zclllyybb commented on code in PR #27943: URL: https://github.com/apache/doris/pull/27943#discussion_r1414970019
########## be/src/vec/exec/scan/scanner_scheduler.cpp: ########## @@ -384,10 +384,15 @@ void ScannerScheduler::_scanner_scan(ScannerScheduler* scheduler, ScannerContext ctx->return_free_block(std::move(block)); } else { if (!blocks.empty() && blocks.back()->rows() + block->rows() <= state->batch_size()) { - status = vectorized::MutableBlock(blocks.back().get()).merge(*block); + auto rows = blocks.back()->rows() + block->rows(); + vectorized::MutableBlock mutable_block(blocks.back().get()); + status = mutable_block.merge(*block); if (!status.ok()) { break; } + if (!blocks.back().get()->is_valid(rows)) { Review Comment: Is there any situation that it's valid that block has columns with different size? If not, maybe we can do this check in merging 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...@doris.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For additional commands, e-mail: commits-h...@doris.apache.org