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The conventions specified by the GiST SGML documentation were widely ignored. For example, the strategy-number argument for "consistent" and "distance" functions is specified to be a smallint, but most of the built-in support functions declared it as an integer, and for that matter the core code passed it using Int32GetDatum not Int16GetDatum. None of that makes any real difference at runtime, but it's quite confusing for newcomers to the code, and it makes it very hard to write an amvalidate() function that checks support function signatures. So let's try to instill some consistency here. Another similar issue is that the "query" argument is not of a single well-defined type, but could have different types depending on the strategy (corresponding to search operators with different righthand-side argument types). Some of the functions threw up their hands and declared the query argument as being of "internal" type, which surely isn't right ("any" would have been more appropriate); but the majority position seemed to be to declare it as being of the indexed data type, corresponding to a search operator with both input types the same. So I've specified a convention that that's what to do always. Also, the result of the "union" support function actually must be of the index's storage type, but the documentation suggested declaring it to return "internal", and some of the functions followed that. Standardize on telling the truth, instead. Similarly, standardize on declaring the "same" function's inputs as being of the storage type, not "internal". Also, somebody had forgotten to add the "recheck" argument to both the documentation of the "distance" support function and all of their SQL declarations, even though the C code was happily using that argument. Clean that up too. Fix up some other omissions in the docs too, such as documenting that union's second input argument is vestigial. So far as the errors in core function declarations go, we can just fix pg_proc.h and bump catversion. Adjusting the erroneous declarations in contrib modules is more debatable: in principle any change in those scripts should involve an extension version bump, which is a pain. However, since these changes are purely cosmetic and make no functional difference, I think we can get away without doing that.
873 lines
18 KiB
SQL
873 lines
18 KiB
SQL
/* contrib/ltree/ltree--1.0.sql */
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-- complain if script is sourced in psql, rather than via CREATE EXTENSION
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\echo Use "CREATE EXTENSION ltree" to load this file. \quit
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CREATE FUNCTION ltree_in(cstring)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltree_out(ltree)
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RETURNS cstring
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE TYPE ltree (
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INTERNALLENGTH = -1,
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INPUT = ltree_in,
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OUTPUT = ltree_out,
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STORAGE = extended
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);
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--Compare function for ltree
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CREATE FUNCTION ltree_cmp(ltree,ltree)
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RETURNS int4
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltree_lt(ltree,ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltree_le(ltree,ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltree_eq(ltree,ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltree_ge(ltree,ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltree_gt(ltree,ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltree_ne(ltree,ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR < (
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LEFTARG = ltree,
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RIGHTARG = ltree,
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PROCEDURE = ltree_lt,
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COMMUTATOR = '>',
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NEGATOR = '>=',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR <= (
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LEFTARG = ltree,
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RIGHTARG = ltree,
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PROCEDURE = ltree_le,
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COMMUTATOR = '>=',
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NEGATOR = '>',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR >= (
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LEFTARG = ltree,
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RIGHTARG = ltree,
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PROCEDURE = ltree_ge,
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COMMUTATOR = '<=',
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NEGATOR = '<',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR > (
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LEFTARG = ltree,
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RIGHTARG = ltree,
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PROCEDURE = ltree_gt,
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COMMUTATOR = '<',
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NEGATOR = '<=',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR = (
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LEFTARG = ltree,
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RIGHTARG = ltree,
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PROCEDURE = ltree_eq,
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COMMUTATOR = '=',
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NEGATOR = '<>',
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RESTRICT = eqsel,
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JOIN = eqjoinsel,
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SORT1 = '<',
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SORT2 = '<'
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);
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CREATE OPERATOR <> (
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LEFTARG = ltree,
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RIGHTARG = ltree,
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PROCEDURE = ltree_ne,
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COMMUTATOR = '<>',
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NEGATOR = '=',
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RESTRICT = neqsel,
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JOIN = neqjoinsel
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);
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--util functions
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CREATE FUNCTION subltree(ltree,int4,int4)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION subpath(ltree,int4,int4)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION subpath(ltree,int4)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION index(ltree,ltree)
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RETURNS int4
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AS 'MODULE_PATHNAME', 'ltree_index'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION index(ltree,ltree,int4)
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RETURNS int4
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AS 'MODULE_PATHNAME', 'ltree_index'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION nlevel(ltree)
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RETURNS int4
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltree2text(ltree)
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RETURNS text
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION text2ltree(text)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION lca(_ltree)
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RETURNS ltree
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AS 'MODULE_PATHNAME','_lca'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION lca(ltree,ltree)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION lca(ltree,ltree,ltree)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION lca(ltree,ltree,ltree,ltree)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION lca(ltree,ltree,ltree,ltree,ltree)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION lca(ltree,ltree,ltree,ltree,ltree,ltree)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION lca(ltree,ltree,ltree,ltree,ltree,ltree,ltree)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION lca(ltree,ltree,ltree,ltree,ltree,ltree,ltree,ltree)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltree_isparent(ltree,ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltree_risparent(ltree,ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltree_addltree(ltree,ltree)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltree_addtext(ltree,text)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltree_textadd(text,ltree)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltreeparentsel(internal, oid, internal, integer)
