Github user sudheeshkatkam commented on a diff in the pull request:
https://github.com/apache/drill/pull/403#discussion_r58956992
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/FindLimit0Visitor.java
---
@@ -116,4 +131,33 @@ public RelNode visit(LogicalMinus minus) {
public RelNode visit(LogicalUnion union) {
return union;
}
+
+ /**
+ * Visitor to scan the RelNode tree and find if it contains any Scans
that require hard distribution requirements.
+ */
+ public static class FindHardDistributionScans extends RelShuttleImpl {
--- End diff --
private
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