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Leonid Fedorov
@ -16,10 +16,10 @@
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MA 02110-1301, USA. */
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/****************************************************************************
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* $Id: func_timediff.cpp 3696 2013-04-05 18:07:21Z dhall $
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*
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*
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****************************************************************************/
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* $Id: func_timediff.cpp 3696 2013-04-05 18:07:21Z dhall $
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*
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*
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****************************************************************************/
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#include <algorithm>
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#include <cstdlib>
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@ -44,328 +44,314 @@ namespace funcexp
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{
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namespace helpers
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{
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const string timediff( int64_t time1, int64_t time2, bool isDateTime)
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const string timediff(int64_t time1, int64_t time2, bool isDateTime)
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{
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long long seconds;
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long long microseconds;
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int l_sign = 1;
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long long seconds;
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long long microseconds;
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int l_sign = 1;
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if ( (time1 < 0 && time2 >= 0) ||
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(time2 < 0 && time1 >= 0) )
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l_sign = -l_sign;
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if ((time1 < 0 && time2 >= 0) || (time2 < 0 && time1 >= 0))
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l_sign = -l_sign;
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if ( time1 > time2 )
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helpers::calc_time_diff(time1, time2, l_sign, &seconds, µseconds, isDateTime);
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else
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helpers::calc_time_diff(time2, time1, l_sign, &seconds, µseconds, isDateTime);
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if (time1 > time2)
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helpers::calc_time_diff(time1, time2, l_sign, &seconds, µseconds, isDateTime);
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else
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helpers::calc_time_diff(time2, time1, l_sign, &seconds, µseconds, isDateTime);
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long t_seconds;
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int hour = seconds / 3600L;
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t_seconds = seconds % 3600L;
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int minute = t_seconds / 60L;
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int second = t_seconds % 60L;
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long t_seconds;
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int hour = seconds / 3600L;
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t_seconds = seconds % 3600L;
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int minute = t_seconds / 60L;
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int second = t_seconds % 60L;
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// Bug 5099: Standardize to mysql behavior. No timediff may be > 838:59:59
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if (hour > 838)
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{
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hour = 838;
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minute = 59;
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second = 59;
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}
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// Bug 5099: Standardize to mysql behavior. No timediff may be > 838:59:59
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if (hour > 838)
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{
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hour = 838;
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minute = 59;
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second = 59;
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}
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int sign = 0;
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int sign = 0;
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if ( time1 < time2 )
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sign = 1;
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if (time1 < time2)
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sign = 1;
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char buf[256];
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char* ptr = buf;
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string time3;
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char buf[256];
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char* ptr = buf;
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string time3;
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if ( microseconds == 0 )
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sprintf (ptr, "%s%02d:%02d:%02d", sign ? "-" : "", hour, minute, second);
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else
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sprintf (ptr, "%s%02d:%02d:%02d:%06lld", sign ? "-" : "", hour, minute, second, microseconds);
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if (microseconds == 0)
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sprintf(ptr, "%s%02d:%02d:%02d", sign ? "-" : "", hour, minute, second);
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else
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sprintf(ptr, "%s%02d:%02d:%02d:%06lld", sign ? "-" : "", hour, minute, second, microseconds);
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time3 = ptr;
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time3 = ptr;
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return time3;
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}
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return time3;
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}
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} // namespace helpers
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bool treatIntAsDatetime(const std::string &text)
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bool treatIntAsDatetime(const std::string& text)
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{
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// min used when converting into to datetime is YYYYMMDD
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// note: time diffing an int perceived to be in the format YYMMDD is actually treated as HHMMSS. Same functionality as MDB
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bool isNeg = text.find("-") == 0;
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return (text.length() > 8) || (text.length() >= 8 && !isNeg);
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// min used when converting into to datetime is YYYYMMDD
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// note: time diffing an int perceived to be in the format YYMMDD is actually treated as HHMMSS. Same
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// functionality as MDB
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bool isNeg = text.find("-") == 0;
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return (text.length() > 8) || (text.length() >= 8 && !isNeg);
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}
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CalpontSystemCatalog::ColType Func_timediff::operationType( FunctionParm& fp, CalpontSystemCatalog::ColType& resultType )
