jcamachor commented on a change in pull request #1357:
URL: https://github.com/apache/hive/pull/1357#discussion_r465194632
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File path:
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/HiveRelDistribution.java
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@@ -82,7 +83,14 @@ public RelDistribution apply(TargetMapping mapping) {
}
List<Integer> newKeys = new ArrayList<>(keys.size());
for (Integer key : keys) {
- newKeys.add(mapping.getTargetOpt(key));
+ // Instead of this inner for loop
newKeys.add(mapping.getTargetOpt(key)); should be called but not all the
Review comment:
nit. Can we add the mapping to a map and do the lookup, instead of
having a nested loop?
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