0d0b11c0cc
Co-authored-by: oceanoverflow <oceanoverflow@gmail.com> Co-authored-by: hezuojiao <hezuojiao@gmail.com> Co-authored-by: Monk-Liu <1152761042@qq.com>
58 lines
1.9 KiB
C++
58 lines
1.9 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_EXPR_OR_H_
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#define _OB_EXPR_OR_H_
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#include "sql/engine/expr/ob_expr_operator.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 ObExprOr: public ObLogicalExprOperator
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{
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public:
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ObExprOr();
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explicit ObExprOr(common::ObIAllocator &alloc);
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virtual ~ObExprOr() {};
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virtual int calc_result_typeN(ObExprResType &type,
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ObExprResType *types_stack,
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int64_t param_num,
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common::ObExprTypeCtx &type_ctx) const;
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virtual int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
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ObExpr &rt_expr) const override;
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static int eval_or_batch_exprN(const ObExpr &expr, ObEvalCtx &ctx,
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const ObBitVector &skip, const int64_t batch_size);
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static int eval_or_vector(const ObExpr &expr, ObEvalCtx &ctx,
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const ObBitVector &skip, const EvalBound &bound);
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enum EvalOrStage {
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FIRST,
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MIDDLE,
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LAST
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};
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private:
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static int calc_res_with_one_param_null(common::ObObj &res,
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const common::ObObj &left,
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const common::ObObj &right,
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common::ObExprCtx &expr_ctx);
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private:
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DISALLOW_COPY_AND_ASSIGN(ObExprOr);
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};
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}
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}
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#endif /* _OB_EXPR_OR_H_ */
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