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Important
This feature is in Public Preview.
Parses an Extended Well-Known Text (EWKT)
description of a geography and returns the corresponding Geography value. Only SRID 4326 is supported.
For the corresponding Databricks SQL function, see st_geogfromewkt function.
Syntax
from pyspark.databricks.sql import functions as dbf
dbf.st_geogfromewkt(col=<col>)
Parameters
| Parameter | Type | Description |
|---|---|---|
col |
pyspark.sql.Column or str |
A string value, representing a geography in Extended WKT (EWKT) |
format. |
Notes
The SRID of the returned Geography value is 4326.
The function returns None if the input is None.
Examples
from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([('SRID=4326;POINT Z (1 2 3)',)], ['ewkt'])
df.select(dbf.st_asewkt(dbf.st_geogfromewkt('ewkt')).alias('result')).collect()
[Row(result='SRID=4326;POINT Z (1 2 3)')]