zabetak commented on a change in pull request #1273: [hotfix]fix the javadoc
typo in RelOptRule.java.(Wenhui Tang)
URL: https://github.com/apache/calcite/pull/1273#discussion_r296228229
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File path: core/src/main/java/org/apache/calcite/plan/RelOptRule.java
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@@ -536,7 +536,7 @@ public RelTrait getOutTrait() {
* Returns the description of this rule.
*
* <p>It must be unique (for rules that are not equal) and must consist of
- * only the characters A-Z, a-z, 0-9, '_', '.', '(', ')'. It must start with
+ * only the characters A-Z, a-z, 0-9, '-', '_', '.', '(', ')'. It must start
with
Review comment:
@wenhuitang yes merge it with #1275 and close this one ;)
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