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[SCN REFACTOR] replace flash back snapshot and remove read snapshot session

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This commit is contained in:
wangt1xiuyi
2022-11-28 01:54:50 +00:00
committed by ob-robot
parent c4c13f6296
commit 11485d6a98
268 changed files with 6763 additions and 7737 deletions
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9
src/sql/optimizer/ob_optimizer_util.h
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@ -119,7 +119,7 @@ public:
const common::ObIArray<OrderItem> &ordering,
const EqualSets &equal_sets,
const common::ObIArray<ObRawExpr*> &const_exprs,
bool &ordering_used,
int64_t &prefix_count,
bool &ordering_all_used,
common::ObIArray<ObOrderDirection> &directions,
common::ObIArray<int64_t> *match_map = NULL);
@ -621,6 +621,13 @@ public:
ObIArray<ObRawExpr *> &exprs,
ObIArray<ObRawExpr *> &child_exprs);
static int is_expr_is_determined(const ObIArray<ObRawExpr *> &exprs,
const ObFdItemSet &fd_item_set,
const EqualSets &equal_sets,
const ObIArray<ObRawExpr *> &const_exprs,
const ObRawExpr *expr,
bool &is_determined);
static int is_exprs_contain_fd_parent(const ObIArray<ObRawExpr *> &exprs,
const ObFdItem &fd_item,
const EqualSets &equal_sets,