kgyrtkirk commented on a change in pull request #544: HIVE-16924 Support
distinct in presence of Group By
URL: https://github.com/apache/hive/pull/544#discussion_r259792059
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File path: ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
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@@ -4230,6 +4229,34 @@ public static long unsetBit(long bitmap, int bitIdx) {
}
}
+ protected boolean isGroupBy(ASTNode expr) {
Review comment:
this method name suggest to me that the expression *is* a groupby; but
instead it seems it checks for wether the expression has a "brother" which is a
groupby
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