[FEAT MERGE]4_1_sql_feature
Co-authored-by: leslieyuchen <leslieyuchen@gmail.com> Co-authored-by: Charles0429 <xiezhenjiang@gmail.com> Co-authored-by: raywill <hustos@gmail.com>
This commit is contained in:
obdev
@ -69,6 +69,7 @@ class ObTablePartitionInfo;
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struct SubPlanInfo;
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class OptSelectivityCtx;
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class Path;
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class ObSharedExprResolver;
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class ObOptimizerUtil
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{
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public:
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@ -91,12 +92,14 @@ public:
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static int is_const_or_equivalent_expr(const common::ObIArray<ObRawExpr *> &exprs,
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const EqualSets &equal_sets,
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const common::ObIArray<ObRawExpr*> &const_exprs,
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const common::ObIArray<ObRawExpr *> &exec_ref_exprs,
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const int64_t &pos,
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bool &is_const);
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static int is_const_or_equivalent_expr(const common::ObIArray<OrderItem> &order_items,
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const EqualSets &equal_sets,
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const common::ObIArray<ObRawExpr*> &const_exprs,
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const common::ObIArray<ObRawExpr *> &exec_ref_exprs,
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const int64_t &pos,
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bool &is_const);
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@ -119,6 +122,7 @@ public:
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const common::ObIArray<OrderItem> &ordering,
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const EqualSets &equal_sets,
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const common::ObIArray<ObRawExpr*> &const_exprs,
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const common::ObIArray<ObRawExpr *> &exec_ref_exprs,
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int64_t &prefix_count,
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bool &ordering_all_used,
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common::ObIArray<ObOrderDirection> &directions,
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@ -136,9 +140,19 @@ public:
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const ObRawExpr *to,
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const EqualSets &equal_sets);
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static bool is_expr_equivalent(const ObRawExpr *from,
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const ObRawExpr *to);
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static int is_const_expr(const ObRawExpr* expr,
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const EqualSets &equal_sets,
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const common::ObIArray<ObRawExpr *> &const_exprs,
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const common::ObIArray<ObRawExpr *> &exec_ref_exprs,
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bool &is_const);
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static int is_const_expr_recursively(const ObRawExpr* expr,
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const common::ObIArray<ObRawExpr *> &exec_ref_exprs,
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bool &is_const);
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static int is_root_expr_const(const ObRawExpr* expr,
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const EqualSets &equal_sets,
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const common::ObIArray<ObRawExpr *> &const_exprs,
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const common::ObIArray<ObRawExpr *> &exec_ref_exprs,
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bool &is_const);
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static int is_const_expr(const ObRawExpr* expr,
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const EqualSets &equal_sets,
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const common::ObIArray<ObRawExpr *> &const_exprs,
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@ -249,13 +263,15 @@ public:
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static bool find_equal_expr(const common::ObIArray<ObRawExpr*> &exprs,
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const ObRawExpr *expr)
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{
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int64_t dummy_index = -1;
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return find_equal_expr(exprs, expr, dummy_index);
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return find_item(exprs, expr);
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}
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static bool find_equal_expr(const common::ObIArray<ObRawExpr*> &exprs,
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const ObRawExpr *expr,
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int64_t &idx);
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int64_t &idx)
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{
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return find_item(exprs, expr ,&idx);
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}
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static bool find_equal_expr(const common::ObIArray<ObRawExpr*> &exprs,
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const ObRawExpr *expr,
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@ -270,19 +286,6 @@ public:
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const EqualSets &equal_sets,
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int64_t &idx);
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static bool find_equal_expr(const common::ObIArray<ObRawExpr*> &exprs,
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const ObRawExpr *expr,
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ObExprParamCheckContext &context)
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{
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int64_t dummy_index = -1;
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return find_equal_expr(exprs, expr, context, dummy_index);
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}
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static bool find_equal_expr(const common::ObIArray<ObRawExpr*> &exprs,
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const ObRawExpr *expr,
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ObExprParamCheckContext &context,
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int64_t &idx);
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static int find_stmt_expr_direction(const ObDMLStmt &stmt,
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const common::ObIArray<ObRawExpr*> &exprs,
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const EqualSets &equal_sets,
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@ -332,8 +335,6 @@ public:
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static int get_exec_ref_expr(const ObIArray<ObExecParamRawExpr *> &exec_params,
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ObIArray<ObRawExpr*> &ref_exprs);
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static ObRawExpr* find_param_expr(const common::ObIArray<ObRawExpr*> &exprs, const int64_t param_num);
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static int extract_equal_exec_params(const ObIArray<ObRawExpr *> &exprs,
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const ObIArray<ObExecParamRawExpr *> &my_params,
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ObIArray<ObRawExpr *> &left_keys,
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@ -454,8 +455,6 @@ public:
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const common::ObIArray<ObRawExpr *> &conditions,
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bool &is_const);
