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f7946a92b6
This will allow enums to be used in exclusion constraints. The code uses the new CallerFInfoFunctionCall infrastructure in fmgr, and the support for it added to btree_gist in commit 393bb504d7. Reviewed by Tom Lane and Anastasia Lubennikova Discussion: http://postgr.es/m/56EA8A71.8060107@dunslane.net
70 lines
1.8 KiB
SQL
70 lines
1.8 KiB
SQL
/* contrib/btree_gist/btree_gist--1.4--1.5.sql */
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-- complain if script is sourced in psql, rather than via CREATE EXTENSION
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\echo Use "ALTER EXTENSION btree_gist UPDATE TO '1.5'" to load this file. \quit
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--
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--
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--
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-- enum ops
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--
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--
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--
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-- define the GiST support methods
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CREATE FUNCTION gbt_enum_consistent(internal,anyenum,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 gbt_enum_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 gbt_enum_fetch(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 gbt_enum_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 gbt_enum_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 gbt_enum_union(internal, internal)
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RETURNS gbtreekey8
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION gbt_enum_same(gbtreekey8, gbtreekey8, 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 the operator class
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CREATE OPERATOR CLASS gist_enum_ops
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DEFAULT FOR TYPE anyenum USING gist
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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 gbt_enum_consistent (internal, anyenum, int2, oid, internal),
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FUNCTION 2 gbt_enum_union (internal, internal),
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FUNCTION 3 gbt_enum_compress (internal),
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FUNCTION 4 gbt_decompress (internal),
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FUNCTION 5 gbt_enum_penalty (internal, internal, internal),
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FUNCTION 6 gbt_enum_picksplit (internal, internal),
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FUNCTION 7 gbt_enum_same (gbtreekey8, gbtreekey8, internal),
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STORAGE gbtreekey8;
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ALTER OPERATOR FAMILY gist_enum_ops USING gist ADD
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OPERATOR 6 <> (anyenum, anyenum) ,
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FUNCTION 9 (anyenum, anyenum) gbt_enum_fetch (internal) ;
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