Skip to main content

st_removepoint

Preview

This feature is in Public Preview.

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

For the corresponding Databricks SQL function, see st_removepoint function.

Syntax

Python
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

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