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static bool is_const_expr(const ObRawExpr *expr, const int64_t stmt_level = -1);
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static int is_same_table(
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const ObIArray<OrderItem> &exprs,
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uint64_t &table_id,
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@ -706,6 +705,18 @@ public:
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const ObFdItemSet &fd_item_set,
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const EqualSets &equal_sets,
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const ObIArray<ObRawExpr *> &const_exprs,
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const ObIArray<ObRawExpr *> &exec_ref_exprs,
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const bool is_at_most_one_row,
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bool &need_sort,
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int64_t &prefix_pos,
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const int64_t part_cnt);
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static int check_need_sort(const ObIArray<OrderItem> &expected_order_items,
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const ObIArray<OrderItem> &input_ordering,
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const ObFdItemSet &fd_item_set,
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const EqualSets &equal_sets,
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const ObIArray<ObRawExpr *> &const_exprs,
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const ObIArray<ObRawExpr *> &exec_ref_exprs,
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const bool is_at_most_one_row,
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bool &need_sort,
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int64_t &prefix_pos);
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@ -716,16 +727,30 @@ public:
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const ObFdItemSet &fd_item_set,
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const EqualSets &equal_sets,
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const ObIArray<ObRawExpr *> &const_exprs,
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const ObIArray<ObRawExpr *> &exec_ref_exprs,
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const bool is_at_most_one_row,
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bool &need_sort,
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int64_t &prefix_pos);
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static int check_need_sort(const ObIArray<ObRawExpr*> &expected_order_exprs,
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const ObIArray<ObOrderDirection> *expected_order_directions,
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const ObIArray<OrderItem> &input_ordering,
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const ObFdItemSet &fd_item_set,
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const EqualSets &equal_sets,
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const ObIArray<ObRawExpr *> &const_exprs,
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const ObIArray<ObRawExpr *> &exec_ref_exprs,
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const bool is_at_most_one_row,
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bool &need_sort,
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int64_t &prefix_pos,
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const int64_t part_cnt);
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static int decide_sort_keys_for_merge_style_op(const ObDMLStmt *stmt,
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const EqualSets &stmt_equal_sets,
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const ObIArray<OrderItem> &input_ordering,
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const ObFdItemSet &fd_item_set,
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const EqualSets &equal_sets,
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const ObIArray<ObRawExpr*> &const_exprs,
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const ObIArray<ObRawExpr*> &exec_ref_exprs,
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const bool is_at_most_one_row,
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const ObIArray<ObRawExpr*> &merge_exprs,
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const ObIArray<ObOrderDirection> &default_directions,
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@ -833,12 +858,14 @@ public:
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static int simplify_ordered_exprs(const ObFdItemSet &fd_item_set,
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const EqualSets &equal_sets,
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const ObIArray<ObRawExpr *> &const_exprs,
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const ObIArray<ObRawExpr *> &exec_ref_exprs,
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const ObIArray<ObRawExpr *> &candi_exprs,
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ObIArray<ObRawExpr *> &root_exprs);
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static int simplify_ordered_exprs(const ObFdItemSet &fd_item_set,
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const EqualSets &equal_sets,
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const ObIArray<ObRawExpr *> &const_exprs,
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const ObIArray<ObRawExpr *> &exec_ref_exprs,
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const ObIArray<OrderItem> &candi_items,
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ObIArray<OrderItem> &root_items);
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@ -847,14 +874,10 @@ public:
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static bool has_equal_join_conditions(const ObIArray<ObRawExpr*> &join_conditions);
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static int convert_subplan_scan_const_expr(ObRawExprFactory &expr_factory,
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const EqualSets &equal_sets,
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const uint64_t table_id,
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const ObDMLStmt &parent_stmt,
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const ObSelectStmt &child_stmt,
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bool skip_invalid,
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const ObIArray<ObRawExpr*> &input_exprs,
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ObIArray<ObRawExpr*> &output_exprs);
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static int get_subplan_const_column(const ObDMLStmt &parent_stmt,
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const uint64_t table_id,
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const ObSelectStmt &child_stmt,
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ObIArray<ObRawExpr *> &output_exprs);
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/*
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* 以下函数主要用于把subplan scan中内层继承上来的属性(e.g.,ordering,unique set,partition key)转换成外层可以识别的属性
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@ -904,24 +927,17 @@ public:
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ObIArray<ObRawExpr *> &parent_exprs);
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static int compute_const_exprs(const ObIArray<ObRawExpr *> &condition_exprs,
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const int64_t stmt_level,
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ObIArray<ObRawExpr *> &const_exprs);
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static int compute_const_exprs(ObRawExpr *cur_expr,
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const int64_t stmt_level,
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ObRawExpr *&res_const_expr);
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static int compute_const_exprs(const ObIArray<ObRawExpr*> &condition_exprs,
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ObIArray<ObRawExpr*> &const_exprs)
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{
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return compute_const_exprs(condition_exprs, -1, const_exprs);
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}
