zhenyu-hou commented on a change in pull request #1772: [CALCITE-3744]
Duplicate rule matches when RelSet gets merged
URL: https://github.com/apache/calcite/pull/1772#discussion_r368803682
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File path:
core/src/main/java/org/apache/calcite/plan/volcano/VolcanoRuleMatch.java
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@@ -145,16 +144,16 @@ private String computeDigest() {
if (i > 0) {
buf.append(", ");
Review comment:
as we are changing how the digest is computed anyway, we can simplify this
as buf.append(',');
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