Github user vrozov commented on a diff in the pull request:
https://github.com/apache/drill/pull/1237#discussion_r184804819
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/unorderedreceiver/UnorderedReceiverBatch.java
---
@@ -149,25 +149,32 @@ private RawFragmentBatch getNextBatch() throws
IOException {
}
}
+ private RawFragmentBatch getNextNotEmptyBatch() throws IOException {
+ RawFragmentBatch batch;
+ try {
+ stats.startWait();
--- End diff --
it may throw `AssertException` now and other exceptions may be added in the
future.
---