59 lines
1.6 KiB
C++
59 lines
1.6 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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#ifndef OCEANBASE_SQL_RESOLVER_OB_RESOLVER
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#define OCEANBASE_SQL_RESOLVER_OB_RESOLVER
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#include "sql/resolver/ob_stmt_resolver.h"
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namespace oceanbase
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{
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namespace sql
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{
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class ObSQLSessionInfo;
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/// the interface of this module
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class ObResolver
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{
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public:
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enum IsPrepared
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{
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IS_PREPARED_STMT,
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IS_NOT_PREPARED_STMT
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};
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explicit ObResolver(ObResolverParams ¶ms);
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virtual ~ObResolver();
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virtual int resolve(IsPrepared if_prepared, const ParseNode &parse_tree, ObStmt *&stmt);
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const common::ObTimeZoneInfo *get_timezone_info();
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ObResolverParams &get_params() { return params_; }
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private:
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template <typename ResolverType>
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int stmt_resolver_func(ObResolverParams ¶ms, const ParseNode &parse_tree, ObStmt *&stmt);
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template <typename SelectResolverType>
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int select_stmt_resolver_func(ObResolverParams ¶ms, const ParseNode &parse_tree, ObStmt *&stmt);
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private:
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// data members
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ObResolverParams params_;
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private:
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// disallow copy
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DISALLOW_COPY_AND_ASSIGN(ObResolver);
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};
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} // end namespace sql
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} // end namespace oceanbase
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#endif /* OCEANBASE_SQL_RESOLVER_OB_RESOLVER */
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