morrySnow commented on code in PR #37644:
URL: https://github.com/apache/doris/pull/37644#discussion_r1674194865
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/jobs/executor/Rewriter.java:
##########
@@ -204,7 +204,8 @@ public class Rewriter extends AbstractBatchJobExecutor {
* TODO: group these rules to make sure the
result plan is what we expected.
*/
new CorrelateApplyToUnCorrelateApply(),
- new ApplyToJoin()
+ new ApplyToJoin(),
+ new NormalizeAggregate()
Review Comment:
why need this normalize aggregate?
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/UnCorrelatedApplyAggregateFilter.java:
##########
@@ -97,10 +100,19 @@ public List<Rule> buildRules() {
// pull up correlated filter into apply node
List<NamedExpression> newAggOutput = new
ArrayList<>(agg.getOutputExpressions());
List<Expression> newGroupby =
- Utils.getCorrelatedSlots(correlatedPredicate,
apply.getCorrelationSlot());
+ Utils.getUnCorrelatedExprs(correlatedPredicate,
apply.getCorrelationSlot());
newGroupby.addAll(agg.getGroupByExpressions());
-
newAggOutput.addAll(newGroupby.stream().map(NamedExpression.class::cast)
- .collect(ImmutableList.toImmutableList()));
+ Map<Expression, Slot> unCorrelatedExprToSlot = Maps.newHashMap();
+ newAggOutput.addAll(newGroupby.stream().map(expression -> {
+ if (expression instanceof Slot) {
+ return (NamedExpression) expression;
+ } else {
+ Alias alias = new Alias(expression);
+ unCorrelatedExprToSlot.put(expression, alias.toSlot());
+ return alias;
+ }
+ }).collect(ImmutableList.toImmutableList()));
Review Comment:
do not use stream api
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