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CalpontSystemCatalog::ColType Func_timediff::operationType(FunctionParm& fp,
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CalpontSystemCatalog::ColType& resultType)
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{
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return resultType;
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return resultType;
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}
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string Func_timediff::getStrVal(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull,
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string Func_timediff::getStrVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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{
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int16_t type1 = parm[0]->data()->resultType().colDataType;
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int16_t type2 = parm[1]->data()->resultType().colDataType;
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int16_t type1 = parm[0]->data()->resultType().colDataType;
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int16_t type2 = parm[1]->data()->resultType().colDataType;
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int64_t val1 = -1, val2 = -1;
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bool isDate1 = false, isDate2 = false;
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bool isTime1 = false, isTime2 = false;
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std::string text;
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int64_t val1 = -1, val2 = -1;
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bool isDate1 = false, isDate2 = false;
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bool isTime1 = false, isTime2 = false;
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std::string text;
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switch (type1)
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{
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case execplan::CalpontSystemCatalog::DATE:
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val1 = parm[0]->data()->getDatetimeIntVal(row, isNull);
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isDate1 = true;
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break;
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switch (type1)
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{
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case execplan::CalpontSystemCatalog::DATE:
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val1 = parm[0]->data()->getDatetimeIntVal(row, isNull);
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isDate1 = true;
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break;
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case execplan::CalpontSystemCatalog::TIME:
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isTime1 = true;
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/* fall through */
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case execplan::CalpontSystemCatalog::DATETIME:
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// Diff between time and datetime returns NULL in MariaDB
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if ((type2 == execplan::CalpontSystemCatalog::TIME ||
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type2 == execplan::CalpontSystemCatalog::DATETIME) &&
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type1 != type2)
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{
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isNull = true;
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break;
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}
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val1 = parm[0]->data()->getDatetimeIntVal(row, isNull);
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break;
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case execplan::CalpontSystemCatalog::TIMESTAMP:
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{
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if (type1 != type2)
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{
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isNull = true;
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break;
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}
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int64_t temp = parm[0]->data()->getTimestampIntVal(row, isNull);
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dataconvert::TimeStamp timestamp(temp);
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int64_t seconds = timestamp.second;
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dataconvert::MySQLTime time;
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dataconvert::gmtSecToMySQLTime(seconds, time, timeZone());
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dataconvert::DateTime dt;
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dt.year = time.year;
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dt.month = time.month;
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dt.day = time.day;
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dt.hour = time.hour;
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dt.minute = time.minute;
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dt.second = time.second;
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dt.msecond = timestamp.msecond;
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val1 = (int64_t) *(reinterpret_cast<int64_t*>(&dt));
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break;
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}
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case execplan::CalpontSystemCatalog::VARCHAR:
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case execplan::CalpontSystemCatalog::CHAR:
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case execplan::CalpontSystemCatalog::TEXT:
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text = parm[0]->data()->getStrVal(row, isNull);
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if (text.length() >= 12) // datetime has length at least 12 (YYMMDDHHMMSS), convert others to time
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{
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val1 = dataconvert::DataConvert::stringToDatetime(text, &isDate1);
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}
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else
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{
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val1 = dataconvert::DataConvert::stringToTime(text);
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isTime1 = true;
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}
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break;
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case execplan::CalpontSystemCatalog::BIGINT:
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case execplan::CalpontSystemCatalog::INT:
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case execplan::CalpontSystemCatalog::MEDINT:
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case execplan::CalpontSystemCatalog::TINYINT:
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case execplan::CalpontSystemCatalog::SMALLINT:
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text = parm[0]->data()->getStrVal(row, isNull);
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if (treatIntAsDatetime(text))
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val1 = dataconvert::DataConvert::intToDatetime(parm[0]->data()->getIntVal(row, isNull), &isDate1);
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else
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{
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val1 = dataconvert::DataConvert::intToTime(parm[0]->data()->getIntVal(row, isNull));
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isTime1 = true;
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}
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break;
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case execplan::CalpontSystemCatalog::DECIMAL:
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case execplan::CalpontSystemCatalog::UDECIMAL:
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if (parm[0]->data()->resultType().scale != 0)
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{
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isNull = true;
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break;
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}
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else
