deniskuzZ commented on code in PR #5409:
URL: https://github.com/apache/hive/pull/5409#discussion_r1820428234
##########
ql/src/java/org/apache/hadoop/hive/ql/optimizer/metainfo/annotation/OpTraitsRulesProcFactory.java:
##########
@@ -158,8 +158,57 @@ public Object process(Node nd, Stack<Node> stack,
NodeProcessorCtx procCtx,
}
}
- listBucketCols.add(bucketCols);
- OpTraits opTraits = new OpTraits(listBucketCols, numBuckets,
+ final List<List<String>> listBucketCols = new ArrayList<>();
+ final List<CustomBucketFunction> bucketFunctions = new ArrayList<>();
+ final int numBuckets;
+ if (parentOpTraits == null || !parentOpTraits.hasCustomBucketFunction())
{
+ // No CustomBucketFunctions
+ listBucketCols.add(bucketCols);
+ bucketFunctions.add(null);
+ numBuckets = parentOpTraits == null ? -1 :
parentOpTraits.getNumBuckets();
+ } else if (parentOpTraits.getCustomBucketFunctions().size() > 1) {
+ // We don't know how to merge multiple custom bucket functions. Reset
bucket attributes
+ Preconditions.checkState(parentOpTraits.getBucketColNames().size() >
1);
+ listBucketCols.add(Collections.emptyList());
+ bucketFunctions.add(null);
+ numBuckets = -1;
+ } else {
+ Preconditions.checkState(parentOpTraits.getBucketColNames().size() ==
1);
+
Preconditions.checkState(parentOpTraits.getCustomBucketFunctions().size() == 1);
+ final Map<String, String> inputToOutput = rs
+ .getColumnExprMap()
+ .entrySet()
+ .stream()
+ .filter(entry -> entry.getValue() instanceof ExprNodeColumnDesc)
+ .filter(entry ->
rs.getConf().getKeyCols().stream().anyMatch(keyDesc ->
keyDesc.isSame(entry.getValue())))
Review Comment:
ok, maybe then in follow-up PR
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