Bemærk
Adgang til denne side kræver godkendelse. Du kan prøve at logge på eller ændre mapper.
Adgang til denne side kræver godkendelse. Du kan prøve at ændre mapper.
Important
This feature is in Public Preview. You can confirm preview enrollment on the Previews page. See Manage Azure Databricks previews.
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)')]