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Important
This feature is in Public Preview.
Parses the WKT description and returns the corresponding Geometry value.
For the corresponding Databricks SQL function, see st_geomfromwkt function.
Syntax
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
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()
[Row(result='LINESTRING(5 6,7 -8)')]
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()
[Row(result='LINESTRING(5 6,7 -8)')]