st_geomfromwkb

Preview

This feature is in Public Preview.

Parses the input WKB description and returns the corresponding Geometry value.

For the corresponding Databricks SQL function, see st_geomfromwkb function.

Syntax

Python

from pyspark.databricks.sql import functions as dbf

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

Parameters

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

Examples

Python

from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([(bytes.fromhex('010200000002000000000000000000144000000000000018400000000000001c4000000000000020c0'),)], ['wkb'])
df.select(dbf.st_asewkt(dbf.st_geomfromwkb('wkb')).alias('result')).collect()

Output

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

Python

from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([(bytes.fromhex('010200000002000000000000000000144000000000000018400000000000001c4000000000000020c0'), 4326,)], ['wkb', 'srid'])
df.select(dbf.st_asewkt(dbf.st_geomfromwkb('wkb', 'srid')).alias('result')).collect()

Output

[Row(result='SRID=4326;LINESTRING(5 6,7 -8)')]