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mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-04-23 07:05:36 +03:00
2023-03-02 15:59:42 +00:00

362 lines
7.1 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.cpp 3898 2013-06-17 20:41:05Z rdempsey $
*
*
****************************************************************************/
#ifndef __STDC_FORMAT_MACROS
#define __STDC_FORMAT_MACROS
#endif
#include <inttypes.h>
#include <string>
#include <sstream>
#include <boost/date_time/posix_time/posix_time.hpp>
using namespace std;
#include "joblisttypes.h"
#include "dataconvert.h"
using namespace dataconvert;
#include "idberrorinfo.h"
#include "errorids.h"
#include "exceptclasses.h"
using namespace logging;
#include "functor.h"
#include "funchelpers.h"
using namespace funcexp;
namespace funcexp
{
void Func::init()
{
uint32_t fni = joblist::FLOATNULL;
float* fp = reinterpret_cast<float*>(&fni);
fFloatNullVal = *fp;
uint64_t dni = joblist::DOUBLENULL;
double* dp = reinterpret_cast<double*>(&dni);
fDoubleNullVal = *dp;
fLongDoubleNullVal = joblist::LONGDOUBLENULL;
}
Func::Func()
{
init();
}
Func::Func(const string& funcName) : fFuncName(funcName)
{
init();
}
uint32_t Func::stringToDate(const string str)
{
int64_t ret = DataConvert::stringToDate(str);
if (ret == -1)
{
Message::Args args;
args.add("date");
args.add(str);
unsigned errcode = ERR_INCORRECT_VALUE;
throw IDBExcept(IDBErrorInfo::instance()->errorMsg(errcode, args), errcode);
}
return ret;
}
uint64_t Func::stringToDatetime(const string str)
{
int64_t ret = DataConvert::stringToDatetime(str);
if (ret == -1)
{
Message::Args args;
args.add("datetime");
args.add(str);
unsigned errcode = ERR_INCORRECT_VALUE;
throw IDBExcept(IDBErrorInfo::instance()->errorMsg(errcode, args), errcode);
}
return ret;
}
uint64_t Func::stringToTimestamp(const std::string& str, long timeZone)
{
int64_t ret = DataConvert::stringToTimestamp(str, timeZone);
if (ret == -1)
{
Message::Args args;
args.add("timestamp");
args.add(str);
unsigned errcode = ERR_INCORRECT_VALUE;
throw IDBExcept(IDBErrorInfo::instance()->errorMsg(errcode, args), errcode);
}
return ret;
}
int64_t Func::stringToTime(const string str)
{
int64_t ret = DataConvert::stringToTime(str);
if (ret == -1)
{
Message::Args args;
args.add("time");
args.add(str);
unsigned errcode = ERR_INCORRECT_VALUE;
throw IDBExcept(IDBErrorInfo::instance()->errorMsg(errcode, args), errcode);
}
return ret;
}
uint32_t Func::intToDate(int64_t i)
{
if ((uint64_t)i > 0xFFFFFFFFL)
return ((((uint32_t)(i >> 32)) & 0xFFFFFFC0L) | 0x3E);
return i;
}
uint64_t Func::intToDatetime(int64_t i)
{
if ((uint64_t)i < 0xFFFFFFFFL)
return (i << 32);
return i;
}
uint64_t Func::intToTimestamp(int64_t i)
{
return i;
}
int64_t Func::intToTime(int64_t i)
{
// Don't think we need to do anything here?
