xiaokang commented on code in PR #15231:
URL: https://github.com/apache/doris/pull/15231#discussion_r1054213845
##########
be/src/vec/exec/scan/vscanner.cpp:
##########
@@ -62,10 +62,18 @@ Status VScanner::get_block(RuntimeState* state, Block*
block, bool* eof) {
{
SCOPED_TIMER(_parent->_filter_timer);
RETURN_IF_ERROR(_filter_output_block(block));
+ // record rows return (after filter) for _limit check
+ _num_rows_return += block->rows();
}
} while (block->rows() == 0 && !(*eof) && raw_rows_read() <
raw_rows_threshold);
}
+ // set eof to true if per scanner limit is reached
+ // currently for query: ORDER BY key LIMIT n
+ if (_limit > 0 && _num_rows_return > _limit) {
Review Comment:
yes, it's more accurate using >=
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