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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_timestampdiff.cpp 3921 2013-06-19 18:59:56Z bwilkinson $
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*
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*
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****************************************************************************/
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* $Id: func_timestampdiff.cpp 3921 2013-06-19 18:59:56Z bwilkinson $
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*
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*
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****************************************************************************/
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#include <cstdlib>
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#include <string>
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@ -39,172 +39,161 @@ using namespace dataconvert;
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namespace funcexp
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{
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CalpontSystemCatalog::ColType Func_timestampdiff::operationType( FunctionParm& fp, CalpontSystemCatalog::ColType& resultType )
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CalpontSystemCatalog::ColType Func_timestampdiff::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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int64_t Func_timestampdiff::getIntVal(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull,
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int64_t Func_timestampdiff::getIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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CalpontSystemCatalog::ColType& op_ct)
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{
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int64_t val1, val2;
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DateTime dt1, dt2;
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if (parm[0]->data()->resultType().colDataType == execplan::CalpontSystemCatalog::TIMESTAMP)
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int64_t val1, val2;
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DateTime dt1, dt2;
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if (parm[0]->data()->resultType().colDataType == execplan::CalpontSystemCatalog::TIMESTAMP)
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{
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TimeStamp timestamp(parm[0]->data()->getTimestampIntVal(row, isNull));
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int64_t seconds = timestamp.second;
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MySQLTime m_time;
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gmtSecToMySQLTime(seconds, m_time, timeZone());
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dt1.year = m_time.year;
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dt1.month = m_time.month;
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dt1.day = m_time.day;
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dt1.hour = m_time.hour;
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dt1.minute = m_time.minute;
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dt1.second = m_time.second;
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dt1.msecond = timestamp.msecond;
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val1 = *(reinterpret_cast<int64_t*>(&dt1));
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}
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else
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{
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val1 = parm[0]->data()->getDatetimeIntVal(row, isNull);
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dt1.year = (val1 >> 48) & 0xffff;
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dt1.month = (val1 >> 44) & 0xf;
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dt1.day = (val1 >> 38) & 0x3f;
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dt1.hour = (val1 >> 32) & 0x3f;
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dt1.minute = (val1 >> 26) & 0x3f;
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dt1.second = (val1 >> 20) & 0x3f;
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dt1.msecond = val1 & 0xfffff;
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}
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if (parm[1]->data()->resultType().colDataType == execplan::CalpontSystemCatalog::TIMESTAMP)
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{
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TimeStamp timestamp(parm[1]->data()->getTimestampIntVal(row, isNull));
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int64_t seconds = timestamp.second;
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MySQLTime m_time;
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gmtSecToMySQLTime(seconds, m_time, timeZone());
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dt2.year = m_time.year;
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dt2.month = m_time.month;
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dt2.day = m_time.day;
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dt2.hour = m_time.hour;
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dt2.minute = m_time.minute;
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dt2.second = m_time.second;
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dt2.msecond = timestamp.msecond;
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val2 = *(reinterpret_cast<int64_t*>(&dt2));
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}
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else
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{
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val2 = parm[1]->data()->getDatetimeIntVal(row, isNull);
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dt2.year = (val2 >> 48) & 0xffff;
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dt2.month = (val2 >> 44) & 0xf;
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dt2.day = (val2 >> 38) & 0x3f;
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dt2.hour = (val2 >> 32) & 0x3f;
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dt2.minute = (val2 >> 26) & 0x3f;
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dt2.second = (val2 >> 20) & 0x3f;
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dt2.msecond = val2 & 0xfffff;
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}
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IntervalColumn::interval_type unit =
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static_cast<IntervalColumn::interval_type>(parm[2]->data()->getIntVal(row, isNull));
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int64_t diff = 0;
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// unit: MICROSECOND, SECOND, MINUTE, HOUR, DAY, WEEK, MONTH, QUARTER, or YEAR
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int64_t monthdiff =
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((int64_t)dt2.month - (int64_t)dt1.month) + ((int64_t)dt2.year - (int64_t)dt1.year) * 12;
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if (unit == IntervalColumn::INTERVAL_YEAR)
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{
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diff = monthdiff / 12;
