53 lines
1.6 KiB
C++
53 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 OB_RAW_EXPR_SETS_H
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#define OB_RAW_EXPR_SETS_H
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#include "share/ob_define.h"
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#include "lib/container/ob_fixed_array.h"
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#include "lib/container/ob_se_array.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 ObRawExpr;
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typedef common::ObFixedArray<ObRawExpr*, common::ObIAllocator> ObRawExprSet;
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// NOTE: do not reuse on ObRawExprSets
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// reuse will not de-construct existed ObFixedArray
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// A ObFixedArray can not be reused because its size can not be adjusted.
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typedef common::ObSEArray<ObRawExprSet*, 8, common::ModulePageAllocator, true> ObRawExprSets;
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typedef ObRawExprSet EqualSet;
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typedef ObRawExprSets EqualSets;
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class ObRawExprSetUtils
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{
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public:
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static int to_expr_set(common::ObIAllocator *allocator,
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const common::ObIArray<ObRawExpr *> &exprs,
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ObRawExprSet &expr_set);
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static int add_expr_set(common::ObIAllocator *allocator,
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const common::ObIArray<ObRawExpr *> &exprs,
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ObRawExprSets &expr_sets);
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};
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}
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}
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#endif // OB_RAW_EXPR_SETS_H
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