st_covers
function
Applies to: Databricks SQL
Databricks Runtime 17.1 and above
Preview
This feature is in Public Preview.
注記
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
covers the second GEOMETRY
.
Syntax
st_covers ( geoExpr1, geoExpr2 )
Arguments
geoExpr1
: The firstGEOMETRY
value.geoExpr2
: The secondGEOMETRY
value.
Returns
Returns true if the first geometry covers the second geometry. Currently, the expression does not support geometry collections. For more details on what it means for a geometry to cover another, 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