sorting */ +typedef struct rix { + int index; + ltree *r; +} RIX; + +static int +treekey_cmp(const void *a, const void *b) { + return ltree_compare( + ((RIX *) a)->r, + ((RIX *) b)->r + ); +} + + +Datum +ltree_picksplit(PG_FUNCTION_ARGS) { + bytea *entryvec = (bytea*) PG_GETARG_POINTER(0); + GIST_SPLITVEC *v = (GIST_SPLITVEC*) PG_GETARG_POINTER(1); + OffsetNumber j; + int4 i; + RIX *array; + OffsetNumber maxoff; + int nbytes; + int size; + ltree *lu_l,*lu_r, *ru_l, *ru_r; + ltree_gist *lu, *ru; + BITVEC ls,rs; + bool lisat=false, risat=false, isleqr; + + memset( (void*)ls,0,sizeof(BITVEC) ); + memset( (void*)rs,0,sizeof(BITVEC) ); + maxoff = ((VARSIZE(entryvec) - VARHDRSZ) / sizeof(GISTENTRY)) - 1; + nbytes = (maxoff + 2) * sizeof(OffsetNumber); + v->spl_left = (OffsetNumber *) palloc(nbytes); + v->spl_right = (OffsetNumber *) palloc(nbytes); + v->spl_nleft = 0; + v->spl_nright = 0; + array = (RIX *) palloc(sizeof(RIX) * (maxoff + 1)); + + /* copy the data into RIXes, and sort the RIXes */ + for (j = FirstOffsetNumber; j <= maxoff; j = OffsetNumberNext(j)) { + array[j].index = j; + lu = GETENTRY( entryvec, j ); /* use as tmp val */ + array[j].r = LTG_GETLNODE(lu); + } + + qsort((void *) &array[FirstOffsetNumber], maxoff - FirstOffsetNumber + 1, + sizeof(RIX), treekey_cmp); + + lu_l = lu_r = ru_l = ru_r = NULL; + for (j = FirstOffsetNumber; j <= maxoff; j = OffsetNumberNext(j)) { + lu = GETENTRY( entryvec, array[j].index ); /* use as tmp val */ + if (j <= (maxoff - FirstOffsetNumber + 1) / 2) { + v->spl_left[v->spl_nleft] = array[j].index; + v->spl_nleft++; + if ( lu_r==NULL || ltree_compare( LTG_GETRNODE(lu), lu_r ) > 0 ) + lu_r = LTG_GETRNODE(lu); + if ( LTG_ISONENODE(lu) ) + hashing(ls,LTG_NODE(lu)); + else { + if ( lisat || LTG_ISALLTRUE(lu) ) + lisat = true; + else { + BITVECP sc=LTG_SIGN(lu); + LOOPBYTE( + ((unsigned char*)ls)[i] |= sc[i]; + ); + } + } + } else { + v->spl_right[v->spl_nright] = array[j].index; + v->spl_nright++; + if ( ru_r==NULL || ltree_compare( LTG_GETRNODE(lu), ru_r ) > 0 ) + ru_r = LTG_GETRNODE(lu); + if ( LTG_ISONENODE(lu) ) + hashing(rs,LTG_NODE(lu)); + else { + if ( risat || LTG_ISALLTRUE(lu) ) + risat = true; + else { + BITVECP sc=LTG_SIGN(lu); + LOOPBYTE( + ((unsigned char*)rs)[i] |= sc[i]; + ); + } + } + } + } + + if ( lisat == false ) { + lisat = true; + LOOPBYTE( + if ( ((unsigned char*)ls)[i] != 0xff ) { + lisat = false; + break; + } + ); + } + + if ( risat == false ) { + risat = true; + LOOPBYTE( + if ( ((unsigned char*)rs)[i] != 0xff ) { + risat = false; + break; + } + ); + } + + lu_l = LTG_GETLNODE( GETENTRY( entryvec, array[FirstOffsetNumber].index ) ); + isleqr = ( lu_l==lu_r || ISEQ(lu_l,lu_r) ) ? true : false; + size = LTG_HDRSIZE + ( (lisat) ? 0 : SIGLEN ) + lu_l->len + ( (isleqr) ? 0 : lu_r->len ); + lu = (ltree_gist*)palloc( size ); + lu->len = size; + lu->flag = 0; + if ( lisat ) + lu->flag |= LTG_ALLTRUE; + else + memcpy( (void*)LTG_SIGN(lu), ls, SIGLEN ); + memcpy( (void*)LTG_LNODE(lu), (void*)lu_l, lu_l->len ); + if ( isleqr ) + lu->flag |= LTG_NORIGHT; + else + memcpy( (void*)LTG_RNODE(lu), (void*)lu_r, lu_r->len ); + + + ru_l = LTG_GETLNODE( GETENTRY( entryvec, array[ 1 + ((maxoff - FirstOffsetNumber + 1) / 2) ].index ) ); + isleqr = ( ru_l==ru_r || ISEQ(ru_l,ru_r) ) ? true : false; + size = LTG_HDRSIZE + ( (risat) ? 0 : SIGLEN ) + ru_l->len + ( (isleqr) ? 0 : ru_r->len ); + ru = (ltree_gist*)palloc( size ); + ru->len = size; + ru->flag = 0; + if ( risat ) + ru->flag |= LTG_ALLTRUE; + else + memcpy( (void*)LTG_SIGN(ru), rs, SIGLEN ); + memcpy( (void*)LTG_LNODE(ru), (void*)ru_l, ru_l->len ); + if ( isleqr ) + ru->flag |= LTG_NORIGHT; + else + memcpy( (void*)LTG_RNODE(ru), (void*)ru_r, ru_r->len ); + + pfree(array); + v->spl_ldatum = PointerGetDatum(lu); + v->spl_rdatum = PointerGetDatum(ru); + + PG_RETURN_POINTER(v); +} + +static bool +gist_isparent(ltree_gist *key, ltree *query) { + int4 numlevel = query->numlevel; + int i; + + for(i=query->numlevel;i>=0;i--) { + query->numlevel=i; + if ( ltree_compare(query,LTG_GETLNODE(key)) >=0 && ltree_compare(query,LTG_GETRNODE(key)) <= 0 ) { + query->numlevel = numlevel; + return true; + } + } + + query->numlevel = numlevel; + return false; +} + +static bool +gist_ischild(ltree_gist *key, ltree *query) { + ltree *left = LTG_GETLNODE(key); + ltree *right = LTG_GETRNODE(key); + int4 numlevelL = left->numlevel; + int4 numlevelR = right->numlevel; + bool res = true; + + if ( numlevelL > query->numlevel ) + left->numlevel = query->numlevel; + + if ( ltree_compare(query,left) < 0 ) + res = false; + + if ( numlevelR > query->numlevel ) + right->numlevel = query->numlevel; + + if ( res && ltree_compare(query,right) > 0 ) + res = false; + + left->numlevel = numlevelL; + right->numlevel = numlevelR; + return res; +} + +static bool +gist_qe(ltree_gist *key, lquery* query) { + lquery_level *curq = LQUERY_FIRST(query); + BITVECP sign = LTG_SIGN(key); + int qlen = query->numlevel; + + if ( LTG_ISALLTRUE(key) ) + return true; + + while( qlen>0 ) { + if ( curq->numvar && LQL_CANLOOKSIGN(curq) ) { + bool isexist=false; + int vlen = curq->numvar; + lquery_variant *curv = LQL_FIRST(curq); + while( vlen>0 ) { + if ( GETBIT( sign, HASHVAL( curv->val ) ) ) { + isexist=true; + break; + } + curv = LVAR_NEXT(curv); + vlen--; + } + if ( !isexist ) + return false; + } + + curq = LQL_NEXT(curq); + qlen--; + } + + return true; +} + +static int +gist_tqcmp(ltree* t, lquery* q) { + ltree_level *al = LTREE_FIRST(t); + lquery_level *ql = LQUERY_FIRST(q); + lquery_variant *bl; + int an = t->numlevel; + int bn = q->firstgood; + int res = 0; + + while( an>0 && bn>0 ) { + bl = LQL_FIRST(ql); + if ( (res = strncmp( al->name, bl->name, min(al->len, bl->len))) == 0 ) { + if ( al->len != bl->len ) + return al->len - bl->len; + } else + return res; + an--; bn--; + al = LEVEL_NEXT(al); + ql = LQL_NEXT(ql); + } + + return t->numlevel - q->firstgood; +} + +static bool +gist_between(ltree_gist *key, lquery* query) { + ltree *left = LTG_GETLNODE(key); + ltree *right = LTG_GETRNODE(key); + int4 numlevelL = left->numlevel; + int4 numlevelR = right->numlevel; + bool res = true; + + if ( query->firstgood == 0 ) + return true; + + if ( numlevelL > query->firstgood ) + left->numlevel = query->firstgood; + + if ( gist_tqcmp(left,query) > 0 ) + res = false; + + if ( numlevelR > query->firstgood ) + right->numlevel = query->firstgood; + + if ( res && gist_tqcmp(right,query) < 0 ) + res = false; + + left->numlevel = numlevelL; + right->numlevel = numlevelR; + return res; +} + +static bool +checkcondition_bit(void *checkval, ITEM* val ) { + return ( FLG_CANLOOKSIGN(val->flag) ) ? GETBIT( checkval, HASHVAL( val->val ) ) : true; +} + +static bool +gist_qtxt(ltree_gist *key, ltxtquery* query) { + if ( LTG_ISALLTRUE(key) ) + return true; + + return execute( + GETQUERY(query), + (void*)LTG_SIGN(key), false, + checkcondition_bit + ); +} + + +Datum +ltree_consistent(PG_FUNCTION_ARGS) { + GISTENTRY *entry = (GISTENTRY*)PG_GETARG_POINTER(0); + char *query = (char*)DatumGetPointer( PG_DETOAST_DATUM(PG_GETARG_DATUM(1)) ); + ltree_gist *key = (ltree_gist*)DatumGetPointer( entry->key ); + StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2); + bool res = false; + +#ifndef assert_enabled +#define assert_enabled 0 +#endif + + switch( strategy ) { + case BTLessStrategyNumber: + res = ( GIST_LEAF( entry ) ) ? + ( ltree_compare((ltree*)query,LTG_NODE(key)) > 0 ) + : + ( ltree_compare((ltree*)query,LTG_GETLNODE(key)) >= 0 ); + break; + case BTLessEqualStrategyNumber: + res = ( ltree_compare((ltree*)query,LTG_GETLNODE(key)) >= 0 ); + break; + case BTEqualStrategyNumber: + if ( GIST_LEAF( entry ) ) + res = ( ltree_compare((ltree*)query,LTG_NODE(key)) == 0 ); + else + res = ( + ltree_compare((ltree*)query,LTG_GETLNODE(key)) >= 0 + && + ltree_compare((ltree*)query,LTG_GETRNODE(key)) <= 0 + ); + break; + case BTGreaterEqualStrategyNumber: + res = ( ltree_compare((ltree*)query,LTG_GETRNODE(key)) <= 0 ); + break; + case BTGreaterStrategyNumber: + res = ( GIST_LEAF( entry ) ) ? + ( ltree_compare((ltree*)query,LTG_GETRNODE(key)) < 0 ) + : + ( ltree_compare((ltree*)query,LTG_GETRNODE(key)) <= 0 ); + break; + case 10: + res = ( GIST_LEAF( entry ) ) ? + inner_isparent( (ltree*)query, LTG_NODE(key) ) + : + gist_isparent( key, (ltree*)query); + break; + case 11: + res = ( GIST_LEAF( entry ) ) ? + inner_isparent( LTG_NODE(key), (ltree*)query) + : + gist_ischild( key, (ltree*)query); + break; + case 12: + case 13: + if ( GIST_LEAF( entry ) ) + res = DatumGetBool( DirectFunctionCall2( ltq_regex, + PointerGetDatum( LTG_NODE(key) ), + PointerGetDatum( (lquery*)query ) + ) ); + else + res = ( gist_qe(key, (lquery*)query) && gist_between(key, (lquery*)query) ); + break; + case 14: + case 15: + if ( GIST_LEAF( entry ) ) + res = DatumGetBool( DirectFunctionCall2( ltxtq_exec, + PointerGetDatum( LTG_NODE(key) ), + PointerGetDatum( (lquery*)query ) + ) ); + else + res = gist_qtxt(key, (ltxtquery*)query); + break; + default: + elog(ERROR,"Unknown StrategyNumber: %d", strategy); + } + PG_RETURN_BOOL(res); +} + diff --git a/contrib/ltree/ltree_io.c b/contrib/ltree/ltree_io.c new file mode 100644 index 0000000000..845e61eaa7 --- /dev/null +++ b/contrib/ltree/ltree_io.c @@ -0,0 +1,433 @@ +/* + * in/out function for ltree and lquery + * Teodor Sigaev + */ + +#include "ltree.h" +#include +#include "crc32.h" + +PG_FUNCTION_INFO_V1(ltree_in); +Datum ltree_in(PG_FUNCTION_ARGS); +PG_FUNCTION_INFO_V1(ltree_out); +Datum ltree_out(PG_FUNCTION_ARGS); + +PG_FUNCTION_INFO_V1(lquery_in); +Datum lquery_in(PG_FUNCTION_ARGS); +PG_FUNCTION_INFO_V1(lquery_out); +Datum lquery_out(PG_FUNCTION_ARGS); + + +#define UNCHAR elog(ERROR,"Syntax error in position %d near '%c'", ptr-buf, *ptr) + +typedef struct { + char* start; + int len; + int flag; +} nodeitem; + +#define LTPRS_WAITNAME 0 +#define LTPRS_WAITDELIM 1 + +Datum +ltree_in(PG_FUNCTION_ARGS) { + char *buf = (char *) PG_GETARG_POINTER(0); + char *ptr; + nodeitem *list, *lptr; + int num=0, totallen = 0; + int state = LTPRS_WAITNAME; + ltree *result; + ltree_level *curlevel; + + ptr=buf; + while( *ptr ) { + if ( *ptr == '.' ) + num++; + ptr++; + } + + list = lptr = (nodeitem*) palloc( sizeof(nodeitem)*(num+1) ); + ptr=buf; + while( *ptr ) { + if ( state == LTPRS_WAITNAME ) { + if ( ISALNUM(*ptr) ) { + lptr->start = ptr; + state = LTPRS_WAITDELIM; + } else + UNCHAR; + } else if ( state == LTPRS_WAITDELIM ) { + if ( *ptr == '.' ) { + lptr->len = ptr - lptr->start; + if ( lptr->len > 255 ) + elog(ERROR,"Name of level is too long (%d, must be < 256) in position %d", + lptr->len, lptr->start - buf); + totallen += lptr->len + LEVEL_HDRSIZE; + lptr++; + state = LTPRS_WAITNAME; + } else if ( !ISALNUM(*ptr) ) + UNCHAR; + } else + elog(ERROR,"Inner error in parser"); + ptr++; + } + + if ( state == LTPRS_WAITDELIM ) { + lptr->len = ptr - lptr->start; + if ( lptr->len > 255 ) + elog(ERROR,"Name of level is too long (%d, must be < 256) in position %d", + lptr->len, lptr->start - buf); + totallen += lptr->len + LEVEL_HDRSIZE; + lptr++; + } else if ( ! (state == LTPRS_WAITNAME && lptr == list) ) + elog(ERROR,"Unexpected end of line"); + + result = (ltree*)palloc( LTREE_HDRSIZE + totallen ); + result->len = LTREE_HDRSIZE + totallen; + result->numlevel = lptr-list; + curlevel = LTREE_FIRST(result); + lptr=list; + while( lptr-list < result->numlevel ) { + curlevel->len = (uint8) lptr->len; + memcpy( curlevel->name, lptr->start, lptr->len); + curlevel = LEVEL_NEXT(curlevel); + lptr++; + } + + pfree(list); + + PG_RETURN_POINTER(result); +} + +Datum +ltree_out(PG_FUNCTION_ARGS) { + ltree *in = PG_GETARG_LTREE(0); + char *buf,*ptr; + int i; + ltree_level *curlevel; + + ptr = buf = (char*)palloc( in->len ); + curlevel = LTREE_FIRST(in); + for(i=0;inumlevel;i++) { + if ( i!=0 ) { + *ptr = '.'; + ptr++; + } + memcpy( ptr, curlevel->name, curlevel->len ); + ptr+=curlevel->len; + curlevel = LEVEL_NEXT(curlevel); + } + + *ptr='\0'; + PG_FREE_IF_COPY(in,0); + + PG_RETURN_POINTER(buf); +} + +#define LQPRS_WAITLEVEL 0 +#define LQPRS_WAITDELIM 1 +#define LQPRS_WAITOPEN 2 +#define LQPRS_WAITFNUM 3 +#define LQPRS_WAITSNUM 4 +#define LQPRS_WAITND 5 +#define LQPRS_WAITCLOSE 6 +#define LQPRS_WAITEND 7 +#define LQPRS_WAITVAR 8 + + +#define GETVAR(x) ( *((nodeitem**)LQL_FIRST(x)) ) + +Datum +lquery_in(PG_FUNCTION_ARGS) { + char *buf = (char *) PG_GETARG_POINTER(0); + char *ptr; + int num=0, totallen = 0, numOR=0; + int state = LQPRS_WAITLEVEL; + lquery *result; + nodeitem *lptr=NULL; + lquery_level *cur,*curqlevel, *tmpql; + lquery_variant *lrptr=NULL; + bool hasnot=false; + bool wasbad=false; + + ptr=buf; + while( *ptr ) { + if ( *ptr == '.' ) + num++; + else if ( *ptr == '|' ) + numOR++; + ptr++; + } + + num++; + curqlevel = tmpql = (lquery_level*) palloc( ( LQL_HDRSIZE+sizeof(nodeitem*) )*(num) ); + memset((void*)tmpql,0, ( LQL_HDRSIZE+sizeof(nodeitem*) )*(num) ); + ptr=buf; + while( *ptr ) { + if ( state==LQPRS_WAITLEVEL ) { + if ( ISALNUM(*ptr) ) { + GETVAR(curqlevel) = lptr = (nodeitem*)palloc( sizeof(nodeitem)*(numOR+1) ); + memset((void*)GETVAR(curqlevel), 