jnh5y commented on code in PR #25388:
URL: https://github.com/apache/flink/pull/25388#discussion_r1775188382
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flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/planner/plan/utils/FlinkRexUtil.scala:
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@@ -439,17 +439,16 @@ object FlinkRexUtil {
})
private class EquivalentExprShuttle(rexBuilder: RexBuilder) extends
RexShuttle {
- private val equiExprMap = mutable.HashMap[String, RexNode]()
+ private val equiExprSet = mutable.HashSet[RexNode]()
override def visitCall(call: RexCall): RexNode = {
call.getOperator match {
case EQUALS | NOT_EQUALS | GREATER_THAN | LESS_THAN |
GREATER_THAN_OR_EQUAL |
LESS_THAN_OR_EQUAL =>
- val swapped = swapOperands(call)
- if (equiExprMap.contains(swapped.toString)) {
- swapped
+ if (equiExprSet.contains(call)) {
Review Comment:
> 2. I faced one float issue for a couple of plans: depending on how tests
are running (just one or for the whole class) the order of operands is
different (the operator expression is valid for both).
> So need more time to debug and fix it
Interesting. Is it a bug in RexNormalize or something else?
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