self-hosted/postgis
self-hosted/postgis
1
0
Fork 0
mirror of https://git.osgeo.org/gitea/postgis/postgis synced 2024-10-26 10:02:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added fast collect() and geomunion() aggregates implementations

Browse source 
git-svn-id: http://svn.osgeo.org/postgis/trunk@352 b70326c6-7e19-0410-871a-916f4a2858ee
This commit is contained in:
Sandro Santilli 2003-11-05 18:26:54 +00:00
parent 9cfeb9f33b
commit 73e62e75f5
1 changed files with 49 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

64
Attic/postgis_sql_common.sql.in
View file

@ -12,6 +12,9 @@
--
-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-- $Log$
-- Revision 1.19 2003/11/05 18:26:54 strk
-- Added fast collect() and geomunion() aggregates implementations
--
-- Revision 1.18 2003/10/28 11:18:27 strk
-- Added Algorithms section and simplify() enabler code
--
@ -1022,6 +1025,11 @@ CREATE FUNCTION box3dtobox(box3d)
-- Aggregate functions
--
CREATE FUNCTION geom_accum (geometry[],geometry)
RETURNS geometry[]
AS '@MODULE_FILENAME@'
LANGUAGE 'C';
CREATE FUNCTION combine_bbox(box3d,geometry)
RETURNS box3d
AS '@MODULE_FILENAME@'
@ -1038,12 +1046,25 @@ CREATE FUNCTION collector(geometry,geometry)
AS '@MODULE_FILENAME@'
LANGUAGE 'C';
CREATE AGGREGATE collect(
CREATE AGGREGATE memcollect(
sfunc = collector,
basetype = geometry,
stype = geometry
);
CREATE FUNCTION collect_garray (geometry[])
RETURNS geometry
AS '@MODULE_FILENAME@'
LANGUAGE 'C';
CREATE AGGREGATE collect (
sfunc = geom_accum,
basetype = geometry,
stype = geometry[],
finalfunc = collect_garray
);
--
-- Operator definitions
--
@ -1235,23 +1256,36 @@ CREATE FUNCTION buffer(geometry,float8)
RETURNS geometry
AS '@MODULE_FILENAME@','symdifference'
LANGUAGE 'C' WITH (isstrict);
CREATE FUNCTION symmetricdifference(geometry,geometry)
RETURNS geometry
AS '@MODULE_FILENAME@','symdifference'
LANGUAGE 'C' WITH (isstrict);
CREATE FUNCTION GeomUnion(geometry,geometry)
RETURNS geometry
AS '@MODULE_FILENAME@','geomunion'
LANGUAGE 'C' WITH (isstrict);
CREATE AGGREGATE unite (
CREATE FUNCTION symmetricdifference(geometry,geometry)
RETURNS geometry
AS '@MODULE_FILENAME@','symdifference'
LANGUAGE 'C' WITH (isstrict);
CREATE FUNCTION GeomUnion(geometry,geometry)
RETURNS geometry
AS '@MODULE_FILENAME@','geomunion'
LANGUAGE 'C' WITH (isstrict);
CREATE AGGREGATE MemGeomUnion (
basetype = geometry,
sfunc = geomunion,
stype = geometry );
stype = geometry
);
CREATE FUNCTION unite_garray (geometry[])
RETURNS geometry
AS '@MODULE_FILENAME@'
LANGUAGE 'C';
CREATE AGGREGATE GeomUnion (
sfunc = geom_accum,
basetype = geometry,
stype = geometry[],
finalfunc = unite_garray
);
CREATE FUNCTION relate(geometry,geometry)