Github user jinfengni commented on a diff in the pull request: https://github.com/apache/drill/pull/906#discussion_r135979350 --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/union/UnionAllRecordBatch.java --- @@ -130,562 +145,248 @@ public IterOutcome innerNext() { } @Override - public WritableBatch getWritableBatch() { - return WritableBatch.get(this); + public int getRecordCount() { + return recordCount; } - private void setValueCount(int count) { - for (ValueVector v : allocationVectors) { - ValueVector.Mutator m = v.getMutator(); - m.setValueCount(count); - } - } - private boolean doAlloc() { - for (ValueVector v : allocationVectors) { - try { - AllocationHelper.allocateNew(v, current.getRecordCount()); - } catch (OutOfMemoryException ex) { - return false; - } + @SuppressWarnings("resource") + private IterOutcome doWork(RecordBatch inputBatch, boolean newSchema) throws ClassTransformationException, IOException, SchemaChangeException { + if (inputBatch.getSchema().getFieldCount() != container.getSchema().getFieldCount()) { + // wrong. --- End diff -- The revised patch will throw IllegalArgumentException.
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