viirya commented on pull request #1368:
URL: https://github.com/apache/arrow-datafusion/pull/1368#issuecomment-981019635
Currently the filter_push_down rule fails on TPCH q10 with aliased on Filter
because `split_members` method doesn't address `Alias` so a predicate like
`#orders.o_orderdate >= Date32("8674") AND #orders.o_orderdate < Date32("8766")
AND #lineitem.l_returnflag = Utf8("R") AS ...` will not be split so it won't be
pushed down.
By adding `Alias` into `split_members`, the rule can push down aliased
predicate.
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