143 lines
5.8 KiB
C++
143 lines
5.8 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_truncate_table_resolver.h"
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#include "share/ob_define.h"
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#include "share/ob_rpc_struct.h"
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#include "sql/session/ob_sql_session_info.h"
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namespace oceanbase
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{
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using namespace share;
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using namespace share::schema;
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using namespace common;
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namespace sql
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{
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ObTruncateTableResolver::ObTruncateTableResolver(ObResolverParams ¶ms)
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: ObDDLResolver(params)
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{
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}
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ObTruncateTableResolver::~ObTruncateTableResolver()
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{
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}
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int ObTruncateTableResolver::resolve(const ParseNode &parser_tree)
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{
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int ret = OB_SUCCESS;
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ParseNode *node = const_cast<ParseNode*>(&parser_tree);
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ObTruncateTableStmt *truncate_table_stmt = NULL;
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bool is_mysql_tmp_table = false;
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if (OB_ISNULL(session_info_) || OB_ISNULL(node) ||
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T_TRUNCATE_TABLE != node->type_ ||
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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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//create alter table stmt
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if (OB_SUCC(ret)) {
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if (NULL == (truncate_table_stmt = create_stmt<ObTruncateTableStmt>())) {
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ret = OB_ALLOCATE_MEMORY_FAILED;
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LOG_ERROR("failed to create alter table stmt", K(ret));
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} else {
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stmt_ = truncate_table_stmt;
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}
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ParseNode *relation_node = node->children_[TABLE_NODE];
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if (OB_SUCC(ret)) {
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if (NULL != relation_node) {
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//resolve table
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ObString table_name;
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ObString database_name;
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if (OB_FAIL(resolve_table_relation_node(relation_node,
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table_name,
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database_name))) {
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LOG_WARN("failed to resolve table name.",
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K(table_name), K(database_name), K(ret));
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} else {
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truncate_table_stmt->set_table_name(table_name);
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truncate_table_stmt->set_database_name(database_name);
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truncate_table_stmt->set_tenant_id(session_info_->get_effective_tenant_id());
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if (ObSchemaChecker::is_ora_priv_check()) {
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uint64_t tenant_id = session_info_->get_effective_tenant_id();
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const share::schema::ObTableSchema *table_schema = NULL;
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if (OB_ISNULL(schema_checker_)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("schema checker ptr is null", K(ret));
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} else if (OB_FAIL(schema_checker_->get_table_schema(tenant_id,
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database_name,
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table_name,
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false,
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table_schema))) {
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if (OB_TABLE_NOT_EXIST == ret) {
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LOG_USER_ERROR(OB_TABLE_NOT_EXIST, to_cstring(database_name),
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to_cstring(table_name));
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}
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LOG_WARN("fail to get table schema", K(ret));
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} else if (OB_FAIL(schema_checker_->check_ora_ddl_priv(
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tenant_id,
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session_info_->get_priv_user_id(),
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database_name,
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table_schema->get_table_id(),
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static_cast<uint64_t>(share::schema::ObObjectType::TABLE),
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stmt::T_TRUNCATE_TABLE,
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session_info_->get_enable_role_array()))) {
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if (OB_TABLE_NOT_EXIST == ret) {
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LOG_USER_ERROR(OB_TABLE_NOT_EXIST, to_cstring(database_name),
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to_cstring(table_name));
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}
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LOG_WARN("failed to check ora ddl priv", K(database_name), K(table_name),
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K(session_info_->get_priv_user_id()), K(ret));
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}
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}
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}
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} else {
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ret = OB_ERR_PARSE_SQL;
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LOG_WARN("relation node should not be null!", K(ret));
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}
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}
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}
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if (OB_SUCC(ret)) {
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const ObTableSchema *orig_table_schema = NULL;
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if (OB_FAIL(schema_checker_->get_table_schema(truncate_table_stmt->get_tenant_id(),
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truncate_table_stmt->get_database_name(),
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truncate_table_stmt->get_table_name(),
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false,
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orig_table_schema))) {
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LOG_WARN("fail to get table schema", K(ret), K(truncate_table_stmt->get_table_name()));
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if (NULL == orig_table_schema && OB_TABLE_NOT_EXIST == ret) {
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LOG_USER_ERROR(OB_TABLE_NOT_EXIST,
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to_cstring(truncate_table_stmt->get_database_name()),
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to_cstring(truncate_table_stmt->get_table_name()));
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}
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} else {
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const bool is_add_to_scheduler = orig_table_schema->is_user_table() ? true : false;
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truncate_table_stmt->set_is_add_scheduler(is_add_to_scheduler);
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if (orig_table_schema->is_oracle_tmp_table()) {
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truncate_table_stmt->set_truncate_oracle_temp_table();
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}
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if (orig_table_schema->is_mysql_tmp_table()) {
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is_mysql_tmp_table = true;
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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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} //namespace common
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} //namespace oceanbase
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