st_covers function
Applies to: 
Databricks SQL Databricks Runtime 17.1 and above
Preview
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nota
This feature is not available on Databricks SQL Classic warehouses. To learn more about Databricks SQL warehouses, see SQL warehouse types.
Returns true if the first GEOMETRY value covers the second GEOMETRY value.
Syntax
st_covers ( geoExpr1, geoExpr2 )
Arguments
geoExpr1: The firstGEOMETRYvalue.geoExpr2: The secondGEOMETRYvalue.
Returns
A value of type BOOLEAN, indicating whether the first GEOMETRY value covers the second GEOMETRY value.
The function does not support geometry collections.
For more details and the formal definition, see the Covers predicate in the DE-9IM matrix definition.
Error conditions
- If any of the two input geometries is a geometry collection, the function returns ST_INVALID_ARGUMENT.INVALID_TYPE.
- If the two input geometries have different SRID values, the function returns ST_DIFFERENT_SRID_VALUES.
Examples
SQL
> SELECT st_covers(st_geomfromtext('POLYGON((0 0,10 0,0 10,0 0))'),st_geomfromtext('POINT(1 1)'));
true
> SELECT st_covers(st_geomfromtext('POLYGON((0 0,10 0,0 10,0 0))'),st_geomfromtext('POINT(5 0)'));
true
> SELECT st_covers(st_geomfromtext('POLYGON((0 0,10 0,0 10,0 0))'),st_geomfromtext('POINT(5 6)'));
false