Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
Applies to: 
Databricks SQL Databricks Runtime 17.1 and above
Important
This feature is in Public Preview.
Note
This feature is not available on Databricks SQL Classic warehouses. To learn more about Databricks SQL warehouses, see SQL warehouse types.
Returns the minimum X coordinate of the input GEOMETRY value, or NULL if the geometry is empty.
Syntax
st_xmin ( geoExpr )
Arguments
geoExpr: AGEOMETRYvalue.
Returns
A value of type DOUBLE, equal to the minimum X coordinate of the input GEOMETRY value.
The function returns NULL if the input is NULL or if the geometry is empty.
Examples
-- Returns the minimum X coordinate of a non-empty geometry.
> SELECT st_xmin(st_geomfromtext('LINESTRING(10 34,44 57,30 24)'));
10.0
-- Returns `NULL` for an empty geometry.
> SELECT st_xmin(st_geomfromtext('POLYGON EMPTY'));
NULL