0,sizeof(nodeitem)*(numOR+1) ); + lptr->start = ptr; + state = LQPRS_WAITDELIM; + curqlevel->numvar = 1; + } else if ( *ptr == '!' ) { + GETVAR(curqlevel) = lptr = (nodeitem*)palloc( sizeof(nodeitem)*(numOR+1) ); + memset((void*)GETVAR(curqlevel), 0,sizeof(nodeitem)*(numOR+1) ); + lptr->start = ptr+1; + state = LQPRS_WAITDELIM; + curqlevel->numvar = 1; + curqlevel->flag |= LQL_NOT; + hasnot=true; + } else if ( *ptr == '*' ) { + state = LQPRS_WAITOPEN; + } else + UNCHAR; + } else if ( state==LQPRS_WAITVAR ) { + if ( ISALNUM(*ptr) ) { + lptr++; + lptr->start = ptr; + state = LQPRS_WAITDELIM; + curqlevel->numvar++; + } else + UNCHAR; + } else if ( state==LQPRS_WAITDELIM ) { + if ( *ptr == '@' ) { + if ( lptr->start == ptr ) + UNCHAR; + lptr->flag |= LVAR_INCASE; + curqlevel->flag |= LVAR_INCASE; + } else if ( *ptr == '*' ) { + if ( lptr->start == ptr ) + UNCHAR; + lptr->flag |= LVAR_ANYEND; + curqlevel->flag |= LVAR_ANYEND; + } else if ( *ptr == '%' ) { + if ( lptr->start == ptr ) + UNCHAR; + lptr->flag |= LVAR_SUBLEXEM; + curqlevel->flag |= LVAR_SUBLEXEM; + } else if ( *ptr == '|' ) { + lptr->len = ptr - lptr->start - + ( ( lptr->flag & LVAR_SUBLEXEM ) ? 1 : 0 ) - + ( ( lptr->flag & LVAR_INCASE ) ? 1 : 0 ) - + ( ( lptr->flag & LVAR_ANYEND ) ? 1 : 0 ); + if ( lptr->len > 255 ) + elog(ERROR,"Name of level is too long (%d, must be < 256) in position %d", + lptr->len, lptr->start - buf); + state = LQPRS_WAITVAR; + } else if ( *ptr == '.' ) { + lptr->len = ptr - lptr->start - + ( ( lptr->flag & LVAR_SUBLEXEM ) ? 1 : 0 ) - + ( ( lptr->flag & LVAR_INCASE ) ? 1 : 0 ) - + ( ( lptr->flag & LVAR_ANYEND ) ? 1 : 0 ); + if ( lptr->len > 255 ) + elog(ERROR,"Name of level is too long (%d, must be < 256) in position %d", + lptr->len, lptr->start - buf); + state = LQPRS_WAITLEVEL; + curqlevel++; + } else if ( ISALNUM(*ptr) ) { + if ( lptr->flag ) + UNCHAR; + } else + UNCHAR; + } else if ( state == LQPRS_WAITOPEN ) { + if ( *ptr == '{' ) { + state = LQPRS_WAITFNUM; + } else if ( *ptr == '.' ) { + curqlevel->low=0; + curqlevel->high=0xffff; + curqlevel++; + state = LQPRS_WAITLEVEL; + } else + UNCHAR; + } else if ( state == LQPRS_WAITFNUM ) { + if ( *ptr == ',' ) { + state = LQPRS_WAITSNUM; + } else if ( isdigit(*ptr) ) { + curqlevel->low = atoi( ptr ); + state = LQPRS_WAITND; + } else + UNCHAR; + } else if ( state == LQPRS_WAITSNUM ) { + if ( isdigit(*ptr) ) { + curqlevel->high = atoi( ptr ); + state = LQPRS_WAITCLOSE; + } else if ( *ptr == '}' ) { + curqlevel->high = 0xffff; + state = LQPRS_WAITEND; + } else + UNCHAR; + } else if ( state == LQPRS_WAITCLOSE ) { + if ( *ptr == '}' ) + state = LQPRS_WAITEND; + else if ( !isdigit(*ptr) ) + UNCHAR; + } else if ( state == LQPRS_WAITND ) { + if ( *ptr == '}' ) { + curqlevel->high = curqlevel->low; + state = LQPRS_WAITEND; + } else if ( *ptr == ',' ) + state = LQPRS_WAITSNUM; + else if ( !isdigit(*ptr) ) + UNCHAR; + } else if ( state == LQPRS_WAITEND ) { + if ( *ptr == '.' ) { + state = LQPRS_WAITLEVEL; + curqlevel++; + } else + UNCHAR; + } else + elog(ERROR,"Inner error in parser"); + ptr++; + } + + if ( state==LQPRS_WAITDELIM ) { + if ( lptr->start == ptr ) + elog(ERROR,"Unexpected end of line"); + lptr->len = ptr - lptr->start - + ( ( lptr->flag & LVAR_SUBLEXEM ) ? 1 : 0 ) - + ( ( lptr->flag & LVAR_INCASE ) ? 1 : 0 ) - + ( ( lptr->flag & LVAR_ANYEND ) ? 1 : 0 ); + if ( lptr->len==0 ) + elog(ERROR,"Unexpected end of line"); + if ( lptr->len > 255 ) + elog(ERROR,"Name of level is too long (%d, must be < 256) in position %d", + lptr->len, lptr->start - buf); + } else if ( state == LQPRS_WAITOPEN ) { + curqlevel->high = 0xffff; + } else if ( state != LQPRS_WAITEND ) + elog(ERROR,"Unexpected end of line"); + + curqlevel = tmpql; + totallen = LQUERY_HDRSIZE; + while( curqlevel-tmpql < num ) { + totallen += LQL_HDRSIZE; + if ( curqlevel->numvar ) { + lptr = GETVAR(curqlevel); + while( lptr-GETVAR(curqlevel) < curqlevel->numvar ) { + totallen += LVAR_HDRSIZE + lptr->len; + lptr++; + } + } else if ( curqlevel->low > curqlevel->high ) + elog(ERROR,"Low limit(%d) is greater than upper(%d)",curqlevel->low,curqlevel->high ); + curqlevel++; + } + + result = (lquery*)palloc( totallen ); + result->len = totallen; + result->numlevel = num; + result->firstgood = 0; + result->flag=0; + if ( hasnot ) + result->flag |= LQUERY_HASNOT; + cur = LQUERY_FIRST(result); + curqlevel = tmpql; + while( curqlevel-tmpql < num ) { + memcpy(cur,curqlevel,LQL_HDRSIZE); + cur->totallen=LQL_HDRSIZE; + if ( curqlevel->numvar ) { + lrptr = LQL_FIRST(cur); + lptr = GETVAR(curqlevel); + while( lptr-GETVAR(curqlevel) < curqlevel->numvar ) { + cur->totallen += LVAR_HDRSIZE + lptr->len; + lrptr->len = lptr->len; + lrptr->flag = lptr->flag; + lrptr->val = crc32_sz((uint8 *) lptr->start, lptr->len); + memcpy( lrptr->name, lptr->start, lptr->len); + lptr++; + lrptr = LVAR_NEXT( lrptr ); + } + pfree( GETVAR(curqlevel) ); + if ( cur->numvar > 1 || cur->flag != 0 ) + wasbad=true; + else if ( wasbad==false ) + (result->firstgood)++; + } else + wasbad=true; + curqlevel++; + cur = LQL_NEXT(cur); + } + + pfree(tmpql); + PG_RETURN_POINTER(result); +} + +Datum +lquery_out(PG_FUNCTION_ARGS) { + lquery *in = PG_GETARG_LQUERY(0); + char *buf,*ptr; + int i,j,totallen=0; + lquery_level *curqlevel; + lquery_variant *curtlevel; + + curqlevel = LQUERY_FIRST(in); + for(i=0;inumlevel;i++) { + if ( curqlevel->numvar ) + totallen = (curqlevel->numvar*4) + 1 + curqlevel->totallen; + else + totallen = 2*11 + 4; + totallen++; + curqlevel = LQL_NEXT(curqlevel); + } + + + ptr = buf = (char*)palloc( totallen ); + curqlevel = LQUERY_FIRST(in); + for(i=0;inumlevel;i++) { + if ( i!=0 ) { + *ptr = '.'; + ptr++; + } + if ( curqlevel->numvar ) { + if ( curqlevel->flag & LQL_NOT ) { + *ptr = '!'; + ptr++; + } + curtlevel = LQL_FIRST(curqlevel); + for(j=0;jnumvar;j++) { + if ( j!