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src/sql/engine/expr/ob_expr_utl_raw.h Normal file
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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.
*/
#ifndef OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_UTL_RAW_
#define OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_UTL_RAW_
#include "sql/engine/expr/ob_expr_operator.h"
#include "share/object/ob_obj_cast.h"
namespace oceanbase {
namespace sql {
class ObExprUtlRawCastToRaw : public ObStringExprOperator {
public:
explicit ObExprUtlRawCastToRaw(common::ObIAllocator& alloc);
virtual ~ObExprUtlRawCastToRaw();
virtual int calc_result_type1(ObExprResType& type, ObExprResType& text, common::ObExprTypeCtx& type_ctx) const;
static int calc(common::ObObj& result, const common::ObObj& text, common::ObCastCtx& cast_ctx);
virtual int calc_result1(common::ObObj& result, const common::ObObj& text, common::ObExprCtx& expr_ctx) const;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprUtlRawCastToRaw);
};
class ObExprUtlRawCastToVarchar2 : public ObStringExprOperator {
public:
explicit ObExprUtlRawCastToVarchar2(common::ObIAllocator& alloc);
virtual ~ObExprUtlRawCastToVarchar2();
virtual int calc_result_type1(ObExprResType& type, ObExprResType& text, common::ObExprTypeCtx& type_ctx) const;
static int calc(common::ObObj& result, const common::ObObj& text, common::ObCastCtx& cast_ctx);
virtual int calc_result1(common::ObObj& result, const common::ObObj& text, common::ObExprCtx& expr_ctx) const;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprUtlRawCastToVarchar2);
};
class ObExprUtlRawLength : public ObFuncExprOperator {
public:
explicit ObExprUtlRawLength(common::ObIAllocator& alloc);
virtual ~ObExprUtlRawLength();
virtual int calc_result_type1(ObExprResType& type, ObExprResType& text, common::ObExprTypeCtx& type_ctx) const;
virtual int calc_result1(common::ObObj& result, const common::ObObj& text, common::ObExprCtx& expr_ctx) const;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprUtlRawLength);
};
class ObRawBitwiseExprOperator : public ObExprOperator {
public:
ObRawBitwiseExprOperator(common::ObIAllocator& alloc, ObExprOperatorType type, const char* name, int32_t param_num)
: ObExprOperator(alloc, type, name, param_num)
{}
virtual ~ObRawBitwiseExprOperator()
{}
virtual int calc_result_type2(
ObExprResType& type, ObExprResType& type1, ObExprResType& type2, common::ObExprTypeCtx& type_ctx) const;
protected:
enum BitOperator {
BIT_AND,
BIT_OR,
BIT_XOR,
BIT_MAX,
};
int calc_result_type2_(
ObExprResType& type, ObExprResType& type1, ObExprResType& type2, common::ObExprTypeCtx& type_ctx) const;
int calc_result2_(common::ObObj& result, const common::ObObj& obj1, const common::ObObj& obj2,
common::ObCastCtx& cast_ctx, BitOperator op) const;
private:
DISALLOW_COPY_AND_ASSIGN(ObRawBitwiseExprOperator);
};
class ObExprUtlRawBitAnd : public ObRawBitwiseExprOperator {
public:
explicit ObExprUtlRawBitAnd(common::ObIAllocator& alloc);
virtual ~ObExprUtlRawBitAnd();
virtual int calc_result_type2(
ObExprResType& type, ObExprResType& type1, ObExprResType& type2, common::ObExprTypeCtx& type_ctx) const;
virtual int calc_result2(
common::ObObj& result, const common::ObObj& obj1, const common::ObObj& obj2, common::ObExprCtx& expr_ctx) const;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprUtlRawBitAnd);
};
class ObExprUtlRawBitOr : public ObRawBitwiseExprOperator {
public:
explicit ObExprUtlRawBitOr(common::ObIAllocator& alloc);
virtual ~ObExprUtlRawBitOr();
virtual int calc_result_type2(
ObExprResType& type, ObExprResType& type1, ObExprResType& type2, common::ObExprTypeCtx& type_ctx) const;
virtual int calc_result2(
common::ObObj& result, const common::ObObj& obj1, const common::ObObj& obj2, common::ObExprCtx& expr_ctx) const;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprUtlRawBitOr);
};
class ObExprUtlRawBitXor : public ObRawBitwiseExprOperator {
public:
