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[FEAT MERGE] implement dynamic sampling

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This commit is contained in:
wangt1xiuyi
2023-04-27 12:15:28 +00:00
committed by ob-robot
parent 56f85c9c76
commit f745b47cbc
86 changed files with 6754 additions and 2282 deletions
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6
src/sql/optimizer/ob_optimizer_context.h
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@ -24,6 +24,7 @@
#include "sql/optimizer/ob_sharding_info.h"
#include "sql/optimizer/ob_opt_est_cost.h"
#include "sql/engine/aggregate/ob_adaptive_bypass_ctrl.h"
#include "sql/optimizer/ob_dynamic_sampling.h"
namespace oceanbase
{
@ -149,6 +150,7 @@ ObOptimizerContext(ObSQLSessionInfo *session_info,
has_for_update_(false),
has_var_assign_(false),
is_var_assign_only_in_root_stmt_(false),
failed_ds_tab_list_(),
has_multiple_link_stmt_(false)
{ }
inline common::ObOptStatManager *get_opt_stat_manager() { return opt_stat_manager_; }
@ -477,9 +479,9 @@ ObOptimizerContext(ObSQLSessionInfo *session_info,
inline void set_has_var_assign(bool v) { has_var_assign_ = v; }
inline bool is_var_assign_only_in_root_stmt() { return is_var_assign_only_in_root_stmt_; }
inline void set_is_var_assign_only_in_root_stmt(bool v) { is_var_assign_only_in_root_stmt_ = v; }
common::ObIArray<ObDSFailTabInfo> &get_failed_ds_tab_list() { return failed_ds_tab_list_; }
inline bool has_multiple_link_stmt() const { return has_multiple_link_stmt_; }
inline void set_has_multiple_link_stmt(bool v) { has_multiple_link_stmt_ = v; }
private:
ObSQLSessionInfo *session_info_;
ObExecContext *exec_ctx_;
@ -551,6 +553,8 @@ private:
bool has_for_update_;
bool has_var_assign_;
bool is_var_assign_only_in_root_stmt_;
//record the dynamic sampling falied table list, avoid repeated dynamic sampling.
common::ObSEArray<ObDSFailTabInfo, 1, common::ModulePageAllocator, true> failed_ds_tab_list_;
bool has_multiple_link_stmt_;
};
}