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RETURNS float8
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR @> (
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LEFTARG = ltree,
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RIGHTARG = ltree,
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PROCEDURE = ltree_isparent,
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COMMUTATOR = '<@',
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RESTRICT = ltreeparentsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ^@> (
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LEFTARG = ltree,
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RIGHTARG = ltree,
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PROCEDURE = ltree_isparent,
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COMMUTATOR = '^<@',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR <@ (
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LEFTARG = ltree,
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RIGHTARG = ltree,
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PROCEDURE = ltree_risparent,
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COMMUTATOR = '@>',
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RESTRICT = ltreeparentsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ^<@ (
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LEFTARG = ltree,
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RIGHTARG = ltree,
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PROCEDURE = ltree_risparent,
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COMMUTATOR = '^@>',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR || (
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LEFTARG = ltree,
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RIGHTARG = ltree,
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PROCEDURE = ltree_addltree
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);
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CREATE OPERATOR || (
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LEFTARG = ltree,
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RIGHTARG = text,
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PROCEDURE = ltree_addtext
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);
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CREATE OPERATOR || (
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LEFTARG = text,
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RIGHTARG = ltree,
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PROCEDURE = ltree_textadd
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);
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-- B-tree support
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CREATE OPERATOR CLASS ltree_ops
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DEFAULT FOR TYPE ltree USING btree AS
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OPERATOR 1 < ,
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OPERATOR 2 <= ,
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OPERATOR 3 = ,
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OPERATOR 4 >= ,
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OPERATOR 5 > ,
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FUNCTION 1 ltree_cmp(ltree, ltree);
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--lquery type
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CREATE FUNCTION lquery_in(cstring)
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RETURNS lquery
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION lquery_out(lquery)
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RETURNS cstring
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE TYPE lquery (
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INTERNALLENGTH = -1,
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INPUT = lquery_in,
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OUTPUT = lquery_out,
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STORAGE = extended
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);
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CREATE FUNCTION ltq_regex(ltree,lquery)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltq_rregex(lquery,ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR ~ (
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LEFTARG = ltree,
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RIGHTARG = lquery,
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PROCEDURE = ltq_regex,
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COMMUTATOR = '~',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ~ (
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LEFTARG = lquery,
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RIGHTARG = ltree,
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PROCEDURE = ltq_rregex,
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COMMUTATOR = '~',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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--not-indexed
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CREATE OPERATOR ^~ (
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LEFTARG = ltree,
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RIGHTARG = lquery,
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PROCEDURE = ltq_regex,
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COMMUTATOR = '^~',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ^~ (
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LEFTARG = lquery,
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RIGHTARG = ltree,
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PROCEDURE = ltq_rregex,
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COMMUTATOR = '^~',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE FUNCTION lt_q_regex(ltree,_lquery)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION lt_q_rregex(_lquery,ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR ? (
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LEFTARG = ltree,
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RIGHTARG = _lquery,
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PROCEDURE = lt_q_regex,
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COMMUTATOR = '?',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ? (
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LEFTARG = _lquery,
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RIGHTARG = ltree,
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PROCEDURE = lt_q_rregex,
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COMMUTATOR = '?',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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--not-indexed
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CREATE OPERATOR ^? (
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LEFTARG = ltree,
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RIGHTARG = _lquery,
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PROCEDURE = lt_q_regex,
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COMMUTATOR = '^?',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ^? (
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LEFTARG = _lquery,
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RIGHTARG = ltree,
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PROCEDURE = lt_q_rregex,
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COMMUTATOR = '^?',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE FUNCTION ltxtq_in(cstring)
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RETURNS ltxtquery
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltxtq_out(ltxtquery)
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RETURNS cstring
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE TYPE ltxtquery (
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INTERNALLENGTH = -1,
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INPUT = ltxtq_in,
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OUTPUT = ltxtq_out,
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STORAGE = extended
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);
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-- operations WITH ltxtquery
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CREATE FUNCTION ltxtq_exec(ltree, ltxtquery)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltxtq_rexec(ltxtquery, ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR @ (
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LEFTARG = ltree,
