Files
oceanbase/src/sql/ob_sql_mode_manager.cpp
wangzelin.wzl 93a1074b0c patch 4.0
2022-10-24 17:57:12 +08:00

87 lines
2.4 KiB
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.
*/
#include "lib/string/ob_string.h"
#include "sql/ob_sql_mode_manager.h"
using namespace oceanbase::common;
namespace oceanbase
{
namespace sql
{
int compatibility_mode2index(const common::ObCompatibilityMode mode, int64_t &index)
{
static const ObCompatibilityMode modes[] = { OCEANBASE_MODE, MYSQL_MODE, ORACLE_MODE };
int ret = OB_ENTRY_NOT_EXIST;
for (int64_t i = 0; OB_ENTRY_NOT_EXIST == ret && i < ARRAYSIZEOF(modes); ++i) {
if (mode == modes[i]) {
index = i;
ret = OB_SUCCESS;
}
}
return ret;
}
/*
int ObSQLModeManager::get_compatibility_index(ObCompatibilityMode comp_mode, int64_t &index) const
{
int ret = OB_ENTRY_NOT_EXIST;
for (int64_t i = 0; i < COMPATIBILITY_MODE_COUNT && OB_ENTRY_NOT_EXIST == ret; i++) {
if (comp_mode == sql_standard_[i].comp_mode_) {
index = i;
ret = OB_SUCCESS;
}
}
return ret;
}
int ObSQLModeManager::set_compatibility_mode(ObCompatibilityMode comp_mode)
{
int ret = OB_SUCCESS;
int64_t index = -1;
if (OB_FAIL(get_compatibility_index(comp_mode, index))) {
OB_LOG(WARN, "fail to get sql mode", K(ret), K(comp_mode));
} else {
current_mode_index_ = index;
}
return ret;
}
ObCompatibilityMode ObSQLModeManager::get_compatibility_mode() const
{
return sql_standard_[current_mode_index_].comp_mode_;
}
void ObSQLModeManager::reset()
{
sql_standard_[0].sql_mode_ = DEFAULT_OCEANBASE_MODE;
sql_standard_[0].comp_mode_ = ObCompatibilityMode::OCEANBASE_MODE;
sql_standard_[1].sql_mode_ = DEFAULT_MYSQL_MODE;
sql_standard_[1].comp_mode_ = ObCompatibilityMode::MYSQL_MODE;
sql_standard_[2].sql_mode_ = DEFAULT_ORACLE_MODE;
sql_standard_[2].comp_mode_ = ObCompatibilityMode::ORACLE_MODE;
}
ObSQLMode ObSQLModeManager::get_sql_mode() const
{
return sql_standard_[current_mode_index_].sql_mode_;
}
void ObSQLModeManager::set_sql_mode(ObSQLMode mode)
{
sql_standard_[current_mode_index_].sql_mode_ = mode;
}
*/
}
}