=0 ) { + *ptr = '|'; + ptr++; + } + memcpy( ptr, curtlevel->name, curtlevel->len ); + ptr+=curtlevel->len; + if ( (curtlevel->flag & LVAR_SUBLEXEM) ) { + *ptr = '%'; + ptr++; + } + if ( (curtlevel->flag & LVAR_INCASE) ) { + *ptr = '@'; + ptr++; + } + if ( (curtlevel->flag & LVAR_ANYEND) ) { + *ptr = '*'; + ptr++; + } + curtlevel = LVAR_NEXT(curtlevel); + } + } else { + if ( curqlevel->low == curqlevel->high ) { + sprintf(ptr,"*{%d}",curqlevel->low); + } else if ( curqlevel->low == 0 ) { + if ( curqlevel->high == 0xffff ) { + *ptr='*'; + *(ptr+1)='\0'; + } else + sprintf(ptr,"*{,%d}",curqlevel->high); + } else if ( curqlevel->high == 0xffff ) { + sprintf(ptr,"*{%d,}",curqlevel->low); + } else + sprintf(ptr,"*{%d,%d}", curqlevel->low, curqlevel->high); + ptr = strchr(ptr,'\0'); + } + + curqlevel = LQL_NEXT(curqlevel); + } + + *ptr='\0'; + PG_FREE_IF_COPY(in,0); + + PG_RETURN_POINTER(buf); +} + + diff --git a/contrib/ltree/ltree_op.c b/contrib/ltree/ltree_op.c new file mode 100644 index 0000000000..6d504713e5 --- /dev/null +++ b/contrib/ltree/ltree_op.c @@ -0,0 +1,310 @@ +/* + * op function for ltree + * Teodor Sigaev + */ + +#include "ltree.h" +#include + +/* compare functions */ +PG_FUNCTION_INFO_V1(ltree_cmp); +PG_FUNCTION_INFO_V1(ltree_lt); +PG_FUNCTION_INFO_V1(ltree_le); +PG_FUNCTION_INFO_V1(ltree_eq); +PG_FUNCTION_INFO_V1(ltree_ne); +PG_FUNCTION_INFO_V1(ltree_ge); +PG_FUNCTION_INFO_V1(ltree_gt); +PG_FUNCTION_INFO_V1(nlevel); +PG_FUNCTION_INFO_V1(ltree_isparent); +PG_FUNCTION_INFO_V1(ltree_risparent); +PG_FUNCTION_INFO_V1(subltree); +PG_FUNCTION_INFO_V1(subpath); +PG_FUNCTION_INFO_V1(ltree_addltree); +PG_FUNCTION_INFO_V1(ltree_addtext); +PG_FUNCTION_INFO_V1(ltree_textadd); +Datum ltree_cmp(PG_FUNCTION_ARGS); +Datum ltree_lt(PG_FUNCTION_ARGS); +Datum ltree_le(PG_FUNCTION_ARGS); +Datum ltree_eq(PG_FUNCTION_ARGS); +Datum ltree_ne(PG_FUNCTION_ARGS); +Datum ltree_ge(PG_FUNCTION_ARGS); +Datum ltree_gt(PG_FUNCTION_ARGS); +Datum nlevel(PG_FUNCTION_ARGS); +Datum subltree(PG_FUNCTION_ARGS); +Datum subpath(PG_FUNCTION_ARGS); +Datum ltree_addltree(PG_FUNCTION_ARGS); +Datum ltree_addtext(PG_FUNCTION_ARGS); +Datum ltree_textadd(PG_FUNCTION_ARGS); + +int +ltree_compare(const ltree *a, const ltree *b) { + ltree_level *al = LTREE_FIRST(a); + ltree_level *bl = LTREE_FIRST(b); + int an = a->numlevel; + int bn = b->numlevel; + int res = 0; + + while( an>0 && bn>0 ) { + if ( (res = strncmp( al->name, bl->name, min(al->len, bl->len))) == 0 ) { + if ( al->len != bl->len ) + return (al->len - bl->len)*10*(an+1); + } else + return res*10*(an+1); + + an--; bn--; + al = LEVEL_NEXT(al); + bl = LEVEL_NEXT(bl); + } + + return (a->numlevel - b->numlevel)*10*(an+1); +} + +#define RUNCMP \ +ltree *a = PG_GETARG_LTREE(0); \ +ltree *b = PG_GETARG_LTREE(1); \ +int res = ltree_compare(a,b); \ +PG_FREE_IF_COPY(a,0); \ +PG_FREE_IF_COPY(b,1); \ + +Datum +ltree_cmp(PG_FUNCTION_ARGS) { + RUNCMP + PG_RETURN_INT32(res); +} + +Datum +ltree_lt(PG_FUNCTION_ARGS) { + RUNCMP + PG_RETURN_BOOL( (res<0) ? true : false ); +} + +Datum +ltree_le(PG_FUNCTION_ARGS) { + RUNCMP + PG_RETURN_BOOL( (res<=0) ? true : false ); +} + +Datum +ltree_eq(PG_FUNCTION_ARGS) { + RUNCMP + PG_RETURN_BOOL( (res==0) ? true : false ); +} + +Datum +ltree_ge(PG_FUNCTION_ARGS) { + RUNCMP + PG_RETURN_BOOL( (res>=0) ? true : false ); +} + +Datum +ltree_gt(PG_FUNCTION_ARGS) { + RUNCMP + PG_RETURN_BOOL( (res>0) ? true : false ); +} + +Datum +ltree_ne(PG_FUNCTION_ARGS) { + RUNCMP + PG_RETURN_BOOL( (res!=0) ? true : false ); +} + +Datum +nlevel(PG_FUNCTION_ARGS) { + ltree *a = PG_GETARG_LTREE(0); + int res = a->numlevel; + PG_FREE_IF_COPY(a,0); + PG_RETURN_INT32(res); +} + +bool +inner_isparent(const ltree *c, const ltree *p) { + ltree_level *cl = LTREE_FIRST(c); + ltree_level *pl = LTREE_FIRST(p); + int pn = p->numlevel; + + if ( pn > c->numlevel ) + return false; + + while( pn>0 ) { + if ( cl->len != pl->len ) + return false; + if ( strncmp( cl->name, pl->name, cl->len ) ) + return false; + + pn--; + cl = LEVEL_NEXT(cl); + pl = LEVEL_NEXT(pl); + } + return true; +} + +Datum +ltree_isparent(PG_FUNCTION_ARGS) { + ltree *c = PG_GETARG_LTREE(1); + ltree *p = PG_GETARG_LTREE(0); + bool res = inner_isparent(c,p); + PG_FREE_IF_COPY(c,1); + PG_FREE_IF_COPY(p,0); + PG_RETURN_BOOL( res ); +} + +Datum +ltree_risparent(PG_FUNCTION_ARGS) { + ltree *c = PG_GETARG_LTREE(0); + ltree *p = PG_GETARG_LTREE(1); + bool res = inner_isparent(c,p); + PG_FREE_IF_COPY(c,0); + PG_FREE_IF_COPY(p,1); + PG_RETURN_BOOL( res ); +} + + +static ltree* +inner_subltree(ltree *t, int4 startpos, int4 endpos) { + char *start=NULL,*end=NULL; + ltree_level *ptr = LTREE_FIRST(t); + ltree *res; + int i; + + if ( startpos <0 || endpos <0 || startpos>=t->numlevel || startpos >= endpos ) + elog(ERROR,"Wrong positions"); + + if ( endpos > t->numlevel ) + endpos = t->numlevel; + + for(i=0;ilen = LTREE_HDRSIZE + (end-start); + res->numlevel = endpos-startpos; + + memcpy( LTREE_FIRST(res), start, end-start); + + return res; +} + +Datum +subltree(PG_FUNCTION_ARGS) { + ltree *t = PG_GETARG_LTREE(0); + ltree *res = inner_subltree(t,PG_GETARG_INT32(1),PG_GETARG_INT32(2)); + + PG_FREE_IF_COPY(t,0); + PG_RETURN_POINTER(res); +} + +Datum +subpath(PG_FUNCTION_ARGS) { + ltree *t = PG_GETARG_LTREE(0); + int4 start = PG_GETARG_INT32(1); + int4 len = ( fcinfo->nargs==3 ) ? PG_GETARG_INT32(2) : 0; + int4 end; + ltree *res; + + end = start+len; + + if ( start < 0 ) { + start = t->numlevel + start; + end = start+len; + } + if ( start < 0 ) { /* start > t->numlevel */ + start = t->numlevel + start; + end = start+len; + } + + if ( len < 0 ) + end = t->numlevel + len; + else if ( len == 0 ) + end = 0xffff; + + res = inner_subltree(t,start,end); + + PG_FREE_IF_COPY(t,0); + PG_RETURN_POINTER(res); +} + +static ltree* +ltree_concat( ltree *a, ltree *b) { + ltree *r; + r=(ltree*)palloc( a->len + b->len - LTREE_HDRSIZE); + r->len = a->len + b->len - LTREE_HDRSIZE; + r->numlevel = a->numlevel + b->numlevel; + + memcpy( LTREE_FIRST(r), LTREE_FIRST(a), a->len - LTREE_HDRSIZE); + memcpy( ((char*)LTREE_FIRST(r))+ a->len - LTREE_HDRSIZE, LTREE_FIRST(b), b->len - + LTREE_HDRSIZE); + return r; +} + +Datum +ltree_addltree(PG_FUNCTION_ARGS) { + ltree *a = PG_GETARG_LTREE(0); + ltree *b = PG_GETARG_LTREE(1); + ltree *r; + + r = ltree_concat(a, b); + PG_FREE_IF_COPY(a,0); + PG_FREE_IF_COPY(b,1); + PG_RETURN_POINTER(r); +} + +Datum +ltree_addtext(PG_FUNCTION_ARGS) { + ltree *a = PG_GETARG_LTREE(0); + text *b = PG_GETARG_TEXT_P(1); + char *s; + ltree *r,*tmp; + + s = (char*)palloc( VARSIZE(b) - VARHDRSZ+1 ); + memcpy(s, VARDATA(b), VARSIZE(b) - VARHDRSZ ); + s[VARSIZE(b) - VARHDRSZ] = '\0'; + + tmp = (ltree*)DatumGetPointer( DirectFunctionCall1( + ltree_in, + PointerGetDatum(s) + ) ); + + pfree(s); + + r = ltree_concat(a,tmp); + + pfree( tmp ); + + PG_FREE_IF_COPY(a,0); + PG_FREE_IF_COPY(b,1); + PG_RETURN_POINTER(r); +} + +Datum +ltree_textadd(PG_FUNCTION_ARGS) { + ltree *a = PG_GETARG_LTREE(1); + text *b = PG_GETARG_TEXT_P(0); + char *s; + ltree *r,*tmp; + + s = (char*)palloc( VARSIZE(b) - VARHDRSZ + 1 ); + memcpy(s, VARDATA(b), VARSIZE(b) - VARHDRSZ ); + s[VARSIZE(b) - VARHDRSZ] = '\0'; + + tmp = (ltree*)DatumGetPointer( DirectFunctionCall1( + ltree_in, + PointerGetDatum(s) + ) ); + + pfree(s); + + r = ltree_concat(tmp,a); + + pfree( tmp ); + + PG_FREE_IF_COPY(a,1); + PG_FREE_IF_COPY(b,0); + PG_RETURN_POINTER(r); +} diff --git a/contrib/ltree/ltreetest.sql b/contrib/ltree/ltreetest.sql new file mode 100644 index 0000000000..0dd6eaa63d --- /dev/null +++ b/contrib/ltree/ltreetest.sql @@ -0,0 +1,16 @@ +create table test ( path ltree); +insert into test values ('Top'); +insert into test values ('Top.Science'); +insert into test values ('Top.Science.Astronomy'); +insert into test values ('Top.Science.Astronomy.Astrophysics'); +insert into test values ('Top.Science.Astronomy.Cosmology'); +insert into test values ('Top.Hobbies'); +insert into test values ('Top.Hobbies.Amateurs_Astronomy'); +insert into test values ('Top.Collections'); +insert into test values ('Top.Collections.Pictures'); +insert into test values ('Top.Collections.Pictures.Astronomy'); +insert into test values ('Top.Collections.Pictures.Astronomy.Stars'); +insert into test values ('Top.Collections.Pictures.Astronomy.Galaxies'); +insert into test values ('Top.Collections.Pictures.Astronomy.Astronauts'); +create index path_gist_idx on test using gist(path); +create index path_idx on test using btree(path); diff --git a/contrib/ltree/ltxtquery_io.c b/contrib/ltree/ltxtquery_io.c new file mode 100644 index 0000000000..e70d643b85 --- /dev/null +++ b/contrib/ltree/ltxtquery_io.c @@ -0,0 +1,484 @@ +/* + * txtquery io + * Teodor Sigaev + */ + +#include "ltree.h" +#include +#include "crc32.h" + +PG_FUNCTION_INFO_V1(ltxtq_in); +Datum ltxtq_in(PG_FUNCTION_ARGS); +PG_FUNCTION_INFO_V1(ltxtq_out); +Datum ltxtq_out(PG_FUNCTION_ARGS); + + +/* parser's states */ +#define WAITOPERAND 1 +#define INOPERAND 2 +#define WAITOPERATOR 3 + +/* + * node of query tree, also used + * for storing polish notation in parser + */ +typedef struct NODE { + int4 type; + int4 val; + int2 distance; + int2 length; + uint16 flag; + struct NODE *next; +} NODE; + +typedef struct { + char *buf; + int4 state; + int4 count; + /* reverse polish notation in list (for temprorary usage) */ + NODE *str; + /* number in str */ + int4 num; + + /* user-friendly operand */ + int4 lenop; + int4 sumlen; + char *op; + char *curop; +} QPRS_STATE; + +/* + * get token from query string + */ +static int4 +gettoken_query(QPRS_STATE * state, int4 *val, int4 *lenval, char **strval, uint16 *flag) +{ + while (1) + { + switch (state->state) + { + case WAITOPERAND: + if (*(state->buf) == '!') + { + (state->buf)++; + *val = (int4) '!'; + return OPR; + } + else if (*(state->buf) == '(') + { + state->count++; + (state->buf)++; + return OPEN; + } + else if ( ISALNUM(*(state->buf)) ) + { + state->state = INOPERAND; + *strval = state->buf; + *lenval = 1; + *flag = 0; + } else if ( !isspace(*(state->buf)) ) + elog(ERROR,"Operand syntax error"); + break; + case INOPERAND: + if ( ISALNUM(*(state->buf)) ) { + if ( *flag ) + elog(ERROR,"Modificators syntax error"); + (*lenval)++; + } else if ( *(state->buf) == '%' ) { + *flag |= LVAR_SUBLEXEM; + } else if ( *(state->buf) == '@' ) { + *flag |= LVAR_INCASE; + } else if ( *(state->buf) == '*' ) { + *flag |= LVAR_ANYEND; + } else { + state->state = WAITOPERATOR; + return VAL; + } + break; + case WAITOPERATOR: + if (*(state->buf) == '&' || *(state->buf) == '|') + { + state->state = WAITOPERAND; + *val = (int4) *(state->buf); + (state->buf)++; + return OPR; + } + else if (*(state->buf) == ')') + { + (state->buf)++; + state->count--; + return (state->count < 0) ? ERR : CLOSE; + } + else if (*(state->buf) == '\0') + return (state->count) ? ERR : END; + else if (*(state->buf) != ' ') + return ERR; + break; + default: + return ERR; + break; + } + (state->buf)++; + } + return END; +} + +/* + * push new one in polish notation reverse view + */ +static void +pushquery(QPRS_STATE * state, int4 type, int4 val, int4 distance, int4 lenval, uint16 flag) +{ + NODE *tmp = (NODE *) palloc(sizeof(NODE)); + + tmp->type = type; + tmp->val = val; + tmp->flag = flag; + if (distance > 0xffff) + elog(ERROR, "Value is too big"); + if (lenval > 0xff) + elog(ERROR, "Operand is too long"); + tmp->distance = distance; + tmp->length = lenval; + tmp->next = state->str; + state->str = tmp; + state->num++; +} + +/* + * This function is used for query_txt parsing + */ +static void +pushval_asis(QPRS_STATE * state, int type, char *strval, int lenval, uint16 flag) +{ + if (lenval > 0xffff) + elog(ERROR, "Word is too long"); + + pushquery(state, type, crc32_sz((uint8 *) strval, lenval), + state->curop - state->op, lenval, flag); + + while (state->curop - state->op + lenval + 1 >= state->lenop) + { + int4 tmp = state->curop - state->op; + + state->lenop *= 2; + state->op = (char *) repalloc((void *) state->op, state->lenop); + state->curop = state->op + tmp; + } + memcpy((void *) state->curop, (void *) strval, lenval); + state->curop += lenval; + *(state->curop) = '\0'; + state->curop++; + state->sumlen += lenval + 1; + return; +} + +#define STACKDEPTH 32 +/* + * make polish notaion of query + */ +static int4 +makepol(QPRS_STATE * state) +{ + int4 val, + type; + int4 lenval; + char *strval; + int4 stack[STACKDEPTH]; + int4 lenstack = 0; + uint16 flag; + + while ((type = gettoken_query(state, &val, &lenval, &strval,&flag)) != END) { + switch (type) + { + case VAL: + pushval_asis(state, VAL, strval, lenval,flag); + while (lenstack && (stack[lenstack - 1] == (int4) '&' || + stack[lenstack - 1] == (int4) '!')) + { + lenstack--; + pushquery(state, OPR, stack[lenstack], 0, 0, 0); + } + break; + case OPR: + if (lenstack && val == (int4) '|') + pushquery(state, OPR, val, 0, 0, 0); + else + { + if (lenstack == STACKDEPTH) + elog(ERROR, "Stack too short"); + stack[lenstack] = val; + lenstack++; + } + break; + case OPEN: + if (makepol(state) == ERR) + return ERR; + if (lenstack && (stack[lenstack - 1] == (int4) '&' || + stack[lenstack - 1] == (int4) '!')) + { + lenstack--; + pushquery(state, OPR, stack[lenstack], 0, 0, 0); + } + break; + case CLOSE: + while (lenstack) + { + lenstack--; + pushquery(state, OPR, stack[lenstack], 0, 0, 0); + }; + return END; + break; + case ERR: + default: + elog(ERROR, "Syntax error"); + return ERR; + + } + } + while (lenstack) { + lenstack--; + pushquery(state, OPR, stack[lenstack], 0, 0, 0); + }; + return END; +} + +static void +findoprnd(ITEM * ptr, int4 *pos) +{ + if (ptr[*pos].type == VAL || ptr[*pos].type == VALTRUE) + { + ptr[*pos].left = 0; + (*pos)++; + } + else if (ptr[*pos].val == (int4) '!') + { + ptr[*pos].left = 1; + (*pos)++; + findoprnd(ptr, pos); + } + else + { + ITEM *curitem = &ptr[*pos]; + int4 tmp = *pos; + + (*pos)++; + findoprnd(ptr, pos); + curitem->left = *pos - tmp; + findoprnd(ptr, pos); + } +} + + +/* + * input + */ +static ltxtquery * +queryin(char *buf) +{ + QPRS_STATE state; + int4 i; + ltxtquery *query; + int4 commonlen; + ITEM *ptr; + NODE *tmp; + int4 pos = 0; + +#ifdef BS_DEBUG + char pbuf[16384], + *cur; +#endif + + /* init state */ + state.buf = buf; + state.state = WAITOPERAND; + state.count = 0; + state.num = 0; + state.str = NULL; + + /* init list of operand */ + state.sumlen = 0; + state.lenop = 64; + state.curop = state.op = (char *) palloc(state.lenop); + *(state.curop) = '\0'; + + /* parse query & make polish notation (postfix, but in reverse order) */ + makepol(&state); + if (!state.num) + elog(ERROR, "Empty query"); + /* make finish struct */ + commonlen = COMPUTESIZE(state.num, state.sumlen); + query = (ltxtquery *) palloc(commonlen); + query->len = commonlen; + query->size = state.num; + ptr = GETQUERY(query); + + /* set item in polish notation */ + for (i = 0; i < state.num; i++) + { + ptr[i].type = state.str->type; + ptr[i].val = state.str->val; + ptr[i].distance = state.str->distance; + ptr[i].length = state.str->length; + ptr[i].flag = state.str->flag; + tmp = state.str->next; + pfree(state.str); + state.str = tmp; + } + + /* set user friendly-operand view */ + memcpy((void *) GETOPERAND(query), (void *) state.op, state.sumlen); + pfree(state.op); + + /* set left operand's position for every operator */ + pos = 0; + findoprnd(ptr, &pos); + + return query; +} + +/* + * in without morphology + */ +Datum +ltxtq_in(PG_FUNCTION_ARGS) +{ + PG_RETURN_POINTER(queryin((char *) PG_GETARG_POINTER(0))); +} + +/* + * out function + */ +typedef struct +{ + ITEM *curpol; + char *buf; + char *cur; + char *op; + int4 buflen; +} INFIX; + +#define RESIZEBUF(inf,addsize) \ +while( ( inf->cur - inf->buf ) + addsize + 1 >= inf->buflen ) \ +{ \ + int4 len = inf->cur - inf->buf; \ + inf->buflen *= 2; \ + inf->buf = (char*) repalloc( (void*)inf->buf, inf->buflen ); \ + inf->cur = inf->buf + len; \ +} + +/* + * recursive walk on tree and print it in + * infix (human-readable) view + */ +static void +infix(INFIX * in, bool first) +{ + if (in->curpol->type == VAL) + { + char *op = in->op + in->curpol->distance; + + RESIZEBUF(in, in->curpol->length * 2 + 5); + while (*op) { + *(in->cur) = *op; + op++; + in->cur++; + } + if ( in->curpol->flag & LVAR_SUBLEXEM ) { + *(in->cur) = '%'; + in->cur++; + } + if ( in->curpol->flag & LVAR_INCASE ) { + *(in->cur) = '@'; + in->cur++; + } + if ( in->curpol->flag & LVAR_ANYEND ) { + *(in->cur) = '*'; + in->cur++; + } + *(in->cur) = '\0'; + in->curpol++; + } + else if (in->curpol->val == (int4) '!') + { + bool isopr = false; + + RESIZEBUF(in, 1); + *(in->cur) = '!'; + in->cur++; + *(in->cur) = '\0'; + in->curpol++; + if (in->curpol->type == OPR) + { + isopr = true; + RESIZEBUF(in, 2); + sprintf(in->cur, "( "); + in->cur = strchr(in->cur, '\0'); + } + infix(in, isopr); + if (isopr) + { + RESIZEBUF(in, 2); + sprintf(in->cur, " )"); + in->cur = strchr(in->cur, '\0'); + } + } + else + { + int4 op = in->curpol->val; + INFIX nrm; + + in->curpol++; + if (op == (int4) '|' && !first) + { + RESIZEBUF(in, 2); + sprintf(in->cur, "( "); + in->cur = strchr(in->cur, '\0'); + } + + nrm.curpol = in->curpol; + nrm.op = in->op; + nrm.buflen = 16; + nrm.cur = nrm.buf = (char *) palloc(sizeof(char) * nrm.buflen); + + /* get right operand */ + infix(&nrm, false); + + /* get & print left operand */ + in->curpol = nrm.curpol; + infix(in, false); + + /* print operator & right operand */ + RESIZEBUF(in, 3 + (nrm.cur - nrm.buf)); + sprintf(in->cur, " %c %s", op, nrm.buf); + in->cur = strchr(in->cur, '\0'); + pfree(nrm.buf); + + if (op == (int4) '|' && !first) + { + RESIZEBUF(in, 2); + sprintf(in->cur, " )"); + in->cur = strchr(in->cur, '\0'); + } + } +} + +Datum +ltxtq_out(PG_FUNCTION_ARGS) +{ + ltxtquery *query = PG_GETARG_LTXTQUERY(0); + INFIX nrm; + + if (query->size == 0) + elog(ERROR, "Empty"); + nrm.curpol = GETQUERY(query); + nrm.buflen = 32; + nrm.cur = nrm.buf = (char *) palloc(sizeof(char) * nrm.buflen); + *(nrm.cur) = '\0'; + nrm.op = GETOPERAND(query); + infix(&nrm, true); + + PG_FREE_IF_COPY(query, 0); + PG_RETURN_POINTER(nrm.buf); +} + diff --git a/contrib/ltree/ltxtquery_op.c b/contrib/ltree/ltxtquery_op.c new file mode 100644 index 0000000000..d5674427e6 --- /dev/null +++ b/contrib/ltree/ltxtquery_op.c @@ -0,0 +1,99 @@ +/* + * txtquery operations with ltree + * Teodor Sigaev + */ + +#include "ltree.h" +#include + +PG_FUNCTION_INFO_V1(ltxtq_exec); +PG_FUNCTION_INFO_V1(ltxtq_rexec); + +/* + * check for boolean condition + */ +bool +execute(ITEM * curitem, void *checkval, bool calcnot, bool (*chkcond) (void *checkval, ITEM * val)) { + if (curitem->type == VAL) + return (*chkcond) (checkval, curitem); + else if (curitem->val == (int4) '!') { + return (calcnot) ? + ((execute(curitem + 1, checkval, calcnot, chkcond)) ? false : true) + : true; + } else if (curitem->val == (int4) '&') { + if (execute(curitem + curitem->left, checkval, calcnot, chkcond)) + return execute(curitem + 1, checkval, calcnot, chkcond); + else + return false; + } else { /* |-operator */ + if (execute(curitem + curitem->left, checkval, calcnot, chkcond)) + return true; + else + return execute(curitem + 1, checkval, calcnot, chkcond); + } + return false; +} + +typedef struct { + ltree *node; + char *operand; +} CHKVAL; + +static bool +checkcondition_str(void* checkval, ITEM * val) { + ltree_level *level = LTREE_FIRST( ((CHKVAL*)checkval)->node ); + int tlen = ((CHKVAL*)checkval)->node->numlevel; + char *op = ((CHKVAL*)checkval)->operand + val->distance; + int (*cmpptr)(const char *,const char *,size_t); + + cmpptr = ( val->flag & LVAR_INCASE ) ? strncasecmp : strncmp; + while( tlen > 0 ) { + if ( val->flag & LVAR_SUBLEXEM ) { + if ( compare_subnode(level, op, val->length, cmpptr, (val->flag & LVAR_ANYEND) ) ) + return true; + } else if ( + ( + val->length == level->len || + ( level->len > val->length && (val->flag & LVAR_ANYEND) ) + ) && + (*cmpptr)( op, level->name, val->length) == 0 ) + return true; + + tlen--; + level = LEVEL_NEXT(level); + } + + return false; +} + +Datum +ltxtq_exec(PG_FUNCTION_ARGS) { + ltree *val = PG_GETARG_LTREE(0); + ltxtquery *query = PG_GETARG_LTXTQUERY(1); + CHKVAL chkval; + bool result; + + chkval.node = val; + chkval.operand = GETOPERAND(query); + + result = execute( + GETQUERY(query), + &chkval, + true, + checkcondition_str + ); + + PG_FREE_IF_COPY(val, 0); + PG_FREE_IF_COPY(query, 