126 lines
3.6 KiB
C++
126 lines
3.6 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 SQL_RESV
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#include "sql/resolver/ddl/ob_drop_tenant_resolver.h"
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#include "sql/resolver/ddl/ob_drop_tenant_stmt.h"
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#include "sql/resolver/ddl/ob_tenant_resolver.h"
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#include "sql/resolver/expr/ob_raw_expr_util.h"
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namespace oceanbase
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{
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using namespace common;
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using namespace share::schema;
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namespace sql
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{
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/**
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* DROP TENANT tenant_name
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*/
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ObDropTenantResolver::ObDropTenantResolver(ObResolverParams ¶ms)
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: ObDDLResolver(params)
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{
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}
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ObDropTenantResolver::~ObDropTenantResolver()
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{
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}
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int ObDropTenantResolver::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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ObDropTenantStmt *mystmt = NULL;
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if (lib::is_oracle_mode()) {
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// oracle 模式的租户尝试删除租户时直接报错
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ret = OB_NOT_SUPPORTED;
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LOG_WARN("dropping tenant in oracle mode is not supported", K(ret));
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LOG_USER_ERROR(OB_NOT_SUPPORTED, "dropping tenant in oracle mode is");
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} else if (OB_ISNULL(node)
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|| OB_UNLIKELY(T_DROP_TENANT != node->type_)
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|| OB_UNLIKELY(3 != node->num_child_)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_ERROR("invalid param", K(ret));
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}
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if (OB_SUCC(ret)) {
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if (OB_UNLIKELY(NULL == (mystmt = create_stmt<ObDropTenantStmt>()))) {
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ret = OB_ALLOCATE_MEMORY_FAILED;
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LOG_ERROR("failed to create stmt");
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} else {
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stmt_ = mystmt;
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}
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}
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if (OB_SUCC(ret)) {
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bool if_exist = false;
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if (NULL != node->children_[0]) {
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if (OB_UNLIKELY(T_IF_EXISTS != node->children_[0]->type_)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_ERROR("invaid node", K(ret));
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} else {
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if_exist = true;
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}
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}
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mystmt->set_if_exist(if_exist);
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}
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/* tenant name */
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if (OB_SUCC(ret)) {
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if (OB_UNLIKELY(T_IDENT != node->children_[1]->type_)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_ERROR("invalid node", K(ret));
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} else {
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ObString tenant_name;
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tenant_name.assign_ptr((char *)(node->children_[1]->str_value_),
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static_cast<int32_t>(node->children_[1]->str_len_));
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mystmt->set_tenant_name(tenant_name);
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}
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}
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/* resolve force and purge */
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if (OB_SUCC(ret)) {
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ObObj is_recyclebin_open;
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if (OB_FAIL(session_info_->get_sys_variable(share::SYS_VAR_RECYCLEBIN, is_recyclebin_open))) {
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SQL_RESV_LOG(WARN, "get sys variable failed", K(ret));
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} else {
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if (NULL == node->children_[2]) {
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mystmt->set_delay_to_drop(true);
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mystmt->set_open_recyclebin(is_recyclebin_open.get_bool());
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} else {
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if (OB_UNLIKELY(T_FORCE != node->children_[2]->type_) &&
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OB_UNLIKELY(T_PURGE != node->children_[2]->type_)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_ERROR("invalid node", K(ret));
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} else if (T_PURGE == node->children_[2]->type_) {
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mystmt->set_delay_to_drop(true);
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mystmt->set_open_recyclebin(false);
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} else if (T_FORCE == node->children_[2]->type_) {
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mystmt->set_delay_to_drop(false);
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mystmt->set_open_recyclebin(is_recyclebin_open.get_bool());
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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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} /* sql */
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} /* oceanbase */
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