mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-09-01 02:07:21 +02:00
601 lines
15 KiB
C
601 lines
15 KiB
C
/*
|
|
* GiST support for ltree
|
|
* Teodor Sigaev <teodor@stack.net>
|
|
*/
|
|
|
|
#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 = ltree_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<len;j++) {
|
|
cur = GETENTRY(entryvec, j);
|
|
if ( LTG_ISONENODE(cur) ) {
|
|
curtree = LTG_NODE(cur);
|
|
hashing(base,curtree);
|
|
if ( !left || ltree_compare( left, curtree ) > 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 ltree_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);
|
|
}
|
|
|