deniskuzZ commented on code in PR #3637:
URL: https://github.com/apache/hive/pull/3637#discussion_r1000586151
##########
ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/Vectorizer.java:
##########
@@ -4635,7 +4636,26 @@ public static
ImmutablePair<VectorAggregationDesc,String> getVectorAggregationDe
"and output type: \"" + outputColVectorType + "\" " +
"and mode: " + udafEvaluatorMode + " not supported for " +
"evaluator " + evaluator.getClass().getSimpleName();
- return new ImmutablePair<VectorAggregationDesc,String>(null, issue);
+ return new ImmutablePair<>(null, issue);
+ }
+
+ private static List<ConstantVectorExpression> getConstantParams(
+ VectorizationContext vContext, List<ExprNodeDesc> parameterList) throws
HiveException {
+ if (parameterList.isEmpty()) {
+ return Collections.emptyList();
+ }
+
+ final List<ConstantVectorExpression> res = new
ArrayList<>(parameterList.size() - 1);
+
+ // skip the first parameter as it is not a constant
+ for (ExprNodeDesc exprNodeDesc : parameterList.subList(1,
parameterList.size())) {
Review Comment:
consider using declarative style
````
parameterList.stream().skip(1).foreach(exprNodeDesc->)
````
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