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st_geomfromewkt function

Applies to: check marked yes Databricks Runtime 18.0 and above

Preview

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.

Parses an Extended Well-Known Text (EWKT) description of a geometry and returns the corresponding GEOMETRY value. The returned SRID is the SRID from ewktExpr if specified, or 0 otherwise.

Syntax​

st_geomfromewkt ( ewktExpr )

Arguments​

Returns​

GEOMETRY(ANY) representing the parsed EWKT geometry. The SRID is from ewktExpr if specified, or 0 otherwise. The function returns NULL if any of the inputs is NULL.

Error conditions​

Examples​

SQL
-- Simple example where the input EWKT does not include an SRID specification. The SRID of the output defaults to 0.
> SELECT st_srid(st_geomfromewkt('POINT Z (1 2 3)'));
  0

-- Simple example where the input EWKT contains an SRID specification.
> SELECT concat_ws(';', st_srid(g)::STRING, st_astext(g)) FROM (SELECT st_geomfromewkt('SRID=3857;POINT Z (1 2 3)') AS g);
  3857;POINT Z (1 2 3)