79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#define USING_LOG_PREFIX SERVER
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#include "sql/resolver/ddl/ob_drop_tablegroup_resolver.h"
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#include "sql/resolver/ddl/ob_drop_tablegroup_stmt.h"
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#include "sql/session/ob_sql_session_info.h"
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using namespace oceanbase::sql;
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using namespace oceanbase::common;
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using namespace oceanbase::share::schema;
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ObDropTablegroupResolver::ObDropTablegroupResolver(ObResolverParams ¶ms)
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: ObDDLResolver(params)
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{
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}
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ObDropTablegroupResolver::~ObDropTablegroupResolver()
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{
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}
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int ObDropTablegroupResolver::resolve(const ParseNode &parse_tree)
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{
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int ret = OB_SUCCESS;
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ParseNode *node = const_cast<ParseNode*>(&parse_tree);
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ObDropTablegroupStmt *drop_tablegroup_stmt = NULL;
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if (OB_ISNULL(session_info_) || OB_ISNULL(node) ||
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T_DROP_TABLEGROUP != node->type_ ||
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TG_NODE_COUNT != node->num_child_ ||
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OB_ISNULL(node->children_)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("session_info_ is null or parser error", K(ret));
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}
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ObString tablegroup_name;
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if (OB_SUCC(ret)) {
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if (NULL == (drop_tablegroup_stmt = create_stmt<ObDropTablegroupStmt>())) {
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ret = OB_ALLOCATE_MEMORY_FAILED;
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SQL_RESV_LOG(ERROR, "failed to create stmt", K(ret));
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} else {
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stmt_ = drop_tablegroup_stmt;
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}
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if(OB_SUCC(ret)) {
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if (NULL != node->children_[IF_NOT_EXIST]) {
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if (T_IF_EXISTS == node->children_[IF_NOT_EXIST]->type_) {
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drop_tablegroup_stmt->set_if_exist(true);
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} else {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("node type is not T_IF_EXISTS", K(ret));
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}
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} else {
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drop_tablegroup_stmt->set_if_exist(false);
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}
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if (OB_SUCC(ret)) {
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if (NULL != node->children_[TG_NAME] && T_IDENT == node->children_[TG_NAME]->type_) {
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tablegroup_name.assign_ptr((char *)(node->children_[TG_NAME]->str_value_),
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static_cast<int32_t>(node->children_[TG_NAME]->str_len_));
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drop_tablegroup_stmt->set_tablegroup_name(tablegroup_name);
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drop_tablegroup_stmt->set_tenant_id(session_info_->get_effective_tenant_id());
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} else {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("node type is not T_IDENT", K(ret));
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}
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}
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}
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}
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return ret;
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}
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