61 lines
1.6 KiB
C++
61 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_ENGINE_OB_ENGINE_OP_TRAITS_H_
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#define OCEANBASE_ENGINE_OB_ENGINE_OP_TRAITS_H_
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// helper template to get some operator of old && new engine.
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namespace oceanbase {
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namespace sql {
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class ObPhyOperator;
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class ObTableScan;
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class ObMVTableScan;
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class ObTableInsert;
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class ObTableModify;
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class ObGranuleIterator;
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class ObOpSpec;
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class ObTableScanSpec;
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class ObMVTableScanSpec;
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class ObTableInsertSpec;
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class ObTableModifySpec;
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class ObGranuleIteratorSpec;
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template <bool NEW_ENG>
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struct ObEngineOpTraits {};
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template <>
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struct ObEngineOpTraits<false> {
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typedef ObPhyOperator Root;
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typedef ObTableScan TSC;
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typedef ObMVTableScan MV_TSC;
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typedef ObTableModify TableModify;
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typedef ObTableInsert TableInsert;
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typedef ObGranuleIterator GI;
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};
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template <>
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struct ObEngineOpTraits<true> {
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typedef ObOpSpec Root;
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typedef ObTableScanSpec TSC;
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typedef ObMVTableScanSpec MV_TSC;
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typedef ObTableModifySpec TableModify;
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typedef ObTableInsertSpec TableInsert;
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typedef ObGranuleIteratorSpec GI;
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};
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} // end namespace sql
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} // end namespace oceanbase
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#endif // OCEANBASE_ENGINE_OB_ENGINE_OP_TRAITS_H_
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