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oceanbase/src/share/system_variable/ob_system_variable_init.h
2023-08-10 09:48:25 +00:00

101 lines
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C++

/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#ifndef OCEANBASE_SHARE_SYSTEM_VARIABLE_OB_SYSTEM_VARIABLE_INIT_
#define OCEANBASE_SHARE_SYSTEM_VARIABLE_OB_SYSTEM_VARIABLE_INIT_
#include "share/system_variable/ob_sys_var_class_type.h"
#include <stdint.h>
#include "common/object/ob_object.h"
namespace oceanbase
{
namespace share
{
// ObSysVarFlag的值不可随意增删改, 有任何增删改要同时同步到sql/session/gen_ob_sys_variables.py的flag_value_dict变量中
struct ObSysVarFlag
{
const static int64_t NONE = 0LL;
const static int64_t GLOBAL_SCOPE = 1LL;
const static int64_t SESSION_SCOPE = (1LL << 1);
const static int64_t READONLY = (1LL << 2);
const static int64_t SESSION_READONLY = (1LL << 3);
const static int64_t INVISIBLE = (1LL << 4);
const static int64_t NULLABLE = (1LL << 5);
const static int64_t INFLUENCE_PLAN = (1LL << 6);
const static int64_t NEED_SERIALIZE = (1LL << 7);
const static int64_t QUERY_SENSITIVE = (1LL << 8);
const static int64_t ORACLE_ONLY = (1LL << 9);
const static int64_t WITH_CREATE = (1LL << 10);
const static int64_t WITH_UPGRADE = (1LL << 11);
const static int64_t MYSQL_ONLY = (1LL << 12);
};
struct ObSysVarFromJson{
ObSysVarClassType id_;
common::ObString name_;
common::ObObjType data_type_;
common::ObString default_value_; // used for init tenant
common::ObString base_value_; // used for session sync
common::ObString min_val_;
common::ObString max_val_;
common::ObString enum_names_;
common::ObString info_;
int64_t flags_;
common::ObString alias_;
common::ObString base_class_;
common::ObString on_check_and_convert_func_;
common::ObString on_update_func_;
common::ObString to_select_obj_func_;
common::ObString to_show_str_func_;
common::ObString get_meta_type_func_;
common::ObString session_special_update_func_;
ObSysVarFromJson():id_(SYS_VAR_INVALID), name_(""), data_type_(common::ObNullType), default_value_(""), base_value_(""), min_val_(""), max_val_(""), enum_names_(""), info_(""), flags_(ObSysVarFlag::NONE), alias_(""), base_class_(""), on_check_and_convert_func_(), on_update_func_(), to_select_obj_func_(), to_show_str_func_(), get_meta_type_func_(), session_special_update_func_() {}
};
class ObSysVariables
{
public:
static int64_t get_all_sys_var_count();
static ObSysVarClassType get_sys_var_id(int64_t i);
static common::ObString get_name(int64_t i);
static common::ObObjType get_type(int64_t i);
static common::ObString get_value(int64_t i);
static common::ObString get_base_str_value(int64_t i);
static common::ObString get_min(int64_t i);
static common::ObString get_max(int64_t i);
static common::ObString get_info(int64_t i);
static int64_t get_flags(int64_t i);
static bool need_serialize(int64_t i);
static bool is_oracle_only(int64_t i);
static bool is_mysql_only(int64_t i);
static common::ObString get_alias(int64_t i);
static const common::ObObj &get_default_value(int64_t i);
static const common::ObObj &get_base_value(int64_t i);
static int64_t get_amount();
static int set_value(const char *name, const char * new_value);
static int set_value(const common::ObString &name, const common::ObString &new_value);
static int set_base_value(const char *name, const char * new_value);
static int set_base_value(const common::ObString &name, const common::ObString &new_value);
static int init_default_values();
};
class ObSysVarsToIdxMap
{
public:
static int64_t get_store_idx(int64_t var_id);
static bool has_invalid_sys_var_id();
};
} // end namespace share
} // end namespace oceanbase
#endif /* OCEANBASE_SHARE_SYSTEM_VARIABLE_OB_SYSTEM_VARIABLE_INIT_ */