deniskuzZ commented on code in PR #5409:
URL: https://github.com/apache/hive/pull/5409#discussion_r1813138723
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ql/src/java/org/apache/hadoop/hive/ql/optimizer/metainfo/annotation/OpTraitsRulesProcFactory.java:
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@@ -367,34 +430,48 @@ public List<List<String>> getConvertedColNames(
public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx,
Object... nodeOutputs) throws SemanticException {
SelectOperator selOp = (SelectOperator) nd;
- List<List<String>> parentBucketColNames =
- selOp.getParentOperators().get(0).getOpTraits().getBucketColNames();
+ OpTraits parentOpTraits =
selOp.getParentOperators().get(0).getOpTraits();
+ List<List<String>> parentBucketColNames =
parentOpTraits.getBucketColNames();
List<List<String>> listBucketCols = null;
List<List<String>> listSortCols = null;
if (selOp.getColumnExprMap() != null) {
if (parentBucketColNames != null) {
listBucketCols = getConvertedColNames(parentBucketColNames, selOp,
false);
}
- List<List<String>> parentSortColNames =
- selOp.getParentOperators().get(0).getOpTraits().getSortCols();
+ List<List<String>> parentSortColNames = parentOpTraits.getSortCols();
if (parentSortColNames != null) {
listSortCols = getConvertedColNames(parentSortColNames, selOp, true);
}
}
- int numBuckets = -1;
- int numReduceSinks = 0;
- OpTraits parentOpTraits =
selOp.getParentOperators().get(0).getOpTraits();
- if (parentOpTraits != null) {
- // if bucket columns are empty, then numbuckets must be set to -1.
- if (listBucketCols != null &&
- !(listBucketCols.isEmpty() || listBucketCols.get(0).isEmpty())) {
- numBuckets = parentOpTraits.getNumBuckets();
+ final List<CustomBucketFunction> bucketFunctions;
+ if (listBucketCols == null) {
+ bucketFunctions = null;
Review Comment:
set it to 'null' by default
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