wangyum commented on a change in pull request #27252: [SPARK-29231][SQL]
Constraints should be inferred from cast equality constraint
URL: https://github.com/apache/spark/pull/27252#discussion_r374458278
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/QueryPlanConstraints.scala
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@@ -62,11 +62,16 @@ trait ConstraintHelper {
*/
def inferAdditionalConstraints(constraints: Set[Expression]):
Set[Expression] = {
var inferredConstraints = Set.empty[Expression]
+ val binaryComparisons =
constraints.filter(_.isInstanceOf[BinaryComparison])
Review comment:
The issue fix by
https://github.com/apache/spark/pull/27252/commits/420058bf35371ddb49c67ff3c893add3281aeba9.
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