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oceanbase/src/sql/engine/expr/ob_expr_st_contains.h
2023-01-12 19:02:33 +08:00

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/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
* This file contains implementation for eval_st_contains.
*/
#ifndef OCEANBASE_SQL_OB_EXPR_ST_CONTAINS_H_
#define OCEANBASE_SQL_OB_EXPR_ST_CONTAINS_H_
#include "sql/engine/expr/ob_expr_operator.h"
namespace oceanbase
{
namespace sql
{
class ObExprSTContains : public ObFuncExprOperator
{
public:
explicit ObExprSTContains(common::ObIAllocator &alloc);
virtual ~ObExprSTContains();
virtual int calc_result_type2(ObExprResType &type,
ObExprResType &type1,
ObExprResType &type2,
common::ObExprTypeCtx &type_ctx) const override;
static int eval_st_contains(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
virtual int cg_expr(ObExprCGCtx &expr_cg_ctx,
const ObRawExpr &raw_expr,
ObExpr &rt_expr) const override;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprSTContains);
};
} // sql
} // oceanbase
#endif // OCEANBASE_SQL_OB_EXPR_ST_CONTAINS_H_