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Important
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
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)')]