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RIGHTARG = ltxtquery,
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PROCEDURE = ltxtq_exec,
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COMMUTATOR = '@',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR @ (
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LEFTARG = ltxtquery,
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RIGHTARG = ltree,
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PROCEDURE = ltxtq_rexec,
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COMMUTATOR = '@',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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--not-indexed
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CREATE OPERATOR ^@ (
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LEFTARG = ltree,
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RIGHTARG = ltxtquery,
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PROCEDURE = ltxtq_exec,
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COMMUTATOR = '^@',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ^@ (
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LEFTARG = ltxtquery,
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RIGHTARG = ltree,
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PROCEDURE = ltxtq_rexec,
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COMMUTATOR = '^@',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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--GiST support for ltree
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CREATE FUNCTION ltree_gist_in(cstring)
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RETURNS ltree_gist
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION ltree_gist_out(ltree_gist)
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RETURNS cstring
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE TYPE ltree_gist (
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internallength = -1,
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input = ltree_gist_in,
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output = ltree_gist_out,
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storage = plain
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);
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CREATE FUNCTION ltree_consistent(internal,ltree,int2,oid,internal)
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RETURNS bool as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION ltree_compress(internal)
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RETURNS internal as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION ltree_decompress(internal)
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RETURNS internal as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION ltree_penalty(internal,internal,internal)
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RETURNS internal as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION ltree_picksplit(internal, internal)
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RETURNS internal as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION ltree_union(internal, internal)
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RETURNS ltree_gist as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION ltree_same(ltree_gist, ltree_gist, internal)
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RETURNS internal as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT;
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CREATE OPERATOR CLASS gist_ltree_ops
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DEFAULT FOR TYPE ltree USING gist AS
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OPERATOR 1 < ,
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OPERATOR 2 <= ,
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OPERATOR 3 = ,
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OPERATOR 4 >= ,
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OPERATOR 5 > ,
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OPERATOR 10 @> ,
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OPERATOR 11 <@ ,
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OPERATOR 12 ~ (ltree, lquery) ,
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OPERATOR 13 ~ (lquery, ltree) ,
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OPERATOR 14 @ (ltree, ltxtquery) ,
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OPERATOR 15 @ (ltxtquery, ltree) ,
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OPERATOR 16 ? (ltree, _lquery) ,
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OPERATOR 17 ? (_lquery, ltree) ,
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FUNCTION 1 ltree_consistent (internal, ltree, int2, oid, internal),
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FUNCTION 2 ltree_union (internal, internal),
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FUNCTION 3 ltree_compress (internal),
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FUNCTION 4 ltree_decompress (internal),
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FUNCTION 5 ltree_penalty (internal, internal, internal),
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FUNCTION 6 ltree_picksplit (internal, internal),
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FUNCTION 7 ltree_same (ltree_gist, ltree_gist, internal),
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STORAGE ltree_gist;
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-- arrays of ltree
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CREATE FUNCTION _ltree_isparent(_ltree,ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION _ltree_r_isparent(ltree,_ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION _ltree_risparent(_ltree,ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION _ltree_r_risparent(ltree,_ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION _ltq_regex(_ltree,lquery)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION _ltq_rregex(lquery,_ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION _lt_q_regex(_ltree,_lquery)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION _lt_q_rregex(_lquery,_ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION _ltxtq_exec(_ltree, ltxtquery)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION _ltxtq_rexec(ltxtquery, _ltree)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR @> (
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LEFTARG = _ltree,
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RIGHTARG = ltree,
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PROCEDURE = _ltree_isparent,
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COMMUTATOR = '<@',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR <@ (
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LEFTARG = ltree,
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RIGHTARG = _ltree,
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PROCEDURE = _ltree_r_isparent,
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COMMUTATOR = '@>',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR <@ (
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LEFTARG = _ltree,
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RIGHTARG = ltree,
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PROCEDURE = _ltree_risparent,
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COMMUTATOR = '@>',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR @> (
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LEFTARG = ltree,
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RIGHTARG = _ltree,
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PROCEDURE = _ltree_r_risparent,
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COMMUTATOR = '<@',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ~ (
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LEFTARG = _ltree,
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RIGHTARG = lquery,
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PROCEDURE = _ltq_regex,
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COMMUTATOR = '~',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ~ (
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LEFTARG = lquery,
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RIGHTARG = _ltree,
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PROCEDURE = _ltq_rregex,
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COMMUTATOR = '~',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ? (
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LEFTARG = _ltree,
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RIGHTARG = _lquery,
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PROCEDURE = _lt_q_regex,
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COMMUTATOR = '?',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ? (
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LEFTARG = _lquery,
