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[CP] fix: fix the correctness problem induced by batch rescan not supported reverse order

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obdev
2023-11-29 11:46:05 +00:00
committed by ob-robot
parent 753da38fe9
commit 88451e8b98
3 changed files with 14 additions and 2 deletions
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12
src/sql/engine/table/ob_table_scan_op.cpp
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@ -895,7 +895,17 @@ OB_INLINE int ObTableScanOp::init_das_scan_rtdef(const ObDASScanCtDef &das_ctdef
das_rtdef.scan_flag_.set_iter_uncommitted_row();
}
}
if (MY_SPEC.batch_scan_flag_ || is_lookup) {
if (MY_SPEC.batch_scan_flag_) {
// if tsc enable batch rescan, the output order of tsc is determined by group id
if (das_rtdef.scan_flag_.scan_order_ == ObQueryFlag::Reverse) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("Scan order is not supported in batch rescan", K(ret), K(das_rtdef.scan_flag_.scan_order_));
} else {
das_rtdef.scan_flag_.scan_order_ = ObQueryFlag::KeepOrder;
}
}
if (is_lookup) {
das_rtdef.scan_flag_.scan_order_ = ObQueryFlag::KeepOrder;
}
das_rtdef.scan_flag_.is_lookup_for_4377_ = is_lookup;