st_astext

Preview

Support for GEOGRAPHY values is in Public Preview. Support for GEOMETRY values is generally available.

Returns the input Geography or Geometry value in WKT format.

For the corresponding Databricks SQL function, see st_astext function.

Syntax

Python

from pyspark.databricks.sql import functions as dbf

dbf.st_astext(col=<col>)

Parameters

Parameter	Type	Description
col	pyspark.sql.Column or str	A geospatial value, either a Geography or Geometry.

Parameter	Type	Description
col	pyspark.sql.Column or str	A geospatial value, either a Geography or Geometry.

Examples

Python

from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([('POINT Z (2.718281 3.141592 100)',)], ['wkt'])
df.select(dbf.st_astext(dbf.st_geogfromtext('wkt')).alias('result')).collect()

Output

[Row(result='POINT Z (2.718281 3.141592 100)')]