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add limit to solve slow compute_fd_item

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akaError
2023-09-20 15:01:11 +00:00
committed by ob-robot
parent 9e7c29c68b
commit 8b4f1665de
7 changed files with 56 additions and 34 deletions
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3
src/sql/optimizer/ob_log_expr_values.cpp
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@ -19,6 +19,7 @@
#include "sql/engine/expr/ob_expr_column_conv.h"
#include "sql/optimizer/ob_del_upd_log_plan.h"
#include "sql/optimizer/ob_join_order.h"
#include "sql/rewrite/ob_transform_utils.h"
using namespace oceanbase::common;
@ -127,6 +128,8 @@ int ObLogExprValues::compute_fd_item_set()
LOG_WARN("failed to get select exprs", K(ret));
} else if (OB_FAIL(my_plan_->get_fd_item_factory().create_fd_item_set(fd_item_set))) {
LOG_WARN("failed to create fd item set", K(ret));
} else if (!ObTransformUtils::need_compute_fd_item_set(select_exprs)) {
//do nothing
} else {
for (int64_t i = 0; OB_SUCC(ret) && i < select_exprs.count(); ++i) {
ObSEArray<ObRawExpr *, 1> value_exprs;