validate_utf8

Returns the input value if it corresponds to a valid UTF-8 string, or emits an error otherwise.

For the corresponding Databricks SQL function, see validate_utf8 function.

Syntax

from pyspark.databricks.sql import functions as dbf

dbf.validate_utf8(str=<str>)

Parameters

Parameter	Type	Description
str	pyspark.sql.Column or str	A column of strings, each representing a UTF-8 byte sequence.

Returns

pyspark.sql.Column: the input string if it is a valid UTF-8 string, error otherwise.

Examples

from pyspark.databricks.sql import functions as dbf
spark.range(1).select(dbf.validate_utf8(dbf.lit("SparkSQL"))).show()