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Provides a text description of why a geometry is not valid or states that it is valid. An optional flag parameter can be provided for additional options. SQL reference: ST_IsValidReason

Signature

Parameters

ColumnOrName
required
Geometry column to validate.
Optional[Union[ColumnOrName, int]]
default:"None"
Optional flag to modify behavior of the validity check.

Returns

Column
Description of validity as a string column.