yanlin-Lynn commented on a change in pull request #1451: [CALCITE-3334]
Refinement for Substitution-Based MV Matching
URL: https://github.com/apache/calcite/pull/1451#discussion_r324966239
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File path: core/src/main/java/org/apache/calcite/plan/SubstitutionVisitor.java
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@@ -916,18 +947,22 @@ public RexSimplify getSimplify() {
* Result of an application of a {@link UnifyRule} indicating that the
* rule successfully matched {@code query} against {@code target} and
* generated a {@code result} that is equivalent to {@code query} and
- * contains {@code target}.
+ * contains {@code target}. {@code triedEnough} indicates whether there's
Review comment:
how can we know when is enough?
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