weijietong commented on a change in pull request #1334: DRILL-6385: Support
JPPD feature
URL: https://github.com/apache/drill/pull/1334#discussion_r207867048
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/ScanBatch.java
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@@ -190,11 +213,21 @@ public IterOutcome next() {
if (isNewSchema) {
// Even when recordCount = 0, we should return return OK_NEW_SCHEMA
if current reader presents a new schema.
// This could happen when data sources have a non-trivial schema
with 0 row.
- container.buildSchema(SelectionVectorMode.NONE);
+ if (firstRuntimeFiltered) {
+ container.buildSchema(SelectionVectorMode.TWO_BYTE);
+ runtimeFiltered = true;
+ } else {
+ container.buildSchema(SelectionVectorMode.NONE);
+ }
Review comment:
I will take into account this suggestion.
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