wanglijie95 commented on code in PR #23216:
URL: https://github.com/apache/flink/pull/23216#discussion_r1302695113
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flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/plan/optimize/program/FlinkRuntimeFilterProgram.java:
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@@ -492,11 +503,18 @@ private static RelNode
tryPushDownProbeAndInjectRuntimeFilter(
// we may find more cases later
}
- return createNewProbeWithRuntimeFilter(
- ignoreExchange(buildSideInfo.buildSide),
- ignoreExchange(rel),
- buildSideInfo.buildIndices,
- probeIndices);
+ if (filterHasBenefit) {
+ return createNewProbeWithRuntimeFilter(
+ ignoreExchange(buildSideInfo.buildSide),
+ ignoreExchange(rel),
+ buildSideInfo.buildIndices,
+ probeIndices);
+ } else {
+ // If the probe side is a direct table source, or only simple
Calc, no other operations,
Review Comment:
Yes, test `testProbeSideIsTableSourceWithoutExchange`
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