Github user parthchandra commented on a diff in the pull request:
https://github.com/apache/drill/pull/501#discussion_r65275657
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/ScanBatch.java
---
@@ -196,8 +196,8 @@ public IterOutcome next() {
releaseAssets();
done = true; // have any future call to next() return NONE
- if (mutator.isNewSchema()) {
- // This last reader has a new schema (e.g., we have a
zero-row
+ if (mutator.isNewTopLevelSchema()) {
--- End diff --
I don't see why this condition is better than isNewSchema. Looks to me that
any time this is true, isNewSchema will also be true. Why don't we want to
check the condition that the deeperSchema might have changed?
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