1); + PG_RETURN_BOOL(result); +} + +Datum +ltxtq_rexec(PG_FUNCTION_ARGS) { + PG_RETURN_DATUM( DirectFunctionCall2( ltxtq_exec, + PG_GETARG_DATUM(1), + PG_GETARG_DATUM(0) + ) ); +} + + diff --git a/contrib/ltree/patch.72 b/contrib/ltree/patch.72 new file mode 100644 index 0000000000..a03cd2f8c7 --- /dev/null +++ b/contrib/ltree/patch.72 @@ -0,0 +1,71 @@ +*** ltree.sql.in Tue Jul 23 18:49:12 2002 +--- ltree.sql.in.72 Wed Jul 17 18:59:08 2002 +*************** +*** 177,188 **** + + + -- B-tree support +! INSERT INTO pg_opclass (opcamid, opcname, opcnamespace, opcowner, opcintype, opcdefault, opckeytype) + VALUES ( + (SELECT oid FROM pg_am WHERE amname = 'btree'), + 'ltree_ops', +- (SELECT oid FROM pg_namespace WHERE nspname = 'pg_catalog'), +- 1, -- UID of superuser is hardwired to 1 as of PG 7.3 + (SELECT oid FROM pg_type WHERE typname = 'ltree'), + true, + 0); +--- 177,186 ---- + + + -- B-tree support +! INSERT INTO pg_opclass (opcamid, opcname, opcintype, opcdefault, opckeytype) + VALUES ( + (SELECT oid FROM pg_am WHERE amname = 'btree'), + 'ltree_ops', + (SELECT oid FROM pg_type WHERE typname = 'ltree'), + true, + 0); +*************** +*** 376,386 **** + create function ltree_union(bytea, opaque) returns int4 as 'MODULE_PATHNAME' language 'C'; + create function ltree_same(opaque, opaque, opaque) returns opaque as 'MODULE_PATHNAME' language 'C'; + +! INSERT INTO pg_opclass (opcamid, opcname, opcnamespace, opcowner, opcintype, opckeytype, opcdefault) +! SELECT pg_am.oid, 'gist_ltree_ops', +! (SELECT oid FROM pg_namespace WHERE nspname = 'pg_catalog'), +! 1, -- UID of superuser is hardwired to 1 as of PG 7.3 +! pg_type.oid, pg_key.oid, true + FROM pg_type, pg_am, pg_type pg_key + WHERE pg_type.typname = 'ltree' and + pg_am.amname='gist' and +--- 374,381 ---- + create function ltree_union(bytea, opaque) returns int4 as 'MODULE_PATHNAME' language 'C'; + create function ltree_same(opaque, opaque, opaque) returns opaque as 'MODULE_PATHNAME' language 'C'; + +! INSERT INTO pg_opclass (opcamid, opcname, opcintype, opckeytype, opcdefault) +! SELECT pg_am.oid, 'gist_ltree_ops', pg_type.oid, pg_key.oid, true + FROM pg_type, pg_am, pg_type pg_key + WHERE pg_type.typname = 'ltree' and + pg_am.amname='gist' and +*************** +*** 720,730 **** + create function _ltree_union(bytea, opaque) returns int4 as 'MODULE_PATHNAME' language 'C'; + create function _ltree_same(opaque, opaque, opaque) returns opaque as 'MODULE_PATHNAME' language 'C'; + +! INSERT INTO pg_opclass (opcamid, opcname, opcnamespace, opcowner, opcintype, opckeytype, opcdefault) +! SELECT pg_am.oid, 'gist__ltree_ops', +! (SELECT oid FROM pg_namespace WHERE nspname = 'pg_catalog'), +! 1, -- UID of superuser is hardwired to 1 as of PG 7.3 +! pg_type.oid, pg_key.oid, true + FROM pg_type, pg_am, pg_type pg_key + WHERE pg_type.typname = '_ltree' and + pg_am.amname='gist' and +--- 715,722 ---- + create function _ltree_union(bytea, opaque) returns int4 as 'MODULE_PATHNAME' language 'C'; + create function _ltree_same(opaque, opaque, opaque) returns opaque as 'MODULE_PATHNAME' language 'C'; + +! INSERT INTO pg_opclass (opcamid, opcname, opcintype, opckeytype, opcdefault) +! SELECT pg_am.oid, 'gist__ltree_ops', pg_type.oid, pg_key.oid, true + FROM pg_type, pg_am, pg_type pg_key + WHERE pg_type.typname = '_ltree' and + pg_am.amname='gist' and diff --git a/contrib/ltree/sql/ltree.sql b/contrib/ltree/sql/ltree.sql new file mode 100644 index 0000000000..4a4cf28c71 --- /dev/null +++ b/contrib/ltree/sql/ltree.sql @@ -0,0 +1,238 @@ +\set ECHO none +\i ltree.sql +\set ECHO all + +select ''::ltree; +select '1'::ltree; +select '1.2'::ltree; +select '1.2._3'::ltree; + +select subltree('Top.Child1.Child2',1,2); +select subpath('Top.Child1.Child2',1,2); +select subpath('Top.Child1.Child2',-1,1); +select subpath('Top.Child1.Child2',0,-2); +select subpath('Top.Child1.Child2',0,-1); +select subpath('Top.Child1.Child2',0,0); +select subpath('Top.Child1.Child2',1,0); +select subpath('Top.Child1.Child2',0); +select subpath('Top.Child1.Child2',1); + +select 'Top.Child1.Child2'::ltree || 'Child3'::text; +select 'Top.Child1.Child2'::ltree || 'Child3'::ltree; +select 'Top_0'::ltree || 'Top.Child1.Child2'::ltree; +select 'Top.Child1.Child2'::ltree || ''::ltree; +select ''::ltree || 'Top.Child1.Child2'::ltree; + +select '1'::lquery; +select '4|3|2'::lquery; +select '1.2'::lquery; +select '1.4|3|2'::lquery; +select '1.0'::lquery; +select '4|3|2.0'::lquery; +select '1.2.0'::lquery; +select '1.4|3|2.0'::lquery; +select '1.*'::lquery; +select '4|3|2.*'::lquery; +select '1.2.*'::lquery; +select '1.4|3|2.*'::lquery; +select '*.1.*'::lquery; +select '*.4|3|2.*'::lquery; +select '*.1.2.*'::lquery; +select '*.1.4|3|2.*'::lquery; +select '1.*.4|3|2'::lquery; +select '1.*.4|3|2.0'::lquery; +select '1.*.4|3|2.*{1,4}'::lquery; +select '1.*.4|3|2.*{,4}'::lquery; +select '1.*.4|3|2.*{1,}'::lquery; +select '1.*.4|3|2.*{1}'::lquery; +select 'qwerty%@*.tu'::lquery; + +select nlevel('1.2.3.4'); +select '1.2'::ltree < '2.2'::ltree; +select '1.2'::ltree <= '2.2'::ltree; +select '2.2'::ltree = '2.2'::ltree; +select '3.2'::ltree >= '2.2'::ltree; +select '3.2'::ltree > '2.2'::ltree; + +select '1.2.3'::ltree @> '1.2.3.4'::ltree; +select '1.2.3.4'::ltree @> '1.2.3.4'::ltree; +select '1.2.3.4.5'::ltree @> '1.2.3.4'::ltree; +select '1.3.3'::ltree @> '1.2.3.4'::ltree; + +select 'a.b.c.d.e'::ltree ~ 'a.b.c.d.e'; +select 'a.b.c.d.e'::ltree ~ 'A.b.c.d.e'; +select 'a.b.c.d.e'::ltree ~ 'A@.b.c.d.e'; +select 'aa.b.c.d.e'::ltree ~ 'A@.b.c.d.e'; +select 'aa.b.c.d.e'::ltree ~ 'A*.b.c.d.e'; +select 'aa.b.c.d.e'::ltree ~ 'A*@.b.c.d.e'; +select 'aa.b.c.d.e'::ltree ~ 'A*@|g.b.c.d.e'; +select 'g.b.c.d.e'::ltree ~ 'A*@|g.b.c.d.e'; +select 'a.b.c.d.e'::ltree ~ 'a.b.c.d.e'; +select 'a.b.c.d.e'::ltree ~ 'a.*.e'; +select 'a.b.c.d.e'::ltree ~ 'a.*{3}.e'; +select 'a.b.c.d.e'::ltree ~ 'a.*{2}.e'; +select 'a.b.c.d.e'::ltree ~ 'a.*{4}.e'; +select 'a.b.c.d.e'::ltree ~ 'a.*{,4}.e'; +select 'a.b.c.d.e'::ltree ~ 'a.*{2,}.e'; +select 'a.b.c.d.e'::ltree ~ 'a.*{2,4}.e'; +select 'a.b.c.d.e'::ltree ~ 'a.*{2,3}.e'; +select 'a.b.c.d.e'::ltree ~ 'a.*{2,3}'; +select 'a.b.c.d.e'::ltree ~ 'a.*{2,4}'; +select 'a.b.c.d.e'::ltree ~ 'a.*{2,5}'; +select 'a.b.c.d.e'::ltree ~ '*{2,3}.e'; +select 'a.b.c.d.e'::ltree ~ '*{2,4}.e'; +select 'a.b.c.d.e'::ltree ~ '*{2,5}.e'; +select 'a.b.c.d.e'::ltree ~ '*.e'; +select 'a.b.c.d.e'::ltree ~ '*.e.*'; +select 'a.b.c.d.e'::ltree ~ '*.d.*'; +select 'a.b.c.d.e'::ltree ~ '*.a.*.d.*'; +select 'a.b.c.d.e'::ltree ~ '*.!d.