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}
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else if (unit == IntervalColumn::INTERVAL_MONTH)
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{
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diff = monthdiff;
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if (dt2.day < dt1.day && monthdiff > 0)
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diff = monthdiff - 1;
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else if (dt1.day < dt2.day && monthdiff < 0)
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diff = monthdiff + 1;
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}
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else if (unit == IntervalColumn::INTERVAL_QUARTER)
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{
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diff = monthdiff / 3;
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int daydiff = monthdiff % 3;
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if (daydiff == 0)
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{
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TimeStamp timestamp(parm[0]->data()->getTimestampIntVal(row, isNull));
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int64_t seconds = timestamp.second;
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MySQLTime m_time;
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gmtSecToMySQLTime(seconds, m_time, timeZone());
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dt1.year = m_time.year;
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dt1.month = m_time.month;
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dt1.day = m_time.day;
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dt1.hour = m_time.hour;
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dt1.minute = m_time.minute;
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dt1.second = m_time.second;
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dt1.msecond = timestamp.msecond;
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val1 = *(reinterpret_cast<int64_t*>(&dt1));
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}
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else
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{
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val1 = parm[0]->data()->getDatetimeIntVal(row, isNull);
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dt1.year = (val1 >> 48) & 0xffff;
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dt1.month = (val1 >> 44) & 0xf;
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dt1.day = (val1 >> 38) & 0x3f;
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dt1.hour = (val1 >> 32) & 0x3f;
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dt1.minute = (val1 >> 26) & 0x3f;
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dt1.second = (val1 >> 20) & 0x3f;
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dt1.msecond = val1 & 0xfffff;
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if (dt2.day < dt1.day && monthdiff > 0)
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diff--;
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else if (dt1.day < dt2.day && monthdiff < 0)
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diff++;
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}
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}
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else
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{
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int64_t seconds = 0, mseconds = 0;
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int l_sign = 1;
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int l_sign3;
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if (parm[1]->data()->resultType().colDataType == execplan::CalpontSystemCatalog::TIMESTAMP)
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{
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TimeStamp timestamp(parm[1]->data()->getTimestampIntVal(row, isNull));
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int64_t seconds = timestamp.second;
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MySQLTime m_time;
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gmtSecToMySQLTime(seconds, m_time, timeZone());
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dt2.year = m_time.year;
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dt2.month = m_time.month;
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dt2.day = m_time.day;
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dt2.hour = m_time.hour;
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dt2.minute = m_time.minute;
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dt2.second = m_time.second;
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dt2.msecond = timestamp.msecond;
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val2 = *(reinterpret_cast<int64_t*>(&dt2));
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}
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else
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{
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val2 = parm[1]->data()->getDatetimeIntVal(row, isNull);
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dt2.year = (val2 >> 48) & 0xffff;
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dt2.month = (val2 >> 44) & 0xf;
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dt2.day = (val2 >> 38) & 0x3f;
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dt2.hour = (val2 >> 32) & 0x3f;
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dt2.minute = (val2 >> 26) & 0x3f;
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dt2.second = (val2 >> 20) & 0x3f;
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dt2.msecond = val2 & 0xfffff;
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}
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l_sign3 = helpers::calc_time_diff(val2, val1, l_sign, (long long*)&seconds, (long long*)&mseconds);
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l_sign3 = (l_sign3 == 0 ? 1 : -1);
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IntervalColumn::interval_type unit = static_cast<IntervalColumn::interval_type>(parm[2]->data()->getIntVal(row, isNull));
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if (unit == IntervalColumn::INTERVAL_SECOND)
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diff = l_sign3 * seconds;
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else if (unit == IntervalColumn::INTERVAL_MICROSECOND)
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diff = l_sign3 * (seconds * 1000000L + mseconds);
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else if (unit == IntervalColumn::INTERVAL_MINUTE)
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diff = l_sign3 * (seconds / 60L);
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else if (unit == IntervalColumn::INTERVAL_HOUR)
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diff = l_sign3 * (seconds / 3600L);
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else if (unit == IntervalColumn::INTERVAL_DAY)
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diff = l_sign3 * (seconds / (24L * 3600L));
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else if (unit == IntervalColumn::INTERVAL_WEEK)
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diff = l_sign3 * (seconds / (24L * 3600L) / 7L);
