45 lines
1.1 KiB
C++
45 lines
1.1 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 OBJIT_EXPR_OB_COLUMN_INDEX_PROVIDER_H
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#define OBJIT_EXPR_OB_COLUMN_INDEX_PROVIDER_H
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#include "sql/resolver/expr/ob_expr.h"
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namespace oceanbase {
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namespace jit {
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namespace expr {
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class ObColumnIndexProvider {
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public:
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ObColumnIndexProvider()
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{}
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/**
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* get expr index in array
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*
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* @param raw_expr
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* @param index
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*
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* @return OB_ENTRY_NOT_EXIST for raw_expr not found.
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*/
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virtual int get_idx(const ObExpr* raw_expr, int64_t& index) const = 0;
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private:
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DISALLOW_COPY_AND_ASSIGN(ObColumnIndexProvider);
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};
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} // namespace expr
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} // namespace jit
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} // namespace oceanbase
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#endif
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