mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-04-20 09:07:44 +03:00
3919c541ac
* Fix clang warnings * Remove vim tab guides * initialize variables * 'strncpy' output truncated before terminating nul copying as many bytes from a string as its length * Fix ISO C++17 does not allow 'register' storage class specifier for outdated bison * chars are unsigned on ARM, having if (ival < 0) always false * chars are unsigned by default on ARM and comparison with -1 if always true
352 lines
11 KiB
C++
352 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: func_timediff.cpp 3696 2013-04-05 18:07:21Z dhall $
|
|
*
|
|
*
|
|
****************************************************************************/
|
|
|
|
#include <algorithm>
|
|
#include <cstdlib>
|
|
#include <string>
|
|
#include <sstream>
|
|
using namespace std;
|
|
|
|
#include "functor_dtm.h"
|
|
#include "funchelpers.h"
|
|
#include "functioncolumn.h"
|
|
#include "rowgroup.h"
|
|
using namespace execplan;
|
|
|
|
#include "dataconvert.h"
|
|
|
|
#include "errorcodes.h"
|
|
#include "idberrorinfo.h"
|
|
#include "errorids.h"
|
|
using namespace logging;
|
|
|
|
namespace funcexp
|
|
{
|
|
namespace helpers
|
|
{
|
|
const string timediff(int64_t time1, int64_t time2, bool isDateTime)
|
|
{
|
|
long long seconds;
|
|
long long microseconds;
|
|
int l_sign = 1;
|
|
|
|
if ((time1 < 0 && time2 >= 0) || (time2 < 0 && time1 >= 0))
|
|
l_sign = -l_sign;
|
|
|
|
if (time1 > time2)
|
|
helpers::calc_time_diff(time1, time2, l_sign, &seconds, µseconds, isDateTime);
|
|
else
|
|
helpers::calc_time_diff(time2, time1, l_sign, &seconds, µseconds, isDateTime);
|
|
|
|
long t_seconds;
|
|
int hour = seconds / 3600L;
|
|
t_seconds = seconds % 3600L;
|
|
int minute = t_seconds / 60L;
|
|
int second = t_seconds % 60L;
|
|
|
|
// Bug 5099: Standardize to mysql behavior. No timediff may be > 838:59:59
|
|
if (hour > 838)
|
|
{
|
|
hour = 838;
|
|
minute = 59;
|
|
second = 59;
|
|
}
|
|
|
|
int sign = 0;
|
|
|
|
if (time1 < time2)
|
|
sign = 1;
|
|
|
|
char buf[256];
|
|
char* ptr = buf;
|
|
string time3;
|
|
|
|
if (microseconds == 0)
|
|
sprintf(ptr, "%s%02d:%02d:%02d", sign ? "-" : "", hour, minute, second);
|
|
else
|
|
sprintf(ptr, "%s%02d:%02d:%02d:%06lld", sign ? "-" : "", hour, minute, second, microseconds);
|
|
|
|
time3 = ptr;
|
|
|
|
return time3;
|
|
}
|
|
} // namespace helpers
|
|
|
|
bool treatIntAsDatetime(const std::string& text)
|
|
{
|
|
// min used when converting into to datetime is YYYYMMDD
|
|
// note: time diffing an int perceived to be in the format YYMMDD is actually treated as HHMMSS. Same
|
|
// functionality as MDB
|
|
bool isNeg = text.find("-") == 0;
|
|
return (text.length() > 8) || (text.length() >= 8 && !isNeg);
|
|
}
|
|
|
|
CalpontSystemCatalog::ColType Func_timediff::operationType(FunctionParm& fp,
|
|
CalpontSystemCatalog::ColType& resultType)
|
|
{
|
|
return resultType;
|
|
}
|
|
|
|
string Func_timediff::getStrVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
|
|
CalpontSystemCatalog::ColType& ct)
|
|
{
|
|
int16_t type1 = parm[0]->data()->resultType().colDataType;
|
|
int16_t type2 = parm[1]->data()->resultType().colDataType;
|
|
|
|
int64_t val1 = -1, val2 = -1;
|
|
bool isDate1 = false, isDate2 = false;
|
|
bool isTime1 = false, isTime2 = false;
|
|
std::string text;
|
|
|
|
switch (type1)
|
|
{
|
|
case execplan::CalpontSystemCatalog::DATE:
|
|
val1 = parm[0]->data()->getDatetimeIntVal(row, isNull);
|
|
isDate1 = true;
|
|
break;
|
|
|
|
case execplan::CalpontSystemCatalog::TIME:
|
|
isTime1 = true;
|
|
