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src/sql/resolver/xa/ob_xa_prepare_resolver.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.
+ */
+
+#define USING_LOG_PREFIX SQL_RESV
+#include "sql/resolver/xa/ob_xa_prepare_resolver.h"
+#include "sql/resolver/xa/ob_xa_stmt.h"
+#include "sql/resolver/ob_resolver_utils.h"
+
+namespace oceanbase {
+using namespace common;
+namespace sql {
+
+ObXaPrepareResolver::ObXaPrepareResolver(ObResolverParams& params) : ObStmtResolver(params)
+{}
+
+ObXaPrepareResolver::~ObXaPrepareResolver()
+{}
+
+int ObXaPrepareResolver::resolve(const ParseNode& parse_node)
+{
+  int ret = OB_SUCCESS;
+  ObXaPrepareStmt* xa_prepare_stmt = NULL;
+  if (OB_UNLIKELY(T_XA_PREPARE != parse_node.type_ || 1 != parse_node.num_child_)) {
+    ret = OB_ERR_UNEXPECTED;
+    LOG_WARN("unexpected parse node", K(parse_node.type_), K(parse_node.num_child_));
+  } else if (OB_UNLIKELY(NULL == (xa_prepare_stmt = create_stmt<ObXaPrepareStmt>()))) {
+    ret = OB_SQL_RESOLVER_NO_MEMORY;
+    LOG_WARN("failed to create xa end stmt", K(ret));
+  } else {
+    ObString xa_string;
+    if (OB_FAIL(ObResolverUtils::resolve_string(parse_node.children_[0], xa_string))) {
+      LOG_WARN("resolve string failed", K(ret));
+    } else {
+      xa_prepare_stmt->set_xa_string(xa_string);
+      LOG_DEBUG("xa prepare resolver", K(xa_string));
+    }
+  }
+  return ret;
+}
+
+}  // namespace sql
+}  // namespace oceanbase