MaxGekk commented on issue #24342: [SPARK-27438][SQL] Parse strings with timestamps by to_timestamp() in microsecond precision URL: https://github.com/apache/spark/pull/24342#issuecomment-484992279 I implemented an expression which just parses a string to timestamp, and used it in `ParseToTimestamp` as you pointed out above but one of tests failed here: https://github.com/apache/spark/blob/1470f23ec93f13d6c847832c06d40f8fc9803129/sql/core/src/test/scala/org/apache/spark/sql/DateFunctionsSuite.scala#L652-L653 . Should we support `to_timestamp` applied to non-string column with a pattern as second parameter? Does it make sense? Just in case, I tried to call different constructors using type of the first argument, but it doesn't work.
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