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 ? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org