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}
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int64_t diff = 0;
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// unit: MICROSECOND, SECOND, MINUTE, HOUR, DAY, WEEK, MONTH, QUARTER, or YEAR
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int64_t monthdiff = ((int64_t)dt2.month - (int64_t)dt1.month) +
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((int64_t)dt2.year - (int64_t)dt1.year) * 12;
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if (unit == IntervalColumn::INTERVAL_YEAR)
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{
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diff = monthdiff / 12;
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}
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else if (unit == IntervalColumn::INTERVAL_MONTH)
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{
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diff = monthdiff;
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if (dt2.day < dt1.day && monthdiff > 0)
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diff = monthdiff - 1;
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else if (dt1.day < dt2.day && monthdiff < 0)
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diff = monthdiff + 1;
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}
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else if (unit == IntervalColumn::INTERVAL_QUARTER)
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{
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diff = monthdiff / 3;
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int daydiff = monthdiff % 3;
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if (daydiff == 0)
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{
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if (dt2.day < dt1.day && monthdiff > 0)
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diff --;
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else if (dt1.day < dt2.day && monthdiff < 0)
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diff ++;
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}
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}
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else
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{
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int64_t seconds = 0, mseconds = 0;
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int l_sign = 1;
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int l_sign3;
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l_sign3 = helpers::calc_time_diff(val2, val1, l_sign, (long long*)&seconds, (long long*)&mseconds);
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l_sign3 = (l_sign3 == 0 ? 1 : -1);
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if (unit == IntervalColumn::INTERVAL_SECOND)
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diff = l_sign3 * seconds;
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else if (unit == IntervalColumn::INTERVAL_MICROSECOND)
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diff = l_sign3 * (seconds * 1000000L + mseconds);
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else if (unit == IntervalColumn::INTERVAL_MINUTE)
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diff = l_sign3 * (seconds / 60L);
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else if (unit == IntervalColumn::INTERVAL_HOUR)
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diff = l_sign3 * (seconds / 3600L);
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else if (unit == IntervalColumn::INTERVAL_DAY)
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diff = l_sign3 * (seconds / (24L * 3600L));
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else if (unit == IntervalColumn::INTERVAL_WEEK)
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diff = l_sign3 * (seconds / (24L * 3600L) / 7L);
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}
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return diff;
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return diff;
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}
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string Func_timestampdiff::getStrVal(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull,
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string Func_timestampdiff::getStrVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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{
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return intToString(getIntVal(row, parm, isNull, ct));
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return intToString(getIntVal(row, parm, isNull, ct));
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}
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int32_t Func_timestampdiff::getDateIntVal(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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int32_t Func_timestampdiff::getDateIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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{
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return getIntVal(row, parm, isNull, ct);
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return getIntVal(row, parm, isNull, ct);
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}
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int64_t Func_timestampdiff::getDatetimeIntVal(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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int64_t Func_timestampdiff::getDatetimeIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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{
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return getIntVal(row, parm, isNull, ct);
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return getIntVal(row, parm, isNull, ct);
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}
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int64_t Func_timestampdiff::getTimestampIntVal(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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int64_t Func_timestampdiff::getTimestampIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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{
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return getIntVal(row, parm, isNull, ct);
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return getIntVal(row, parm, isNull, ct);
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}
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int64_t Func_timestampdiff::getTimeIntVal(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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int64_t Func_timestampdiff::getTimeIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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{
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return getIntVal(row, parm, isNull, ct);
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return getIntVal(row, parm, isNull, ct);
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}
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} // namespace funcexp
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} // namespace funcexp
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// vim:ts=4 sw=4:
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