/* fall through */
|
|
case execplan::CalpontSystemCatalog::DATETIME:
|
|
// Diff between time and datetime returns NULL in MariaDB
|
|
if ((type2 == execplan::CalpontSystemCatalog::TIME ||
|
|
type2 == execplan::CalpontSystemCatalog::DATETIME) &&
|
|
type1 != type2)
|
|
{
|
|
isNull = true;
|
|
break;
|
|
}
|
|
val1 = parm[0]->data()->getDatetimeIntVal(row, isNull);
|
|
break;
|
|
|
|
case execplan::CalpontSystemCatalog::TIMESTAMP:
|
|
{
|
|
int64_t temp = parm[0]->data()->getTimestampIntVal(row, isNull);
|
|
dataconvert::TimeStamp timestamp(temp);
|
|
int64_t seconds = timestamp.second;
|
|
dataconvert::MySQLTime time;
|
|
dataconvert::gmtSecToMySQLTime(seconds, time, ct.getTimeZone());
|
|
dataconvert::DateTime dt;
|
|
dt.year = time.year;
|
|
dt.month = time.month;
|
|
dt.day = time.day;
|
|
dt.hour = time.hour;
|
|
dt.minute = time.minute;
|
|
dt.second = time.second;
|
|
dt.msecond = timestamp.msecond;
|
|
val1 = (int64_t) * (reinterpret_cast<int64_t*>(&dt));
|
|
|
|
break;
|
|
}
|
|
|
|
case execplan::CalpontSystemCatalog::VARCHAR:
|
|
case execplan::CalpontSystemCatalog::CHAR:
|
|
case execplan::CalpontSystemCatalog::TEXT:
|
|
text = parm[0]->data()->getStrVal(row, isNull);
|
|
|
|
if (text.length() >= 12) // datetime has length at least 12 (YYMMDDHHMMSS), convert others to time
|
|
{
|
|
val1 = dataconvert::DataConvert::stringToDatetime(text, &isDate1);
|
|
}
|
|
else
|
|
{
|
|
val1 = dataconvert::DataConvert::stringToTime(text);
|
|
isTime1 = true;
|
|
}
|
|
break;
|
|
|
|
case execplan::CalpontSystemCatalog::BIGINT:
|
|
case execplan::CalpontSystemCatalog::INT:
|
|
case execplan::CalpontSystemCatalog::MEDINT:
|
|
case execplan::CalpontSystemCatalog::TINYINT:
|
|
case execplan::CalpontSystemCatalog::SMALLINT:
|
|
text = parm[0]->data()->getStrVal(row, isNull);
|
|
if (treatIntAsDatetime(text))
|
|
val1 = dataconvert::DataConvert::intToDatetime(parm[0]->data()->getIntVal(row, isNull), &isDate1);
|
|
else
|
|
{
|
|
val1 = dataconvert::DataConvert::intToTime(parm[0]->data()->getIntVal(row, isNull));
|
|
isTime1 = true;
|
|
}
|
|
break;
|
|
|
|
case execplan::CalpontSystemCatalog::DECIMAL:
|
|
case execplan::CalpontSystemCatalog::UDECIMAL:
|
|
if (parm[0]->data()->resultType().scale != 0)
|
|
{
|
|
isNull = true;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
text = parm[0]->data()->getStrVal(row, isNull);
|
|
if (treatIntAsDatetime(text))
|
|
val1 = dataconvert::DataConvert::intToDatetime(parm[0]->data()->getIntVal(row, isNull), &isDate1);
|
|
else
|
|
{
|
|
val1 = dataconvert::DataConvert::intToTime(parm[0]->data()->getIntVal(row, isNull));
|
|
isTime1 = true;
|
|
}
|
|
break;
|
|
}
|
|
|
|
default: isNull = true;
|
|
}
|
|
|
|
switch (type2)
|
|
{
|
|
case execplan::CalpontSystemCatalog::DATE:
|
|
val2 = parm[1]->data()->getDatetimeIntVal(row, isNull);
|
|
isDate2 = true;
|
|
break;
|
|
|
|
case execplan::CalpontSystemCatalog::TIME:
|
|
isTime2 = true;
|
|
/* fall through */
|
|
case execplan::CalpontSystemCatalog::DATETIME:
|
|
val2 = parm[1]->data()->getDatetimeIntVal(row, isNull);
|
|
break;
|
|
|
|
case execplan::CalpontSystemCatalog::TIMESTAMP:
|
|
{
|
|
int64_t temp = parm[1]->data()->getTimestampIntVal(row, isNull);
|
|
dataconvert::TimeStamp timestamp(temp);
|
|
int64_t seconds = timestamp.second;
|
|
dataconvert::MySQLTime time;
|
|
dataconvert::gmtSecToMySQLTime(seconds, time, ct.getTimeZone());
|
|
dataconvert::DateTime dt;
|
|
dt.year = time.year;
|
|
dt.month = time.month;
|
|
dt.day = time.day;
|
|
dt.hour = time.hour;
|
|
dt.minute = time.minute;
|
|
dt.second = time.second;
