sohami commented on a change in pull request #1413: DRILL-6657: Unnest reports
one batch less than the actual number of b…
URL: https://github.com/apache/drill/pull/1413#discussion_r207287174
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/unnest/UnnestRecordBatch.java
##########
@@ -231,14 +223,18 @@ public IterOutcome innerNext() {
}
return IterOutcome.OK_NEW_SCHEMA;
} else {
+ Preconditions.checkState(incoming.getRecordCount() > 0,
+ "Incoming batch post buildSchema phase should never be empty for
Unnest");
container.zeroVectors();
// Check if schema has changed
if (lateral.getRecordIndex() == 0) {
- hasNewSchema = schemaChanged();
+ boolean hasNewSchema = schemaChanged();
stats.batchReceived(0, incoming.getRecordCount(), hasNewSchema);
if (hasNewSchema) {
try {
setupNewSchema();
+ hasRemainder = incoming.getRecordCount() > 0;
Review comment:
we can just set `hasRemainder=true` here since based on Preconditions check
the right side will always be true.
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