1 2 3 4 5 6 7
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CompressGeometry - GEOMETRYCOLLECTION Z (2 Linestrings)
:memory: #use in-memory database
SELECT AsText(CompressGeometry(GeomFromText('GEOMETRYCOLLECTIONZ(LINESTRINGZ(1 2 100, 3 4 101, 5 6 102), LINESTRINGZ(7 7 101, 8 8 102, 9 9 103))', 4326)))
1 # rows (not including the header row)
1 # columns
AsText(CompressGeometry(GeomFromText('GEOMETRYCOLLECTIONZ(LINESTRINGZ(1 2 100, 3 4 101, 5 6 102), LINESTRINGZ(7 7 101, 8 8 102, 9 9 103))', 4326)))
GEOMETRYCOLLECTION Z(LINESTRING Z(1 2 100, 3 4 101, 5 6 102), LINESTRING Z(7 7 101, 8 8 102, 9 9 103))
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