explicit ObExprUtlRawBitXor(common::ObIAllocator& alloc);
virtual ~ObExprUtlRawBitXor();
virtual int calc_result_type2(
ObExprResType& type, ObExprResType& type1, ObExprResType& type2, common::ObExprTypeCtx& type_ctx) const;
virtual int calc_result2(
common::ObObj& result, const common::ObObj& obj1, const common::ObObj& obj2, common::ObExprCtx& expr_ctx) const;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprUtlRawBitXor);
};
class ObExprUtlRawBitComplement : public ObStringExprOperator {
public:
explicit ObExprUtlRawBitComplement(common::ObIAllocator& alloc);
virtual ~ObExprUtlRawBitComplement();
virtual int calc_result_type1(ObExprResType& type, ObExprResType& type1, common::ObExprTypeCtx& type_ctx) const;
virtual int calc_result1(common::ObObj& result, const common::ObObj& obj1, common::ObExprCtx& expr_ctx) const;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprUtlRawBitComplement);
};
class ObExprUtlRawReverse : public ObStringExprOperator {
public:
explicit ObExprUtlRawReverse(common::ObIAllocator& alloc);
virtual ~ObExprUtlRawReverse();
virtual int calc_result_type1(ObExprResType& type, ObExprResType& text, common::ObExprTypeCtx& type_ctx) const;
static int calc(common::ObObj& result, const common::ObObj& text, common::ObCastCtx& cast_ctx);
virtual int calc_result1(common::ObObj& result, const common::ObObj& text, common::ObExprCtx& expr_ctx) const;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprUtlRawReverse);
};
class ObExprUtlRawCopies : public ObStringExprOperator {
public:
explicit ObExprUtlRawCopies(common::ObIAllocator& alloc);
virtual ~ObExprUtlRawCopies();
virtual int calc_result_type2(
ObExprResType& type, ObExprResType& type1, ObExprResType& type2, common::ObExprTypeCtx& type_ctx) const;
static int calc(
common::ObObj& result, const common::ObObj& obj1, const common::ObObj& obj2, common::ObCastCtx& cast_ctx);
virtual int calc_result2(
common::ObObj& result, const common::ObObj& obj1, const common::ObObj& obj2, common::ObExprCtx& expr_ctx) const;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprUtlRawCopies);
};
class ObExprUtlRawCompare : public ObStringExprOperator {
public:
explicit ObExprUtlRawCompare(common::ObIAllocator& alloc);
virtual ~ObExprUtlRawCompare();
virtual int calc_result_typeN(
ObExprResType& type, ObExprResType* types_stack, int64_t param_num, common::ObExprTypeCtx& type_ctx) const;
static int calc(common::ObObj& result, const common::ObObj* objs_stack, int64_t param_num);
virtual int calc_resultN(
common::ObObj& result, const common::ObObj* objs_stack, int64_t param_num, common::ObExprCtx& expr_ctx) const;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprUtlRawCompare);
};
class ObExprUtlRawSubstr : public ObStringExprOperator {
public:
explicit ObExprUtlRawSubstr(common::ObIAllocator& alloc);
virtual ~ObExprUtlRawSubstr();
virtual int calc_result_typeN(
ObExprResType& type, ObExprResType* types_stack, int64_t param_num, common::ObExprTypeCtx& type_ctx) const;
static int calc(common::ObObj& result, const common::ObObj* objs_stack, int64_t param_num);
virtual int calc_resultN(
common::ObObj& result, const common::ObObj* objs_stack, int64_t param_num, common::ObExprCtx& expr_ctx) const;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprUtlRawSubstr);
};
class ObExprUtlRawConcat : public ObStringExprOperator {
public:
explicit ObExprUtlRawConcat(common::ObIAllocator& alloc);
virtual ~ObExprUtlRawConcat();
virtual int calc_result_typeN(
ObExprResType& type, ObExprResType* types_stack, int64_t param_num, common::ObExprTypeCtx& type_ctx) const;
static int calc(common::ObObj& result, const common::ObObj* objs_stack, int64_t param_num);
virtual int calc_resultN(
common::ObObj& result, const common::ObObj* objs_stack, int64_t param_num, common::ObExprCtx& expr_ctx) const;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprUtlRawConcat);
};
} // namespace sql
} // namespace oceanbase
#endif /* OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_UTL_RAW_ */