/* 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_dtm.h 3495 2013-01-21 14:09:51Z rdempsey $

/** @file */

#ifndef FUNCTOR_DTM_H
#define FUNCTOR_DTM_H

#include "functor.h"


namespace funcexp
{

/** @brief Func_Dtm class
  *    For function that returns a date or datetime result.
  *        Must implement getIntVal() and getStrVal()
  *        Implement any other methods that behave differently from the default.
  *        Note: need to pay attention to the difference between
  *              getIntVal and getDateIntVal/getDatetimeIntVal.
  */
class Func_Dtm : public Func
{
public:
    Func_Dtm() {}
    Func_Dtm(const std::string& funcName) : Func(funcName) {}
    virtual ~Func_Dtm() {}

    /*
    	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)
    {
        return (double) getIntVal(row, fp, isNull, op_ct);
    }

    long double getLongDoubleVal(rowgroup::Row& row,
                        FunctionParm& fp,
                        bool& isNull,
                        execplan::CalpontSystemCatalog::ColType& op_ct)
    {
        return (long double) getIntVal(row, fp, isNull, op_ct);
    }

    /*
    	std::string getStrVal(rowgroup::Row& row,
    						FunctionParm& fp,
    						bool& isNull,
    						execplan::CalpontSystemCatalog::ColType& op_ct) = 0;
    */
};


/** @brief Func_date class
  */
class Func_date : public Func_Dtm
{
public:
    Func_date() : Func_Dtm("date") {}
    virtual ~Func_date() {}

    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);

    int64_t getIntVal(rowgroup::Row& row,
                      FunctionParm& fp,
                      bool& isNull,
                      execplan::CalpontSystemCatalog::ColType& op_ct);
};


/** @brief Func_time class
  */
class Func_time : public Func_Dtm
{
public:
    Func_time() : Func_Dtm("time") {}
    virtual ~Func_time() {}

    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);

    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);


};


/** @brief Func_timediff class
  */
class Func_timediff : public Func_Dtm
{
public:
    Func_timediff() : Func_Dtm("timediff") {}
    virtual ~Func_timediff() {}

    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);

    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);

    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);
};


/** @brief Func_date_add class
  */
class Func_date_add : public Func_Dtm
{
public:
    Func_date_add() : Func_Dtm("date_add") {}
    virtual ~Func_date_add() {}

    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);

    std::string getStrVal(rowgroup::Row& row,
                          FunctionParm& fp,
                          bool& isNull,
                          execplan::CalpontSystemCatalog::ColType& op_ct);
};


/** @brief Func_cast_date class
  */
class Func_cast_date : public Func_Dtm
{
public:
    Func_cast_date() : Func_Dtm("cast_date") {}
    virtual ~Func_cast_date() {}

    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);
};


/** @brief Func_cast_datetime class
  */
class Func_cast_datetime : public Func_Dtm
{
public:
    Func_cast_datetime() : Func_Dtm("cast_datetime") {}
    virtual ~Func_cast_datetime() {}

    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);

    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);

};


/** @brief Func_from_days class
  */
class Func_from_days : public Func_Dtm
{
public:
    Func_from_days() : Func_Dtm("from_days") {}
    virtual ~Func_from_days() {}

    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);

    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);
};


/** @brief Func_add_time class
  */
class Func_add_time : public Func_Dtm
{
public:
    Func_add_time() : Func_Dtm("add_time") {}
    virtual ~Func_add_time() {}

    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);

    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 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_timestampdiff class
  */
class Func_timestampdiff : public Func_Dtm
{
public:
    Func_timestampdiff() : Func_Dtm("timestamp_diff") {}
    virtual ~Func_timestampdiff() {}

    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);

    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 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_sysdate class
  */
class Func_sysdate : public Func_Dtm
{
public:
    Func_sysdate() : Func_Dtm("sysdate") {}
    virtual ~Func_sysdate() {}

    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 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);

    int64_t getIntVal(rowgroup::Row& row,
                      FunctionParm& fp,
                      bool& isNull,
                      execplan::CalpontSystemCatalog::ColType& op_ct);
};


/** @brief Func_from_unixtime
  */
class Func_from_unixtime : public Func_Dtm
{
public:
    Func_from_unixtime() : Func_Dtm("from_unixtime") {}
    virtual ~Func_from_unixtime() {}
    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);

    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);
};

/** @brief Func_str_to_date class
  */
class Func_str_to_date : public Func_Dtm
{
public:
    Func_str_to_date() : Func_Dtm("str_to_date") {}
    virtual ~Func_str_to_date() {}

    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);

    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 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_makedate class
  */
class Func_makedate : public Func_Dtm
{
public:
    Func_makedate() : Func_Dtm("makedate") {}
    virtual ~Func_makedate() {}

    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);

    std::string getStrVal(rowgroup::Row& row,
                          FunctionParm& fp,
                          bool& isNull,
                          execplan::CalpontSystemCatalog::ColType& op_ct);
};



}

#endif