*'; +select 'a.b.c.d.e'::ltree ~ '*.!d'; +select 'a.b.c.d.e'::ltree ~ '!d.*'; +select 'a.b.c.d.e'::ltree ~ '!a.*'; +select 'a.b.c.d.e'::ltree ~ '*.!e'; +select 'a.b.c.d.e'::ltree ~ '*.!e.*'; +select 'a.b.c.d.e'::ltree ~ 'a.*.!e'; +select 'a.b.c.d.e'::ltree ~ 'a.*.!d'; +select 'a.b.c.d.e'::ltree ~ 'a.*.!d.*'; +select 'a.b.c.d.e'::ltree ~ 'a.*.!f.*'; +select 'a.b.c.d.e'::ltree ~ '*.a.*.!f.*'; +select 'a.b.c.d.e'::ltree ~ '*.a.*.!d.*'; +select 'a.b.c.d.e'::ltree ~ '*.a.!d.*'; +select 'a.b.c.d.e'::ltree ~ '*.a.!d'; +select 'a.b.c.d.e'::ltree ~ 'a.!d.*'; +select 'a.b.c.d.e'::ltree ~ '*.a.*.!d.*'; +select 'a.b.c.d.e'::ltree ~ '*.!b.*'; +select 'a.b.c.d.e'::ltree ~ '*.!b.c.*'; +select 'a.b.c.d.e'::ltree ~ '*.!b.*.c.*'; +select 'a.b.c.d.e'::ltree ~ '!b.*.c.*'; +select 'a.b.c.d.e'::ltree ~ '!b.b.*'; +select 'a.b.c.d.e'::ltree ~ '!b.*.e'; +select 'a.b.c.d.e'::ltree ~ '!b.!c.*.e'; +select 'a.b.c.d.e'::ltree ~ '!b.*.!c.*.e'; +select 'a.b.c.d.e'::ltree ~ '*{2}.!b.*.!c.*.e'; +select 'a.b.c.d.e'::ltree ~ '*{1}.!b.*.!c.*.e'; +select 'a.b.c.d.e'::ltree ~ '*{1}.!b.*{1}.!c.*.e'; +select 'a.b.c.d.e'::ltree ~ 'a.!b.*{1}.!c.*.e'; +select 'a.b.c.d.e'::ltree ~ '!b.*{1}.!c.*.e'; +select 'a.b.c.d.e'::ltree ~ '*.!b.*{1}.!c.*.e'; +select 'a.b.c.d.e'::ltree ~ '*.!b.*.!c.*.e'; +select 'a.b.c.d.e'::ltree ~ '!b.!c.*'; +select 'a.b.c.d.e'::ltree ~ '!b.*.!c.*'; +select 'a.b.c.d.e'::ltree ~ '*{2}.!b.*.!c.*'; +select 'a.b.c.d.e'::ltree ~ '*{1}.!b.*.!c.*'; +select 'a.b.c.d.e'::ltree ~ '*{1}.!b.*{1}.!c.*'; +select 'a.b.c.d.e'::ltree ~ 'a.!b.*{1}.!c.*'; +select 'a.b.c.d.e'::ltree ~ '!b.*{1}.!c.*'; +select 'a.b.c.d.e'::ltree ~ '*.!b.*{1}.!c.*'; +select 'a.b.c.d.e'::ltree ~ '*.!b.*.!c.*'; + +select 'QWER_TY'::ltree ~ 'q%@*'; +select 'QWER_TY'::ltree ~ 'Q_t%@*'; +select 'QWER_GY'::ltree ~ 'q_t%@*'; + +--ltxtquery +select '!tree & aWdf@*'::ltxtquery; +select 'tree & aw_qw%*'::ltxtquery; +select 'ltree.awdfg'::ltree @ '!tree & aWdf@*'::ltxtquery; +select 'tree.awdfg'::ltree @ '!tree & aWdf@*'::ltxtquery; +select 'tree.awdfg'::ltree @ '!tree | aWdf@*'::ltxtquery; +select 'tree.awdfg'::ltree @ 'tree | aWdf@*'::ltxtquery; +select 'tree.awdfg'::ltree @ 'tree & aWdf@*'::ltxtquery; +select 'tree.awdfg'::ltree @ 'tree & aWdf@'::ltxtquery; +select 'tree.awdfg'::ltree @ 'tree & aWdf*'::ltxtquery; +select 'tree.awdfg'::ltree @ 'tree & aWdf'::ltxtquery; +select 'tree.awdfg'::ltree @ 'tree & awdf*'::ltxtquery; +select 'tree.awdfg'::ltree @ 'tree & aWdfg@'::ltxtquery; +select 'tree.awdfg_qwerty'::ltree @ 'tree & aw_qw%*'::ltxtquery; +select 'tree.awdfg_qwerty'::ltree @ 'tree & aw_rw%*'::ltxtquery; + +--arrays + +select '{1.2.3}'::ltree[] @> '1.2.3.4'; +select '{1.2.3.4}'::ltree[] @> '1.2.3.4'; +select '{1.2.3.4.5}'::ltree[] @> '1.2.3.4'; +select '{1.3.3}'::ltree[] @> '1.2.3.4'; +select '{5.67.8, 1.2.3}'::ltree[] @> '1.2.3.4'; +select '{5.67.8, 1.2.3.4}'::ltree[] @> '1.2.3.4'; +select '{5.67.8, 1.2.3.4.5}'::ltree[] @> '1.2.3.4'; +select '{5.67.8, 1.3.3}'::ltree[] @> '1.2.3.4'; +select '{1.2.3, 7.12.asd}'::ltree[] @> '1.2.3.4'; +select '{1.2.3.4, 7.12.asd}'::ltree[] @> '1.2.3.4'; +select '{1.2.3.4.5, 7.12.asd}'::ltree[] @> '1.2.3.4'; +select '{1.3.3, 7.12.asd}'::ltree[] @> '1.2.3.4'; +select '{ltree.asd, tree.awdfg}'::ltree[] @ 'tree & aWdfg@'::ltxtquery; +select '{j.k.l.m, g.b.c.d.e}'::ltree[] ~ 'A*@|g.b.c.d.e'; + +--exractors +select ('{3456,1.2.3.34}'::ltree[] ?@> '1.2.3.4') is null; +select '{3456,1.2.3}'::ltree[] ?@> '1.2.3.4'; +select '{3456,1.2.3.4}'::ltree[] ?<@ '1.2.3'; +select ('{3456,1.2.3.4}'::ltree[] ?<@ '1.2.5') is null; +select '{ltree.asd, tree.awdfg}'::ltree[] ?@ 'tree & aWdfg@'::ltxtquery; +select '{j.k.l.m, g.b.c.d.e}'::ltree[] ?~ 'A*@|g.b.c.d.e'; + +create table ltreetest (t ltree); +\copy ltreetest from 'data/ltree.data' + +select * from ltreetest where t < '12.3' order by t asc; +select * from ltreetest where t <= '12.3' order by t asc; +select * from ltreetest where t = '12.3' order by t asc; +select * from ltreetest where t >= '12.3' order by t asc; +select * from ltreetest where t > '12.3' order by t asc; +select * from ltreetest where t @> '1.1.1' order by t asc; +select * from ltreetest where t <@ '1.1.1' order by t asc; +select * from ltreetest where t ~ '1.1.1.*' order by t asc; +select * from ltreetest where t ~ '*.1' order by t asc; +select * from ltreetest where t ~ '23.*.1' order by t asc; +select * from ltreetest where t ~ '23.*{1}.1' order by t asc; +select * from ltreetest where t @ '23 & 1' order by t asc; + +create unique index tstidx on ltreetest (t); +set enable_seqscan=off; + +select * from ltreetest where t < '12.3' order by t asc; +select * from ltreetest where t <= '12.3' order by t asc; +select * from ltreetest where t = '12.3' order by t asc; +select * from ltreetest where t >= '12.3' order by t asc; +select * from ltreetest where t > '12.3' order by t asc; + +drop index tstidx; +create index tstidx on ltreetest using gist (t); +set enable_seqscan=off; + +select * from ltreetest where t < '12.3' order by t asc; +select * from ltreetest where t <= '12.3' order by t asc; +select * from ltreetest where t = '12.3' order by t asc; +select * from ltreetest where t >= '12.3' order by t asc; +select * from ltreetest where t > '12.3' order by t asc; +select * from ltreetest where t @> '1.1.1' order by t asc; +select * from ltreetest where t <@ '1.1.1' order by t asc; +select * from ltreetest where t ~ '1.1.1.*' order by t asc; +select * from ltreetest where t ~ '*.1' order by t asc; +select * from ltreetest where t ~ '23.*.1' order by t asc; +select * from ltreetest where t ~ '23.*{1}.1' order by t asc; +select * from ltreetest where t @ '23 & 1' order by t asc; + +create table _ltreetest (t ltree[]); +\copy _ltreetest from 'data/_ltree.data' + +select count(*) from _ltreetest where t @> '1.1.1' ; +select count(*) from _ltreetest where t <@ '1.1.1' ; +select count(*) from _ltreetest where t ~ '1.1.1.*' ; +select count(*) from _ltreetest where t ~ '*.1' ; +select count(*) from _ltreetest where t ~ '23.*.1' ; +select count(*) from _ltreetest where t ~ '23.*{1}.1' ; +select count(*) from _ltreetest where t @ '23 & 1' ; + +create index _tstidx on _ltreetest using gist (t); +set enable_seqscan=off; + +select count(*) from _ltreetest where t @> '1.1.1' ; +select count(*) from _ltreetest where t <@ '1.1.1' ; +select count(*) from _ltreetest where t ~ '1.1.1.*' ; +select count(*) from _ltreetest where t ~ '*.1' ; +select count(*) from _ltreetest where t ~ '23.*.1' ; +select count(*) from _ltreetest where t ~ '23.*{1}.1' ; +select count(*) from _ltreetest where t @ '23 & 1' ; +