MaxGekk commented on code in PR #48499:
URL: https://github.com/apache/spark/pull/48499#discussion_r1803826795
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python/pyspark/sql/functions/builtin.py:
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@@ -7248,6 +7248,41 @@ def log2(col: "ColumnOrName") -> Column:
return _invoke_function_over_columns("log2", col)
+@_try_remote_functions
+def try_conv(col: "ColumnOrName", fromBase: int, toBase: int) -> Column:
+ """
+ This is a special version of `conv` that performs the same operation, but
returns a
+ NULL value instead of raising an error if the decoding cannot be performed.
+
+ .. versionadded:: 4.0.0
+
+ Parameters
+ ----------
+ col : :class:`~pyspark.sql.Column` or str
+ a column to convert base for.
+ fromBase: int
+ from base number.
+ toBase: int
+ to base number.
+
+ Returns
+ -------
+ :class:`~pyspark.sql.Column`
+ logariphm of given value.
+
+ Examples
+ --------
+ >>> df = spark.createDataFrame([("010101",)], ['n'])
+ >>> df.select(try_conv(df.n, 2, 16).alias('hex')).collect()
+ [Row(hex='15')]
Review Comment:
can you show an example of NULL result?
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