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ST_DelaunayTriangulation XY - (only_edges=no)
:memory: #use in-memory database
SELECT ST_Equals(ST_DelaunayTriangulation(GeomFromText('MULTIPOINT(0 0, 1 1, 2 2, 0 1, 2 1)'), 0), GeomFromText('MULTIPOLYGON(((0 1, 1 1, 0 0, 0 1)), ((0 1, 2 2, 1 1, 0 1)), ((2 2, 2 1, 1 1, 2 2)), ((0 0, 1 1, 2 1, 0 0)))'));
1 # rows (not including the header row)
1 # columns
ST_Equals(ST_DelaunayTriangulation(GeomFromText('MULTIPOINT(0 0, 1 1, 2 2, 0 1, 2 1)'), 0), GeomFromText('MULTIPOLYGON(((0 1, 1 1, 0 0, 0 1)), ((0 1, 2 2, 1 1, 0 1)), ((2 2, 2 1, 1 1, 2 2)), ((0 0, 1 1, 2 1, 0 0)))'))
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