vlsi commented on a change in pull request #2238:
URL: https://github.com/apache/calcite/pull/2238#discussion_r516743019
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File path: core/src/main/java/org/apache/calcite/rex/RexSimplify.java
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@@ -1330,7 +1330,7 @@ RexNode simplifyAnd(RexCall e, RexUnknownAs unknownAs) {
final SargCollector sargCollector = new SargCollector(rexBuilder, true);
operands.forEach(t -> sargCollector.accept(t, terms));
- if (sargCollector.map.values().stream().anyMatch(b -> b.complexity() > 1))
{
+ if (sargCollector.needToFix(terms.size())) {
Review comment:
What do you mean `unnecessary plan change`?
Do you mean plan changes when compared with 1.25 or 1.26?
I guess 1.26 is not really viable (since there are significant issues with
Sarg), so I would skip 1.26 from consideration with regard to plan changes.
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