IsValid
ISVALID(Geometry)
Alias: ST_ISVALID
Returns 1 if Geometry is valid, 0 if not, -1 if there is an error. Use this function to validate data after it is loaded.
Result type: integer
Example:
SELECT ISVALID(POLYFROMTEXT('POLYGON((0 0, 0 4, 4 4, 4 0, 0 0))'));
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col1
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1
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SELECT ISVALID(POLYFROMTEXT('POLYGON((0 0, 0 4, 4 4, 4 0, 2 6, 0 0))'));
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col1
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0
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Last modified date: 04/03/2024