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Returns the input value if it corresponds to a valid UTF-8 string, or NULL otherwise.
For the corresponding Databricks SQL function, see try_validate_utf8 function.
Syntax
from pyspark.databricks.sql import functions as dbf
dbf.try_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, null otherwise.
Examples
from pyspark.databricks.sql import functions as dbf
spark.range(1).select(dbf.try_validate_utf8(dbf.lit("SparkSQL"))).show()