GEOMETRYCOLLECTION
Syntax
GeometryCollection(g1,g2,...)
Description
Constructs a WKB GeometryCollection. If any argument is not a well-formed WKB representation of a geometry, the return value is NULL
.
Examples
CREATE TABLE gis_geometrycollection (g GEOMETRYCOLLECTION); SHOW FIELDS FROM gis_geometrycollection; INSERT INTO gis_geometrycollection VALUES (GeomCollFromText('GEOMETRYCOLLECTION(POINT(0 0), LINESTRING(0 0,10 10))')), (GeometryFromWKB(AsWKB(GeometryCollection(Point(44, 6), LineString(Point(3, 6), Point(7, 9)))))), (GeomFromText('GeometryCollection()')), (GeomFromText('GeometryCollection EMPTY'));
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