kasakrisz commented on a change in pull request #2015:
URL: https://github.com/apache/hive/pull/2015#discussion_r583396781
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File path:
ql/src/java/org/apache/hadoop/hive/ql/optimizer/ParallelEdgeFixer.java
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@@ -239,4 +251,18 @@ private String extractColumnName(ExprNodeDesc expr) {
}
throw new RuntimeException("unexpected mapping expression!");
Review comment:
nit: a more specific checked exception would suit better here or just
return null a later in `colMappingInverseKeys` handle the specific exception or
null only.
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