return i;
}
int64_t Func::nowDatetime()
{
DateTime result;
boost::posix_time::ptime now = boost::posix_time::microsec_clock::local_time();
result.year = now.date().year();
result.month = now.date().month();
result.day = now.date().day();
result.hour = now.time_of_day().hours();
result.minute = now.time_of_day().minutes();
result.second = now.time_of_day().seconds();
result.msecond = now.time_of_day().total_microseconds();
return (int64_t) * (reinterpret_cast<int64_t*>(&result));
}
int64_t Func::addTime(DateTime& dt1, Time& dt2)
{
DateTime dt;
dt.year = 0;
dt.month = 0;
dt.day = 0;
dt.hour = 0;
dt.minute = 0;
dt.second = 0;
dt.msecond = 0;
int64_t month, day, hour, min, sec, msec, tmp;
msec = (signed)(dt1.msecond + dt2.msecond);
dt.msecond = tmp = msec % 1000000;
if (tmp < 0)
{
dt.msecond = tmp + 1000000;
dt2.second--;
}
sec = (signed)(dt1.second + dt2.second + msec / 1000000);
dt.second = tmp = sec % 60;
if (tmp < 0)
{
dt.second = tmp + 60;
dt2.minute--;
}
min = (signed)(dt1.minute + dt2.minute + sec / 60);
dt.minute = tmp = min % 60;
if (tmp < 0)
{
dt.minute = tmp + 60;
dt2.hour--;
}
hour = (signed)(dt1.hour + dt2.hour + min / 60);
if ((hour < 0) || (hour > 23))
{
dt2.day = hour / 24;
hour = hour % 24;
}
if (hour < 0)
{
dt.hour = hour + 24;
dt2.day--;
}
else
{
dt.hour = hour;
}
day = (signed)(dt1.day + dt2.day);
if (isLeapYear(dt1.year) && dt1.month == 2)
day--;
month = dt1.month;
int addyear = 0;
if (day <= 0)
{
int monthSave = month;
while (day <= 0)
{
month = (month == 1 ? 12 : month - 1);
for (; day <= 0 && month > 0; month--)
day += getDaysInMonth(month, dt1.year);
month++;
// month=12;
}
if (month > monthSave)
addyear--;
}
else
{
int monthSave = month;
while (day > getDaysInMonth(month, dt1.year))
{
for (; day > getDaysInMonth(month, dt1.year) && month <= 12; month++)
day -= getDaysInMonth(month, dt1.year);
if (month > 12)
month = 1;
}
if (month < monthSave)
addyear++;
}
dt.day = day;
dt.month = month;
dt.year = dt1.year + addyear;
return *(reinterpret_cast<int64_t*>(&dt));
}
int64_t Func::addTime(Time& dt1, Time& dt2)
{
Time dt;
dt.is_neg = false;
dt.hour = 0;
dt.minute = 0;
dt.second = 0;
dt.msecond = 0;
int64_t min, sec, msec, tmp;
msec = (signed)(dt1.msecond + dt2.msecond);
dt.msecond = tmp = msec % 1000000;
if (tmp < 0)
{
dt.msecond = tmp + 1000000;
dt2.second--;
}
sec = (signed)(dt1.second + dt2.second + msec / 1000000);
dt.second = tmp = sec % 60;
if (tmp < 0)
{
dt.second = tmp + 60;
dt2.minute--;
}
min = (signed)(dt1.minute + dt2.minute + sec / 60);
dt.minute = tmp = min % 60;
if (tmp < 0)
{
dt.minute = tmp + 60;
dt2.hour--;
}
dt.hour = tmp = (signed)(dt1.hour + dt2.hour + min / 60);
// Saturation
if (tmp > 838)
{
dt.hour = 838;
dt.minute = 59;
dt.second = 59;
dt.msecond = 999999;
}
else if (tmp < -838)
{
dt.is_neg = true;
dt.hour = -838;
dt.minute = 59;
dt.second = 59;
dt.msecond = 999999;
}
return *(reinterpret_cast<int64_t*>(&dt));
}
string Func::intToString(int64_t i)
{
return helpers::intToString(i);
}
string Func::doubleToString(double d)
{
return helpers::doubleToString(d);
}
string Func::longDoubleToString(long double ld)
{
return helpers::longDoubleToString(ld);
}
} // namespace funcexp