st_removepoint

Important

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

Removes the n-th point from the input linestring Geography or Geometry.

For the corresponding Databricks SQL function, see st_removepoint function.

Syntax

from pyspark.databricks.sql import functions as dbf

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

Parameters

Parameter	Type	Description
col1	pyspark.sql.Column or str	A Geography or Geometry value.
col2	pyspark.sql.Column or int	A 1-based position in the linestring indicating the point that should be removed.

Examples

from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([('LINESTRING(1 2,3 4,5 6)',)], ['wkt'])
df.select(dbf.st_asewkt(dbf.st_removepoint(dbf.st_geogfromtext('wkt'), 2)).alias('result')).collect()

[Row(result='SRID=4326;LINESTRING(1 2,5 6)')]