st_geomfromwkt

Preview

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Parses the WKT description and returns the corresponding Geometry value.

For the corresponding Databricks SQL function, see st_geomfromwkt function.

Syntax

Python

from pyspark.databricks.sql import functions as dbf

dbf.st_geomfromwkt(col1=<col1>, col2=<col2>)

Parameters

Parameter	Type	Description
col1	pyspark.sql.Column or str	A string in WKT format, representing a geometry value.
col2	pyspark.sql.Column or int, optional	The optional SRID of the geometry. Default is 0.

Examples

Python

from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([('LINESTRING(5 6,7 -8)',)], ['wkt'])
df.select(dbf.st_astext(dbf.st_geomfromwkt('wkt')).alias('result')).collect()

Output

[Row(result='LINESTRING(5 6,7 -8)')]

Python

from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([('LINESTRING(5 6,7 -8)', 3857,)], ['wkt', 'srid'])
df.select(dbf.st_astext(dbf.st_geomfromwkt('wkt', 'srid')).alias('result')).collect()

Output

[Row(result='LINESTRING(5 6,7 -8)')]