position

Returns the position of the first occurrence of substr in str after position start. The given start and return value are 1-based.

For the corresponding Databricks SQL function, see position function.

Syntax

from pyspark.sql import functions as dbf

dbf.position(substr=<substr>, str=<str>, start=<start>)

Parameters

Parameter	Type	Description
substr	pyspark.sql.Column or str	A column of string, substring.
str	pyspark.sql.Column or str	A column of string.
start	pyspark.sql.Column or str, optional	A column of string, start position.

Examples

from pyspark.sql import functions as dbf
spark.createDataFrame(
[("bar", "foobarbar", 5,)], ["a", "b", "c"]
).select(dbf.position("a", "b", "c")).show()
spark.createDataFrame(
[("bar", "foobarbar", 5,)], ["a", "b", "c"]
).select(dbf.position("a", "b")).show()