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{
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text = parm[0]->data()->getStrVal(row, isNull);
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if (treatIntAsDatetime(text))
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val1 = dataconvert::DataConvert::intToDatetime(parm[0]->data()->getIntVal(row, isNull), &isDate1);
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else
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{
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val1 = dataconvert::DataConvert::intToTime(parm[0]->data()->getIntVal(row, isNull));
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isTime1 = true;
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}
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break;
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}
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default:
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isNull = true;
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}
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switch (type2)
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{
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case execplan::CalpontSystemCatalog::DATE:
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val2 = parm[1]->data()->getDatetimeIntVal(row, isNull);
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isDate2 = true;
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break;
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case execplan::CalpontSystemCatalog::TIME:
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isTime2 = true;
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/* fall through */
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case execplan::CalpontSystemCatalog::DATETIME:
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val2 = parm[1]->data()->getDatetimeIntVal(row, isNull);
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break;
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case execplan::CalpontSystemCatalog::TIMESTAMP:
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{
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int64_t temp = parm[1]->data()->getTimestampIntVal(row, isNull);
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dataconvert::TimeStamp timestamp(temp);
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int64_t seconds = timestamp.second;
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dataconvert::MySQLTime time;
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dataconvert::gmtSecToMySQLTime(seconds, time, timeZone());
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dataconvert::DateTime dt;
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dt.year = time.year;
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dt.month = time.month;
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dt.day = time.day;
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dt.hour = time.hour;
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dt.minute = time.minute;
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dt.second = time.second;
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dt.msecond = timestamp.msecond;
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val2 = (int64_t) *(reinterpret_cast<int64_t*>(&dt));
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break;
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}
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case execplan::CalpontSystemCatalog::VARCHAR:
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case execplan::CalpontSystemCatalog::CHAR:
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case execplan::CalpontSystemCatalog::TEXT:
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text = parm[1]->data()->getStrVal(row, isNull);
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if (text.length() >= 12) // datetime has length at least 12 (YYMMDDHHMMSS), convert others to time
|
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{
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val2 = dataconvert::DataConvert::stringToDatetime(text, &isDate2);
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}
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else
|
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{
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val2 = dataconvert::DataConvert::stringToTime(text);
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isTime2 = true;
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}
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break;
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case execplan::CalpontSystemCatalog::BIGINT:
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case execplan::CalpontSystemCatalog::INT:
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case execplan::CalpontSystemCatalog::MEDINT:
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case execplan::CalpontSystemCatalog::TINYINT:
|
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case execplan::CalpontSystemCatalog::SMALLINT:
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text = parm[1]->data()->getStrVal(row, isNull);
|
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if (treatIntAsDatetime(text))
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val2 = dataconvert::DataConvert::intToDatetime(parm[1]->data()->getIntVal(row, isNull), &isDate2);
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else
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{
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val2 = dataconvert::DataConvert::intToTime(parm[1]->data()->getIntVal(row, isNull));
|
||||
isTime2 = true;
|
||||
}
|
||||
break;
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||||
|
||||
case execplan::CalpontSystemCatalog::DECIMAL:
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case execplan::CalpontSystemCatalog::UDECIMAL:
|
||||
if (parm[1]->data()->resultType().scale != 0)
|
||||
{
|
||||
isNull = true;
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||||
break;
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||||
}
|
||||
else
|
||||
{
|
||||
text = parm[1]->data()->getStrVal(row, isNull);
|
||||
if (treatIntAsDatetime(text))
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||||
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)
|
||||
{
|
||||
case execplan::CalpontSystemCatalog::TIME:
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||||
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;
|
||||
return "";
|
||||
break;
|
||||
}
|
||||
val1 = parm[0]->data()->getDatetimeIntVal(row, isNull);
|
||||
break;
|
||||
|
||||
case execplan::CalpontSystemCatalog::TIMESTAMP:
|
||||
{
|
||||
if (type1 != type2)
|
||||
{
|
||||
isNull = true;
|
||||
break;
|
||||
}
|
||||
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, timeZone());
|
||||
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;
|
||||
}
|
||||
|
||||
// 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);
|
||||
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, timeZone());
|
||||
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)
|
||||
int64_t Func_timediff::getDatetimeIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
|
||||
CalpontSystemCatalog::ColType& ct)
|
||||
{
|
||||
return dataconvert::DataConvert::datetimeToInt(getStrVal(row, parm, isNull, 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)
|
||||
int64_t Func_timediff::getTimestampIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
|
||||
CalpontSystemCatalog::ColType& ct)
|
||||
{
|
||||
return dataconvert::DataConvert::timestampToInt(getStrVal(row, parm, isNull, ct), timeZone());
|
||||
return dataconvert::DataConvert::timestampToInt(getStrVal(row, parm, isNull, ct), timeZone());
|
||||
}
|
||||
|
||||
int64_t Func_timediff::getTimeIntVal(rowgroup::Row& row,
|
||||
FunctionParm& parm,
|
||||
bool& isNull,
|
||||
int64_t Func_timediff::getTimeIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
|
||||
CalpontSystemCatalog::ColType& ct)
|
||||
{
|
||||
return dataconvert::DataConvert::timeToInt(getStrVal(row, parm, isNull, ct));
|
||||
return dataconvert::DataConvert::timeToInt(getStrVal(row, parm, isNull, ct));
|
||||
}
|
||||
|
||||
int64_t Func_timediff::getIntVal(rowgroup::Row& row,
|
||||
FunctionParm& parm,
|
||||
bool& isNull,
|
||||
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);
|
||||
// @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,
|
||||
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());
|
||||
// @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
|
||||
} // namespace funcexp
|
||||
// vim:ts=4 sw=4:
|
||||
|
||||
Reference in New Issue
Block a user