init push

src/sql/resolver/tcl/ob_savepoint_resolver.cpp

@@ -0,0 +1,56 @@
+/**
+ * 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.
+ */
+
+#define USING_LOG_PREFIX SQL_RESV
+#include "ob_savepoint_resolver.h"
+#include "ob_savepoint_stmt.h"
+
+namespace oceanbase {
+namespace sql {
+using namespace common;
+
+int ObSavePointResolver::resolve(const ParseNode& parse_tree)
+{
+  int ret = OB_SUCCESS;
+  ObSavePointStmt* stmt = NULL;
+  if (OB_FAIL(create_savepoint_stmt(parse_tree.type_, stmt)) || OB_ISNULL(stmt)) {
+    LOG_WARN("failed to create savepoint stmt", K(ret));
+  } else if (OB_FAIL(stmt->set_sp_name(parse_tree.str_value_, parse_tree.str_len_))) {
+    LOG_WARN("failed to set savepoint name", K(ret));
+  } else {
+    stmt_ = stmt;
+  }
+  return ret;
+}
+
+int ObSavePointResolver::create_savepoint_stmt(ObItemType stmt_type, ObSavePointStmt*& stmt)
+{
+  int ret = OB_SUCCESS;
+  switch (stmt_type) {
+    case T_CREATE_SAVEPOINT:
+      stmt = create_stmt<ObCreateSavePointStmt>();
+      break;
+    case T_ROLLBACK_SAVEPOINT:
+      stmt = create_stmt<ObRollbackSavePointStmt>();
+      break;
+    case T_RELEASE_SAVEPOINT:
+      stmt = create_stmt<ObReleaseSavePointStmt>();
+      break;
+    default:
+      ret = OB_INVALID_ARGUMENT;
+      LOG_WARN("invalid stmt type", K(ret), K(stmt_type));
+  }
+  return ret;
+}
+
+}  // namespace sql
+}  // namespace oceanbase