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static int compute_stmt_interesting_order(const ObIArray<OrderItem> &ordering,
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const ObDMLStmt *stmt,
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const bool in_subplan_scan,
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EqualSets &equal_sets,
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const ObIArray<ObRawExpr *> &const_exprs,
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const bool is_parent_set_disinct,
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const int64_t check_scope,
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int64_t &match_info,
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int64_t &max_prefix_count);
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@ -931,6 +947,7 @@ public:
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const bool in_subplan_scan,
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EqualSets &equal_sets,
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const ObIArray<ObRawExpr *> &const_exprs,
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const bool is_parent_set_distinct,
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const int64_t check_scope,
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int64_t &match_info);
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/**
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@ -1039,6 +1056,7 @@ public:
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bool &is_match);
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static int is_lossless_column_cast(const ObRawExpr *expr, bool &is_lossless);
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static int is_lossless_column_conv(const ObRawExpr *expr, bool &is_lossless);
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static int get_expr_without_lossless_cast(const ObRawExpr* ori_expr, const ObRawExpr*& expr);
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static int get_expr_without_lossless_cast(ObRawExpr* ori_expr, ObRawExpr*& expr);
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@ -1344,6 +1362,69 @@ public:
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static int check_contain_batch_stmt_parameter(ObRawExpr* expr, bool &contain);
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static int expr_calculable_by_exprs(const ObRawExpr *src_expr,
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const ObIArray<ObRawExpr*> &dst_exprs,
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bool &is_calculable);
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static int get_minset_of_exprs(const ObIArray<ObRawExpr *> &src_exprs,
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ObIArray<ObRawExpr *> &min_set);
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static int build_rel_ids_by_equal_set(const EqualSet &equal_set,
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ObRelIds &rel_ids);
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static int build_rel_ids_by_equal_sets(const EqualSets &equal_sets,
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ObIArray<ObRelIds> &rel_ids_array);
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static int find_expr_in_equal_sets(const EqualSets &equal_sets,
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const ObRawExpr *target_expr,
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int64_t &idx);
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static bool find_rel_ids(const ObIArray<ObRelIds> &rel_ids_array,
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const ObRelIds &target_ids,
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int64_t *idx = NULL);
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static int check_can_encode_sortkey(const common::ObIArray<OrderItem> &order_keys,
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bool &can_sort_opt,
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ObLogPlan& plan);
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static int extract_equal_join_conditions(const ObIArray<ObRawExpr *> &equal_join_conditions,
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const ObRelIds &left_tables,
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ObIArray<ObRawExpr *> &left_exprs,
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ObIArray<ObRawExpr *> &right_exprs);
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static int extract_pushdown_join_filter_quals(const ObIArray<ObRawExpr *> &left_quals,
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const ObIArray<ObRawExpr *> &right_quals,
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const ObSqlBitSet<> &right_tables,
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ObIArray<ObRawExpr *> &pushdown_left_quals,
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ObIArray<ObRawExpr *> &pushdown_right_quals);
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static int pushdown_join_filter_into_subquery(const ObDMLStmt &parent_stmt,
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const ObSelectStmt &subquery,
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const ObIArray<ObRawExpr*> &pushdown_left_quals,
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const ObIArray<ObRawExpr*> &pushdown_right_quals,
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ObIArray<ObRawExpr*> &candi_left_quals,
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ObIArray<ObRawExpr*> &candi_right_quals,
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bool &can_pushdown);
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static int check_pushdown_join_filter_quals(const ObDMLStmt &parent_stmt,
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const ObSelectStmt &subquery,
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const ObIArray<ObRawExpr*> &pushdown_left_quals,
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const ObIArray<ObRawExpr*> &pushdown_right_quals,
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ObIArray<ObRawExpr*> &candi_left_quals,
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ObIArray<ObRawExpr*> &candi_right_quals);
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static int check_pushdown_join_filter_for_subquery(const ObDMLStmt &parent_stmt,
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const ObSelectStmt &subquery,
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ObIArray<ObRawExpr*> &common_exprs,
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const ObIArray<ObRawExpr*> &pushdown_left_quals,
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const ObIArray<ObRawExpr*> &pushdown_right_quals,
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ObIArray<ObRawExpr*> &candi_left_quals,
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ObIArray<ObRawExpr*> &candi_right_quals);
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static int check_pushdown_join_filter_for_set(const ObSelectStmt &parent_stmt,
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const ObSelectStmt &subquery,
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ObIArray<ObRawExpr*> &common_exprs,
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const ObIArray<ObRawExpr*> &pushdown_left_quals,
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const ObIArray<ObRawExpr*> &pushdown_right_quals,
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ObIArray<ObRawExpr*> &candi_left_quals,
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ObIArray<ObRawExpr*> &candi_right_quals);
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static int init_calc_part_id_expr(ObLogPlan * log_plan,
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const uint64_t table_id,
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const uint64_t ref_table_id,
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@ -1356,6 +1437,7 @@ public:
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static int replace_column_with_select_for_partid(const ObInsertStmt *stmt,
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ObOptimizerContext &opt_ctx,
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ObRawExpr *&calc_part_id_expr);
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private:
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//disallow construct
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ObOptimizerUtil();
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