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[CP] [CP] Support to deduce prefix index from T_OP_LIKE expr

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This commit is contained in:
obdev
2023-04-07 11:54:21 +00:00
committed by ob-robot
parent 134f4eedae
commit 83bc968292
4 changed files with 311 additions and 43 deletions
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14
src/sql/optimizer/ob_join_order.h
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@ -1159,6 +1159,8 @@ struct NullAwareAntiJoinInfo {
BaseTableOptInfo *table_opt_info_;
ObSEArray<ObPCParamEqualInfo, 4> equal_param_constraints_;
ObSEArray<ObPCConstParamInfo, 4> const_param_constraints_;
ObSEArray<ObExprConstraint, 4> expr_constraints_;
};
struct DeducedExprInfo {
@ -2295,14 +2297,16 @@ struct NullAwareAntiJoinInfo {
ObIArray<ObRawExpr *> &pushdown_quals);
int get_generated_col_index_qual(const int64_t table_id,
ObIArray<ObRawExpr *> &quals);
ObIArray<ObRawExpr *> &quals,
PathHelper &helper);
int build_prefix_index_compare_expr(ObRawExpr &column_expr,
ObRawExpr *prefix_expr,
ObItemType type,
ObRawExpr &value_expr,
ObRawExpr *escape_expr,
ObRawExpr *&new_op_expr);
ObRawExpr *&new_op_expr,
PathHelper &helper);
int get_prefix_str_idx_exprs(ObRawExpr *expr,
ObColumnRefRawExpr *column_expr,
@ -2310,11 +2314,13 @@ struct NullAwareAntiJoinInfo {
ObRawExpr *escape_expr,
const TableItem *table_item,
ObItemType type,
ObRawExpr *&new_expr);
ObRawExpr *&new_expr,
PathHelper &helper);
int deduce_prefix_str_idx_exprs(ObRawExpr *expr,
const TableItem *table_item,
ObRawExpr *&new_expr);
ObRawExpr *&new_expr,
PathHelper &helper);
int deduce_common_gen_col_index_expr(ObRawExpr *qual,
const TableItem *table_item,