Github user paul-rogers commented on a diff in the pull request:
https://github.com/apache/drill/pull/1218#discussion_r183262311
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/rowSet/impl/RowSetLoaderImpl.java
---
@@ -95,4 +96,10 @@ public void endBatch() {
@Override
public int rowCount() { return rsLoader.rowCount(); }
+
+ @Override
+ public ColumnMetadata schema() {
+ // No column for the row tuple
+ return null;
--- End diff --
Expanded comment. Let me know if it is still not clear.
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