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mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-04-23 07:05:36 +03:00
2022-01-21 16:43:49 +00:00

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18 KiB
C++

/* Copyright (C) 2014 InfiniDB, Inc.
Copyright (C) 2019 MariaDB Corporation
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of
the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
// $Id: functor_all.h 3495 2013-01-21 14:09:51Z rdempsey $
/** @file */
#pragma once
#include "functor.h"
namespace funcexp
{
/** @brief Func_All class
* For function that can retun all supported types.
* Must implement getIntVal(), getDoubleVal(), and getStrVal()
* Implement any other methods that behave differently from the default.
* Note: implementation based on result type will be more efficient.
*/
class Func_All : public Func
{
public:
Func_All()
{
}
Func_All(const std::string& funcName) : Func(funcName)
{
}
virtual ~Func_All()
{
}
/*
int64_t getIntVal(rowgroup::Row& row,
FunctionParm& fp,
bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct) = 0;
double getDoubleVal(rowgroup::Row& row,
FunctionParm& fp,
bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct) = 0;
std::string getStrVal(rowgroup::Row& row,
FunctionParm& fp,
bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct) = 0;
*/
};
/** @brief Func_simple_case class
*/
class Func_simple_case : public Func_All
{
public:
Func_simple_case() : Func_All("case_simple")
{
}
virtual ~Func_simple_case()
{
}
execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp,
execplan::CalpontSystemCatalog::ColType& resultType);
bool getBoolVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
double getDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
long double getLongDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int32_t getDateIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimestampIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
};
class Func_decode_oracle : public Func_All
{
public:
Func_decode_oracle() : Func_All("decode_oracle")
{
}
virtual ~Func_decode_oracle()
{
}
execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp,
execplan::CalpontSystemCatalog::ColType& resultType);
bool getBoolVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
double getDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
long double getLongDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int32_t getDateIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimestampIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
};
/** @brief Func_searched_case class
*/
class Func_searched_case : public Func_All
{
public:
Func_searched_case() : Func_All("case_searched")
{
}
virtual ~Func_searched_case()
{
}
execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp,
execplan::CalpontSystemCatalog::ColType& resultType);
bool getBoolVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
double getDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
long double getLongDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int32_t getDateIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimestampIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
};
/** @brief Func_if class
*/
class Func_if : public Func_All
{
public:
Func_if() : Func_All("Func_if")
{
}
virtual ~Func_if()
{
}
execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp,
execplan::CalpontSystemCatalog::ColType& resultType);
int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
double getDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
long double getLongDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int32_t getDateIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimestampIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
};
/** @brief Func_ifnull class
*/
class Func_ifnull : public Func_All
{
public:
Func_ifnull() : Func_All("ifnull")
{
}
virtual ~Func_ifnull()
{
}
execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp,
execplan::CalpontSystemCatalog::ColType& resultType);
int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
double getDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
long double getLongDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int32_t getDateIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimestampIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
bool getBoolVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
};
/** @brief Func_greatest class
*/
class Func_greatest : public Func_All
{
public:
Func_greatest() : Func_All("greatest")
{
}
virtual ~Func_greatest()
{
}
execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp,
execplan::CalpontSystemCatalog::ColType& resultType);
int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
uint64_t getUintVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
double getDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
long double getLongDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int32_t getDateIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimestampIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
};
/** @brief Func_least class
*/
class Func_least : public Func_All
{
public:
Func_least() : Func_All("least")
{
}
virtual ~Func_least()
{
}
execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp,
execplan::CalpontSystemCatalog::ColType& resultType);
int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
double getDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
long double getLongDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int32_t getDateIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimestampIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
};
/** @brief Func_coalesce class
*/
class Func_coalesce : public Func_All
{
public:
Func_coalesce() : Func_All("coalesce")
{
}
virtual ~Func_coalesce()
{
}
execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp,
execplan::CalpontSystemCatalog::ColType& resultType);
int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
double getDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
long double getLongDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int32_t getDateIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimestampIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
};
/** @brief Func_nullif class
*/
class Func_nullif : public Func_All
{
public:
Func_nullif() : Func_All("nullif")
{
}
virtual ~Func_nullif()
{
}
execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp,
execplan::CalpontSystemCatalog::ColType& resultType);
std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int32_t getDateIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getTimestampIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
uint64_t getUintVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
double getDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
long double getLongDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
};
} // namespace funcexp