mirror of
				https://github.com/postgres/postgres.git
				synced 2025-10-31 10:30:33 +03:00 
			
		
		
		
	Paul Jungwirth, reviewed and hacked on by Teodor Sigaev, Ildus Kurbangaliev, Adam Brusselback, Chris Bandy, and myself. Discussion: https://postgr.es/m/CA+renyUEE29=X01JXdz8_TQvo6n9=2XoEBBRnQ8rkLyr+kjPxQ@mail.gmail.com Discussion: https://postgr.es/m/55F6EE82.8080209@sigaev.ru
		
			
				
	
	
		
			66 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			SQL
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			SQL
		
	
	
	
	
	
| /* contrib/btree_gist/btree_gist--1.2--1.3.sql */
 | |
| 
 | |
| -- complain if script is sourced in psql, rather than via ALTER EXTENSION
 | |
| \echo Use "ALTER EXTENSION btree_gist UPDATE TO '1.3'" to load this file. \quit
 | |
| 
 | |
| -- Add support for indexing UUID columns
 | |
| 
 | |
| -- define the GiST support methods
 | |
| CREATE FUNCTION gbt_uuid_consistent(internal,uuid,int2,oid,internal)
 | |
| RETURNS bool
 | |
| AS 'MODULE_PATHNAME'
 | |
| LANGUAGE C IMMUTABLE STRICT;
 | |
| 
 | |
| CREATE FUNCTION gbt_uuid_fetch(internal)
 | |
| RETURNS internal
 | |
| AS 'MODULE_PATHNAME'
 | |
| LANGUAGE C IMMUTABLE STRICT;
 | |
| 
 | |
| CREATE FUNCTION gbt_uuid_compress(internal)
 | |
| RETURNS internal
 | |
| AS 'MODULE_PATHNAME'
 | |
| LANGUAGE C IMMUTABLE STRICT;
 | |
| 
 | |
| CREATE FUNCTION gbt_uuid_penalty(internal,internal,internal)
 | |
| RETURNS internal
 | |
| AS 'MODULE_PATHNAME'
 | |
| LANGUAGE C IMMUTABLE STRICT;
 | |
| 
 | |
| CREATE FUNCTION gbt_uuid_picksplit(internal, internal)
 | |
| RETURNS internal
 | |
| AS 'MODULE_PATHNAME'
 | |
| LANGUAGE C IMMUTABLE STRICT;
 | |
| 
 | |
| CREATE FUNCTION gbt_uuid_union(internal, internal)
 | |
| RETURNS gbtreekey32
 | |
| AS 'MODULE_PATHNAME'
 | |
| LANGUAGE C IMMUTABLE STRICT;
 | |
| 
 | |
| CREATE FUNCTION gbt_uuid_same(gbtreekey32, gbtreekey32, internal)
 | |
| RETURNS internal
 | |
| AS 'MODULE_PATHNAME'
 | |
| LANGUAGE C IMMUTABLE STRICT;
 | |
| 
 | |
| -- Create the operator class
 | |
| CREATE OPERATOR CLASS gist_uuid_ops
 | |
| DEFAULT FOR TYPE uuid USING gist
 | |
| AS
 | |
| 	OPERATOR	1	<   ,
 | |
| 	OPERATOR	2	<=  ,
 | |
| 	OPERATOR	3	=   ,
 | |
| 	OPERATOR	4	>=  ,
 | |
| 	OPERATOR	5	>   ,
 | |
| 	FUNCTION	1	gbt_uuid_consistent (internal, uuid, int2, oid, internal),
 | |
| 	FUNCTION	2	gbt_uuid_union (internal, internal),
 | |
| 	FUNCTION	3	gbt_uuid_compress (internal),
 | |
| 	FUNCTION	4	gbt_decompress (internal),
 | |
| 	FUNCTION	5	gbt_uuid_penalty (internal, internal, internal),
 | |
| 	FUNCTION	6	gbt_uuid_picksplit (internal, internal),
 | |
| 	FUNCTION	7	gbt_uuid_same (gbtreekey32, gbtreekey32, internal),
 | |
| 	STORAGE		gbtreekey32;
 | |
| 
 | |
| -- These are "loose" in the opfamily for consistency with the rest of btree_gist
 | |
| ALTER OPERATOR FAMILY gist_uuid_ops USING gist ADD
 | |
| 	OPERATOR	6	<>  (uuid, uuid) ,
 | |
| 	FUNCTION	9 (uuid, uuid) gbt_uuid_fetch (internal) ;
 |