raminqaf commented on code in PR #28403:
URL: https://github.com/apache/flink/pull/28403#discussion_r3413458431
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flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/planner/plan/optimize/program/FlinkChangelogModeInferenceProgram.scala:
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@@ -114,9 +114,24 @@ class FlinkChangelogModeInferenceProgram extends
FlinkOptimizeProgram[StreamOpti
// step4: sanity check and return non-empty root
if (finalRoot.isEmpty) {
- val plan = FlinkRelOptUtil.toString(root, withChangelogTraits = true)
- throw new TableException(
- "Can't generate a valid execution plan for the given query:\n" + plan)
+ val errorMessage =
+ if (containsUpdates(rootWithModifyKindSet)) {
+ // Point at the failing node and its inputs instead of dumping the
whole plan.
Review Comment:
Added a clarifying comment
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