Files
oceanbase/src/sql/engine/expr/ob_expr_pl_integer_checker.h
wangzelin.wzl 93a1074b0c patch 4.0
2022-10-24 17:57:12 +08:00

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3.1 KiB
C++

/**
* 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.
*/
#ifndef SRC_SQL_ENGINE_EXPR_OB_EXPR_PL_INTEGER_CHECKER_H_
#define SRC_SQL_ENGINE_EXPR_OB_EXPR_PL_INTEGER_CHECKER_H_
#include "sql/engine/expr/ob_expr_operator.h"
#include "sql/engine/expr/ob_i_expr_extra_info.h"
#include "pl/ob_pl_type.h"
namespace oceanbase
{
namespace sql
{
class ObExprPLIntegerChecker : public ObFuncExprOperator
{
OB_UNIS_VERSION(1);
public:
struct ExtraInfo : public ObIExprExtraInfo
{
OB_UNIS_VERSION(1);
public:
ExtraInfo(common::ObIAllocator &alloc, ObExprOperatorType type)
: ObIExprExtraInfo(alloc, type),
pl_integer_type_(pl::ObPLIntegerType::PL_INTEGER_INVALID),
pl_integer_range_() {}
void reset();
virtual int deep_copy(common::ObIAllocator &allocator,
const ObExprOperatorType type,
ObIExprExtraInfo *&copied_info) const override;
int assign(const ExtraInfo &other);
TO_STRING_KV(K_(pl_integer_type),
K_(pl_integer_range));
pl::ObPLIntegerType pl_integer_type_;
pl::ObPLIntegerRange pl_integer_range_;
};
public:
explicit ObExprPLIntegerChecker(common::ObIAllocator &alloc);
virtual ~ObExprPLIntegerChecker();
virtual int calc_result_type1(ObExprResType &type,
ObExprResType &type1,
common::ObExprTypeCtx &type_ctx) const;
virtual int cg_expr(ObExprCGCtx &op_cg_ctx,
const ObRawExpr &raw_expr,
ObExpr &rt_expr) const override;
static int calc_pl_integer_checker(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum);
virtual int assign(const ObExprOperator &other);
void set_pl_integer_type(pl::ObPLIntegerType type) { info_.pl_integer_type_ = type; }
void set_range(int32_t lower, int32_t upper)
{
info_.pl_integer_range_.set_range(lower, upper);
}
template<typename T>
static int check_range(const T &obj, const ObObjType type, int64_t range);
static int calc(ObObj &result,
const ObObj &obj,
const pl::ObPLIntegerType &pls_type,
const pl::ObPLIntegerRange &pls_range,
ObIAllocator &calc_buf);
static int calc(ObDatum &expr_datum,
const ObObjType type,
const ObDatum &param,
const pl::ObPLIntegerType &pls_type,
const pl::ObPLIntegerRange &pls_range,
ObIAllocator &calc_buf);
private:
DISALLOW_COPY_AND_ASSIGN(ObExprPLIntegerChecker);
private:
ExtraInfo info_;
};
}
}
#endif /* SRC_SQL_ENGINE_EXPR_OB_EXPR_PL_INTEGER_CHECKER_H_ */