Github user AlekseiS commented on the issue: https://github.com/apache/spark/pull/13893 @liancheng I think partition predicates are a bit different. If you explicitly specify a partition predicate, like "date=2016-06-27", do you really expect other partitions being scanned regardless of whether you use non-deterministic function or not? Most likely, no, so if partition filter is specified and it's deterministic it's expected to be always used. For this reason, I think that it's always correct to push filters which only reference partition columns to the scan. @jiangxb1987 do you think you could modify the patch to do it?
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