Github user jihoonson commented on a diff in the pull request:
https://github.com/apache/tajo/pull/891#discussion_r47457622
--- Diff:
tajo-plan/src/main/java/org/apache/tajo/plan/rewrite/rules/ProjectionPushDownRule.java
---
@@ -962,14 +967,16 @@ public LogicalNode visitJoin(Context context,
LogicalPlan plan, LogicalPlan.Quer
}
static Iterator<String> getFilteredReferences(String [] targetNames,
Collection<String> required) {
- return new FilteredStringsIterator(targetNames, required);
+ List inputList = new ArrayList<>();
+ inputList.addAll(Arrays.asList(targetNames));
+ return new FilteredStringsIterator(inputList, required);
--- End diff --
Can be rewritten with Arrays.asList().
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