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mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-05-31 11:41:14 +03:00
Andrew Hutchings 21fe9e8faf MCOL-719 Add date/datetime to func_least/greatest
Support was missing and int casting caused unexpected results
2017-05-17 10:35:50 +01:00

418 lines
11 KiB
C++

/* Copyright (C) 2014 InfiniDB, Inc.
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 */
#ifndef FUNCTOR_ALL_H
#define FUNCTOR_ALL_H
#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);
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);
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);
};
/** @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);
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);
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);
};
/** @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);
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);
};
/** @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);
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);
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);
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);
};
/** @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);
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);
};
/** @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);
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);
};
/** @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 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);
execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row,
FunctionParm& fp,
bool& isNull,
execplan::CalpontSystemCatalog::ColType& op_ct);
};
}
#endif