Mulavar commented on code in PR #21545:
URL: https://github.com/apache/flink/pull/21545#discussion_r1055592769
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flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/hint/FlinkHintStrategies.java:
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@@ -62,8 +62,10 @@ public static HintStrategyTable createHintStrategyTable() {
// internal join hint used for alias
.hintStrategy(
FlinkHints.HINT_ALIAS,
- // currently, only join hints care about query block
alias
- HintStrategy.builder(HintPredicates.JOIN)
+ // currently, only correlate&join hints care about
query block alias
+ HintStrategy.builder(
+ HintPredicates.or(
+ HintPredicates.CORRELATE,
HintPredicates.JOIN))
.optionChecker(fixedSizeListOptionChecker(1))
Review Comment:
the fixedSizeListOptionChecker is used to validate alias hint, not lookup
hint.
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