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st_equals function

Applies to: check marked yes Databricks SQL check marked yes Databricks Runtime 17.1 and above

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note

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 two geometries are geometrically equal, meaning they correspond to the same point set.

Syntax

st_equals ( geo1, geo2 )

Arguments

  • geo1: The first GEOMETRY value.
  • geo2: The second GEOMETRY value.

Returns

A value of type BOOLEAN.

For more details on what it means for two geometries to be equal, see the Equals predicate in the DE-9IM matrix definition.

The function returns NULL if any of the inputs is NULL.

Error conditions

Examples

SQL
-- Returns false as a point and polygon are not equal.
> SELECT st_equals(st_geomfromtext('POINT(1 1)'),st_geomfromtext('POLYGON((0 0,10 0,0 10,0 0))'));
false
-- Returns true as the two polygons are geometrically equal.
> SELECT st_equals(st_geomfromtext('POLYGON((0 0,10 0,0 10,0 0))'),st_geomfromtext('POLYGON((0 0,10 0,0 10,0 0))'));
true