Files
oceanbase/src/sql/resolver/ddl/ob_drop_tenant_resolver.cpp
wangzelin.wzl 93a1074b0c patch 4.0
2022-10-24 17:57:12 +08:00

126 lines
3.6 KiB
C++

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