morningman commented on pull request #4836:
URL: https://github.com/apache/incubator-doris/pull/4836#issuecomment-723462134
I think if the predicate like `substr(`dt`, 7, 8) in ('09')`, we should not
do the partition prunner.
So here:
https://github.com/apache/incubator-doris/blob/f40868a4805f0ba503bcca9a9c04f704b61c121b/fe/fe-core/src/main/java/org/apache/doris/planner/SingleNodePlanner.java#L958-L972
We should check if `inPredicate.getChild(0)` is not a slotRef, do not create
partition filter for it.
So it won't goes to the `compareLiteral()` logic.
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