|
|
dt.msecond = timestamp.msecond;
|
|
val2 = (int64_t) * (reinterpret_cast<int64_t*>(&dt));
|
|
break;
|
|
}
|
|
|
|
case execplan::CalpontSystemCatalog::VARCHAR:
|
|
case execplan::CalpontSystemCatalog::CHAR:
|
|
case execplan::CalpontSystemCatalog::TEXT:
|
|
text = parm[1]->data()->getStrVal(row, isNull);
|
|
if (text.length() >= 12) // datetime has length at least 12 (YYMMDDHHMMSS), convert others to time
|
|
{
|
|
val2 = dataconvert::DataConvert::stringToDatetime(text, &isDate2);
|
|
}
|
|
else
|
|
{
|
|
val2 = dataconvert::DataConvert::stringToTime(text);
|
|
isTime2 = true;
|
|
}
|
|
break;
|
|
|
|
case execplan::CalpontSystemCatalog::BIGINT:
|
|
case execplan::CalpontSystemCatalog::INT:
|
|
case execplan::CalpontSystemCatalog::MEDINT:
|
|
case execplan::CalpontSystemCatalog::TINYINT:
|
|
case execplan::CalpontSystemCatalog::SMALLINT:
|
|
text = parm[1]->data()->getStrVal(row, isNull);
|
|
if (treatIntAsDatetime(text))
|
|
val2 = dataconvert::DataConvert::intToDatetime(parm[1]->data()->getIntVal(row, isNull), &isDate2);
|
|
else
|
|
{
|
|
val2 = dataconvert::DataConvert::intToTime(parm[1]->data()->getIntVal(row, isNull));
|
|
isTime2 = true;
|
|
}
|
|
break;
|
|
|
|
case execplan::CalpontSystemCatalog::DECIMAL:
|
|
case execplan::CalpontSystemCatalog::UDECIMAL:
|
|
if (parm[1]->data()->resultType().scale != 0)
|
|
{
|
|
isNull = true;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
text = parm[1]->data()->getStrVal(row, isNull);
|
|
if (treatIntAsDatetime(text))
|
|
val2 = dataconvert::DataConvert::intToDatetime(parm[1]->data()->getIntVal(row, isNull), &isDate2);
|
|
else
|
|
{
|
|
val2 = dataconvert::DataConvert::intToTime(parm[1]->data()->getIntVal(row, isNull));
|
|
isTime2 = true;
|
|
}
|
|
break;
|
|
}
|
|
|
|
default: isNull = true;
|
|
}
|
|
|
|
if (isNull || val1 == -1 || val2 == -1)
|
|
{
|
|
isNull = true;
|
|
return "";
|
|
}
|
|
|
|
// both date format or both datetime format. Diff between time and datetime returns NULL in MariaDB
|
|
if ((isDate1 && isDate2) || ((!isDate1 && !isDate2) && (isTime1 == isTime2)))
|
|
return helpers::timediff(val1, val2, !isTime1);
|
|
|
|
isNull = true;
|
|
return "";
|
|
}
|
|
|
|
int64_t Func_timediff::getDatetimeIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
|
|
CalpontSystemCatalog::ColType& ct)
|
|
{
|
|
return dataconvert::DataConvert::datetimeToInt(getStrVal(row, parm, isNull, ct));
|
|
}
|
|
|
|
int64_t Func_timediff::getTimestampIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
|
|
CalpontSystemCatalog::ColType& ct)
|
|
{
|
|
return dataconvert::DataConvert::timestampToInt(getStrVal(row, parm, isNull, ct), ct.getTimeZone());
|
|
}
|
|
|
|
int64_t Func_timediff::getTimeIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
|
|
CalpontSystemCatalog::ColType& ct)
|
|
{
|
|
return dataconvert::DataConvert::timeToInt(getStrVal(row, parm, isNull, ct));
|
|
}
|
|
|
|
int64_t Func_timediff::getIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
|
|
CalpontSystemCatalog::ColType& ct)
|
|
{
|
|
// @bug 3585
|
|
// return dataconvert::DataConvert::datetimeToInt(getStrVal(row, parm, isNull, ct));
|
|
return strtoll(getStrVal(row, parm, isNull, ct).c_str(), 0, 10);
|
|
}
|
|
|
|
double Func_timediff::getDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
|
|
execplan::CalpontSystemCatalog::ColType& op_ct)
|
|
{
|
|
// @bug 3585
|
|
// return (double)dataconvert::DataConvert::datetimeToInt(getStrVal(row, fp, isNull, op_ct));
|
|
return atof(getStrVal(row, fp, isNull, op_ct).c_str());
|
|
}
|
|
|
|
} // namespace funcexp
|