cuglifangzheng commented on a change in pull request #2121:
URL: https://github.com/apache/calcite/pull/2121#discussion_r478162865
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File path:
core/src/main/java/org/apache/calcite/rel/metadata/RelMdColumnOrigins.java
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@@ -65,8 +65,8 @@ private RelMdColumnOrigins() {}
public Set<RelColumnOrigin> getColumnOrigins(Aggregate rel,
RelMetadataQuery mq, int iOutputColumn) {
if (iOutputColumn < rel.getGroupCount()) {
- // Group columns pass through directly.
- return mq.getColumnOrigins(rel.getInput(), iOutputColumn);
+ // get actual index of Group columns.
+ return mq.getColumnOrigins(rel.getInput(),
rel.getGroupSet().asList().get(iOutputColumn));
Review comment:
thank you, I will try it.
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