mirror of
https://git.osgeo.org/gitea/postgis/postgis
synced 2024-10-24 09:02:37 +00:00
0b7294f625
ST_SetValue() to wrap around geomval variant of ST_SetValues(). This will result in a behavior change for geometry variant of ST_SetValue(). git-svn-id: http://svn.osgeo.org/postgis/trunk@10466 b70326c6-7e19-0410-871a-916f4a2858ee
81 lines
2.5 KiB
SQL
81 lines
2.5 KiB
SQL
DROP TABLE IF EXISTS raster_setvalues_rast;
|
|
CREATE TABLE raster_setvalues_rast AS
|
|
SELECT 1 AS rid, ST_AddBand(ST_MakeEmptyRaster(5, 5, 0, 0, 1, -1, 0, 0, 0), 1, '8BUI', 0, 0) AS rast
|
|
;
|
|
|
|
DROP TABLE IF EXISTS raster_setvalues_geom;
|
|
CREATE TABLE raster_setvalues_geom AS
|
|
SELECT 1 AS gid, 'SRID=0;POINT(2.5 -2.5)'::geometry geom UNION ALL
|
|
SELECT 2 AS gid, 'SRID=0;POLYGON((1 -1, 4 -1, 4 -4, 1 -4, 1 -1))'::geometry geom UNION ALL
|
|
SELECT 3 AS gid, 'SRID=0;POLYGON((0 0, 5 0, 5 -1, 1 -1, 1 -4, 0 -4, 0 0))'::geometry geom UNION ALL
|
|
SELECT 4 AS gid, 'SRID=0;MULTIPOINT(0 0, 4 4, 4 -4)'::geometry
|
|
;
|
|
|
|
SELECT
|
|
rid, gid, ST_DumpValues(ST_SetValue(rast, 1, geom, gid))
|
|
FROM raster_setvalues_rast t1
|
|
CROSS JOIN raster_setvalues_geom t2
|
|
ORDER BY rid, gid;
|
|
|
|
SELECT
|
|
t1.rid, t2.gid, t3.gid, ST_DumpValues(ST_SetValues(rast, 1, ARRAY[ROW(t2.geom, t2.gid), ROW(t3.geom, t3.gid)]::geomval[]))
|
|
FROM raster_setvalues_rast t1
|
|
CROSS JOIN raster_setvalues_geom t2
|
|
CROSS JOIN raster_setvalues_geom t3
|
|
WHERE t2.gid = 1
|
|
AND t3.gid = 2
|
|
ORDER BY t1.rid, t2.gid, t3.gid;
|
|
|
|
SELECT
|
|
t1.rid, t2.gid, t3.gid, ST_DumpValues(ST_SetValues(rast, 1, ARRAY[ROW(t3.geom, t3.gid), ROW(t2.geom, t2.gid)]::geomval[]))
|
|
FROM raster_setvalues_rast t1
|
|
CROSS JOIN raster_setvalues_geom t2
|
|
CROSS JOIN raster_setvalues_geom t3
|
|
WHERE t2.gid = 1
|
|
AND t3.gid = 2
|
|
ORDER BY t1.rid, t2.gid, t3.gid;
|
|
|
|
SELECT
|
|
t1.rid, t2.gid, t3.gid, ST_DumpValues(ST_SetValues(rast, 1, ARRAY[ROW(t3.geom, t3.gid), ROW(t2.geom, t2.gid)]::geomval[]))
|
|
FROM raster_setvalues_rast t1
|
|
CROSS JOIN raster_setvalues_geom t2
|
|
CROSS JOIN raster_setvalues_geom t3
|
|
WHERE t2.gid = 1
|
|
AND t3.gid = 3
|
|
ORDER BY t1.rid, t2.gid, t3.gid;
|
|
|
|
SELECT
|
|
t1.rid, t2.gid, t3.gid, ST_DumpValues(ST_SetValues(rast, 1, ARRAY[ROW(t3.geom, t3.gid), ROW(t2.geom, t2.gid)]::geomval[]))
|
|
FROM raster_setvalues_rast t1
|
|
CROSS JOIN raster_setvalues_geom t2
|
|
CROSS JOIN raster_setvalues_geom t3
|
|
WHERE t2.gid = 1
|
|
AND t3.gid = 4;
|
|
|
|
WITH foo AS (
|
|
SELECT
|
|
array_agg(gid) AS gid,
|
|
ST_Union(geom) AS geom
|
|
FROM raster_setvalues_geom
|
|
WHERE gid IN (1,4)
|
|
)
|
|
SELECT
|
|
t1.rid, t2.gid, ST_DumpValues(ST_SetValues(rast, 1, ARRAY[ROW(t2.geom, 99)]::geomval[]))
|
|
FROM raster_setvalues_rast t1
|
|
CROSS JOIN foo t2;
|
|
|
|
WITH foo AS (
|
|
SELECT
|
|
array_agg(gid) AS gid,
|
|
ST_Union(geom) AS geom
|
|
FROM raster_setvalues_geom
|
|
WHERE gid IN (2,3)
|
|
)
|
|
SELECT
|
|
t1.rid, t2.gid, ST_DumpValues(ST_SetValues(rast, 1, ARRAY[ROW(t2.geom, 99)]::geomval[]))
|
|
FROM raster_setvalues_rast t1
|
|
CROSS JOIN foo t2;
|
|
|
|
DROP TABLE IF EXISTS raster_setvalues_rast;
|
|
DROP TABLE IF EXISTS raster_setvalues_geom;
|