1Centroid - toxic
2:memory: #use in-memory database
3SELECT astext(centroid(GeomFromText('POLYGON((136 -35, 135.2 -34.5, 136 -35.2, 136 -35, 135.2 -34.5))')));
41 # rows (not including the header row)
51 # columns
6astext(centroid(GeomFromText('POLYGON((136 -35, 135.2 -34.5, 136 -35.2, 136 -35, 135.2 -34.5))')))
7POINT(135.733333 -34.9)
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