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RIGHTARG = _ltree,
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PROCEDURE = _lt_q_rregex,
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COMMUTATOR = '?',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR @ (
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LEFTARG = _ltree,
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RIGHTARG = ltxtquery,
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PROCEDURE = _ltxtq_exec,
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COMMUTATOR = '@',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR @ (
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LEFTARG = ltxtquery,
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RIGHTARG = _ltree,
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PROCEDURE = _ltxtq_rexec,
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COMMUTATOR = '@',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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--not indexed
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CREATE OPERATOR ^@> (
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LEFTARG = _ltree,
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RIGHTARG = ltree,
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PROCEDURE = _ltree_isparent,
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COMMUTATOR = '^<@',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ^<@ (
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LEFTARG = ltree,
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RIGHTARG = _ltree,
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PROCEDURE = _ltree_r_isparent,
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COMMUTATOR = '^@>',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ^<@ (
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LEFTARG = _ltree,
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RIGHTARG = ltree,
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PROCEDURE = _ltree_risparent,
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COMMUTATOR = '^@>',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ^@> (
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LEFTARG = ltree,
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RIGHTARG = _ltree,
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PROCEDURE = _ltree_r_risparent,
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COMMUTATOR = '^<@',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ^~ (
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LEFTARG = _ltree,
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RIGHTARG = lquery,
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PROCEDURE = _ltq_regex,
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COMMUTATOR = '^~',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ^~ (
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LEFTARG = lquery,
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RIGHTARG = _ltree,
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PROCEDURE = _ltq_rregex,
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COMMUTATOR = '^~',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ^? (
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LEFTARG = _ltree,
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RIGHTARG = _lquery,
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PROCEDURE = _lt_q_regex,
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COMMUTATOR = '^?',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ^? (
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LEFTARG = _lquery,
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RIGHTARG = _ltree,
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PROCEDURE = _lt_q_rregex,
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COMMUTATOR = '^?',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ^@ (
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LEFTARG = _ltree,
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RIGHTARG = ltxtquery,
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PROCEDURE = _ltxtq_exec,
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COMMUTATOR = '^@',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ^@ (
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LEFTARG = ltxtquery,
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RIGHTARG = _ltree,
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PROCEDURE = _ltxtq_rexec,
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COMMUTATOR = '^@',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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--extractors
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CREATE FUNCTION _ltree_extract_isparent(_ltree,ltree)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR ?@> (
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LEFTARG = _ltree,
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RIGHTARG = ltree,
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PROCEDURE = _ltree_extract_isparent
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);
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CREATE FUNCTION _ltree_extract_risparent(_ltree,ltree)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR ?<@ (
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LEFTARG = _ltree,
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RIGHTARG = ltree,
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PROCEDURE = _ltree_extract_risparent
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);
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CREATE FUNCTION _ltq_extract_regex(_ltree,lquery)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR ?~ (
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LEFTARG = _ltree,
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RIGHTARG = lquery,
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PROCEDURE = _ltq_extract_regex
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);
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CREATE FUNCTION _ltxtq_extract_exec(_ltree,ltxtquery)
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RETURNS ltree
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR ?@ (
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LEFTARG = _ltree,
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RIGHTARG = ltxtquery,
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PROCEDURE = _ltxtq_extract_exec
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);
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--GiST support for ltree[]
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CREATE FUNCTION _ltree_consistent(internal,_ltree,int2,oid,internal)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION _ltree_compress(internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION _ltree_penalty(internal,internal,internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION _ltree_picksplit(internal, internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION _ltree_union(internal, internal)
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RETURNS ltree_gist
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION _ltree_same(ltree_gist, ltree_gist, internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE OPERATOR CLASS gist__ltree_ops
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DEFAULT FOR TYPE _ltree USING gist AS
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OPERATOR 10 <@ (_ltree, ltree),
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OPERATOR 11 @> (ltree, _ltree),
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OPERATOR 12 ~ (_ltree, lquery),
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OPERATOR 13 ~ (lquery, _ltree),
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OPERATOR 14 @ (_ltree, ltxtquery),
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OPERATOR 15 @ (ltxtquery, _ltree),
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OPERATOR 16 ? (_ltree, _lquery),
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OPERATOR 17 ? (_lquery, _ltree),
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FUNCTION 1 _ltree_consistent (internal, _ltree, int2, oid, internal),
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FUNCTION 2 _ltree_union (internal, internal),
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FUNCTION 3 _ltree_compress (internal),
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FUNCTION 4 ltree_decompress (internal),
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FUNCTION 5 _ltree_penalty (internal, internal, internal),
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FUNCTION 6 _ltree_picksplit (internal, internal),
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FUNCTION 7 _ltree_same (ltree_gist, ltree_gist, internal),
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STORAGE ltree_gist;
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