englefly commented on code in PR #11812:
URL: https://github.com/apache/doris/pull/11812#discussion_r950008467
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rewrite/ExpressionRewrite.java:
##########
@@ -106,15 +107,25 @@ private class JoinExpressionRewrite extends
OneRewriteRuleFactory {
@Override
public Rule build() {
return logicalJoin().then(join -> {
- Optional<Expression> condition = join.getCondition();
- if (!condition.isPresent()) {
+ List<Expression> hashJoinPredicates =
join.getHashJoinPredicates();
+ Optional<Expression> otherJoinCondition =
join.getOtherJoinCondition();
+ if (!otherJoinCondition.isPresent() &&
hashJoinPredicates.isEmpty()) {
return join;
}
- Expression newCondition = rewriter.rewrite(condition.get());
- if (newCondition.equals(condition.get())) {
+ List<Expression> rewriteHashJoinPredicates = new ArrayList<>();
+ boolean joinPredicatesChanged = false;
+ for (Expression expr : hashJoinPredicates) {
+ Expression newExpr = rewriter.rewrite(expr);
+ joinPredicatesChanged = joinPredicatesChanged ||
newExpr.equals(expr);
Review Comment:
done
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