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src/sql/ob_sql_mode_manager.cpp

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+/**
+ * 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;
+}
+*/
+}  // namespace sql
+}  // namespace oceanbase