siddharthteotia commented on code in PR #9064:
URL: https://github.com/apache/pinot/pull/9064#discussion_r927879865
##########
pinot-query-runtime/src/main/java/org/apache/pinot/query/runtime/operator/HashJoinOperator.java:
##########
@@ -101,27 +114,32 @@ private void buildBroadcastHashTable() {
}
rightBlock = _rightTableOperator.nextBlock();
}
+ if (rightBlock.isErrorBlock()) {
+ _upstreamErrorBlock = (MetadataBlock) rightBlock.getDataBlock();
+ }
_isHashTableBuilt = true;
}
}
private TransferableBlock buildJoinedDataBlock(TransferableBlock leftBlock)
throws Exception {
- if (TransferableBlockUtils.isEndOfStream(leftBlock)) {
- return TransferableBlockUtils.getEndOfStreamTransferableBlock();
- }
- List<Object[]> rows = new ArrayList<>();
- _leftTableSchema = leftBlock.getDataSchema();
- _resultRowSize = _leftTableSchema.size() + _rightTableSchema.size();
- List<Object[]> container = leftBlock.getContainer();
- for (Object[] leftRow : container) {
- List<Object[]> hashCollection =
-
_broadcastHashTable.getOrDefault(_leftKeySelector.computeHash(leftRow),
Collections.emptyList());
- for (Object[] rightRow : hashCollection) {
- rows.add(joinRow(leftRow, rightRow));
+ if (!TransferableBlockUtils.isEndOfStream(leftBlock)) {
+ List<Object[]> rows = new ArrayList<>();
+ List<Object[]> container = leftBlock.getContainer();
+ for (Object[] leftRow : container) {
+ List<Object[]> hashCollection = _broadcastHashTable.getOrDefault(
+ _leftKeySelector.computeHash(leftRow), Collections.emptyList());
+ for (Object[] rightRow : hashCollection) {
+ rows.add(joinRow(leftRow, rightRow));
+ }
}
+ return new TransferableBlock(rows, computeSchema(),
BaseDataBlock.Type.ROW);
+ } else if (leftBlock.isErrorBlock()) {
+ _upstreamErrorBlock = (MetadataBlock) leftBlock.getDataBlock();
+ return TransferableBlockUtils.repackErrorBlock(_upstreamErrorBlock);
+ } else {
+ return new
TransferableBlock(DataBlockUtils.getEmptyDataBlock(_resultSchema));
Review Comment:
If we reach here should we assert that leftBlock is a `EOS` type `METADATA`
block ?
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