liyafan82 commented on a change in pull request #2243:
URL: https://github.com/apache/calcite/pull/2243#discussion_r517083286
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File path:
core/src/main/java/org/apache/calcite/plan/volcano/TopDownRuleDriver.java
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@@ -590,7 +593,7 @@ private RelNode convert(RelNode rel, RelSubset group) {
return null;
}
- // check whether a node's lower bound is less than a RelSubset's upper bound
+ // Check whether a node's lower bound is less than a RelSubset's upper bound.
Review comment:
Change this to a JavaDoc, and "Check" -> "Checks"?
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