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gatorsmile
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#### What changes were proposed in this pull request? Remove all the deterministic conditions in a [[Filter]] that are contained in the Child's Constraints. For example, the first query can be simplified to the second one. ```scala val queryWithUselessFilter = tr1 .where("tr1.a".attr > 10 || "tr1.c".attr < 10) .join(tr2.where('d.attr < 100), Inner, Some("tr1.a".attr === "tr2.a".attr)) .where( ("tr1.a".attr > 10 || "tr1.c".attr < 10) && 'd.attr < 100 && "tr2.a".attr === "tr1.a".attr) ``` ```scala val query = tr1 .where("tr1.a".attr > 10 || "tr1.c".attr < 10) .join(tr2.where('d.attr < 100), Inner, Some("tr1.a".attr === "tr2.a".attr)) ``` #### How was this patch tested? Six test cases are added. Author: gatorsmile <gatorsmile@gmail.com> Closes #11406 from gatorsmile/FilterRemoval.
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