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Leonid Fedorov
@ -17,10 +17,10 @@
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MA 02110-1301, USA. */
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/****************************************************************************
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* $Id: func_from_unixtime.cpp 3923 2013-06-19 21:43:06Z bwilkinson $
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*
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*
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****************************************************************************/
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* $Id: func_from_unixtime.cpp 3923 2013-06-19 21:43:06Z bwilkinson $
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*
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*
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****************************************************************************/
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#include <unistd.h>
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#include <cstdlib>
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@ -36,202 +36,180 @@ using namespace execplan;
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#include "dataconvert.h"
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using namespace dataconvert;
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namespace
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{
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using namespace funcexp;
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DateTime getDateTime(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull)
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DateTime getDateTime(rowgroup::Row& row, FunctionParm& parm, bool& isNull)
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{
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int64_t val = 0;
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uint32_t msec = 0;
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int64_t val = 0;
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uint32_t msec = 0;
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switch (parm[0]->data()->resultType().colDataType)
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switch (parm[0]->data()->resultType().colDataType)
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{
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case execplan::CalpontSystemCatalog::FLOAT:
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case execplan::CalpontSystemCatalog::DOUBLE:
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{
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case execplan::CalpontSystemCatalog::FLOAT:
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case execplan::CalpontSystemCatalog::DOUBLE:
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{
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double value = parm[0]->data()->getDoubleVal(row, isNull);
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double fracpart, intpart;
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fracpart = modf(value, &intpart);
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val = (int64_t)intpart;
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msec = (uint32_t)(fracpart * IDB_pow[parm[0]->data()->resultType().scale]);
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break;
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}
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case execplan::CalpontSystemCatalog::DECIMAL:
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case execplan::CalpontSystemCatalog::UDECIMAL:
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{
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IDB_Decimal dec = parm[0]->data()->getDecimalVal(row, isNull);
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double value = parm[0]->data()->getDoubleVal(row, isNull);
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double fracpart, intpart;
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fracpart = modf(value, &intpart);
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val = (int64_t)intpart;
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msec = (uint32_t)(fracpart * IDB_pow[parm[0]->data()->resultType().scale]);
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break;
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}
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case execplan::CalpontSystemCatalog::DECIMAL:
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case execplan::CalpontSystemCatalog::UDECIMAL:
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{
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IDB_Decimal dec = parm[0]->data()->getDecimalVal(row, isNull);
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if (parm[0]->data()->resultType().colWidth == datatypes::MAXDECIMALWIDTH)
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{
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auto integralAndFractional = dec.getIntegralAndFractional();
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val = static_cast<int64_t>(integralAndFractional.first);
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msec = static_cast<uint32_t>(integralAndFractional.second);
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}
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else
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{
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val = dec.value / IDB_pow[dec.scale];
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msec = dec.value % IDB_pow[dec.scale];
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}
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break;
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}
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default:
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val = parm[0]->data()->getDatetimeIntVal(row, isNull);
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if (parm[0]->data()->resultType().colWidth == datatypes::MAXDECIMALWIDTH)
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{
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auto integralAndFractional = dec.getIntegralAndFractional();
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val = static_cast<int64_t>(integralAndFractional.first);
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msec = static_cast<uint32_t>(integralAndFractional.second);
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}
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else
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{
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val = dec.value / IDB_pow[dec.scale];
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msec = dec.value % IDB_pow[dec.scale];
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}
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break;
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}
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if (val < 0 || val > helpers::TIMESTAMP_MAX_VALUE)
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return 0;
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default: val = parm[0]->data()->getDatetimeIntVal(row, isNull);
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}
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DateTime dt;
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if (val < 0 || val > helpers::TIMESTAMP_MAX_VALUE)
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return 0;
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struct tm tmp_tm;
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time_t tmp_t = (time_t)val;
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localtime_r(&tmp_t, &tmp_tm);
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DateTime dt;
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//to->neg=0;
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dt.year = (int64_t) ((tmp_tm.tm_year + 1900) % 10000);
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dt.month = (int64_t) tmp_tm.tm_mon + 1;
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dt.day = (int64_t) tmp_tm.tm_mday;
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dt.hour = (int64_t) tmp_tm.tm_hour;
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dt.minute = (int64_t) tmp_tm.tm_min;
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dt.second = (int64_t) tmp_tm.tm_sec;
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dt.msecond = msec;
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return dt;
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}
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struct tm tmp_tm;
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time_t tmp_t = (time_t)val;
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localtime_r(&tmp_t, &tmp_tm);
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// to->neg=0;
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dt.year = (int64_t)((tmp_tm.tm_year + 1900) % 10000);
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dt.month = (int64_t)tmp_tm.tm_mon + 1;
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dt.day = (int64_t)tmp_tm.tm_mday;
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dt.hour = (int64_t)tmp_tm.tm_hour;
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dt.minute = (int64_t)tmp_tm.tm_min;
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dt.second = (int64_t)tmp_tm.tm_sec;
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dt.msecond = msec;
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return dt;
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}
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} // namespace
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namespace funcexp
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{
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CalpontSystemCatalog::ColType Func_from_unixtime::operationType( FunctionParm& fp, CalpontSystemCatalog::ColType& resultType )
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CalpontSystemCatalog::ColType Func_from_unixtime::operationType(FunctionParm& fp,
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CalpontSystemCatalog::ColType& resultType)
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{
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CalpontSystemCatalog::ColType ct;
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ct.colDataType = CalpontSystemCatalog::VARCHAR;
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ct.colWidth = 255;
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return ct;
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CalpontSystemCatalog::ColType ct;
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ct.colDataType = CalpontSystemCatalog::VARCHAR;
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ct.colWidth = 255;
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return ct;
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}
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string Func_from_unixtime::getStrVal(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull,
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string Func_from_unixtime::getStrVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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CalpontSystemCatalog::ColType&)
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{
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DateTime dt = getDateTime(row, parm, isNull);
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DateTime dt = getDateTime(row, parm, isNull);
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if (*reinterpret_cast<int64_t*>(&dt) == 0)
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{
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isNull = true;
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return "";
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}
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if (*reinterpret_cast<int64_t*>(&dt) == 0)
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{
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isNull = true;
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return "";
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}
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if (parm.size() == 2)
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{
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const string& format = parm[1]->data()->getStrVal(row, isNull);
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return helpers::IDB_date_format(dt, format);
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}
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if (parm.size() == 2)
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{
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const string& format = parm[1]->data()->getStrVal(row, isNull);
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return helpers::IDB_date_format(dt, format);
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}
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char buf[256] = {0};
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DataConvert::datetimeToString(*(reinterpret_cast<int64_t*>(&dt)), buf, 255);
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return string(buf, 255);
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char buf[256] = {0};
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DataConvert::datetimeToString(*(reinterpret_cast<int64_t*>(&dt)), buf, 255);
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return string(buf, 255);
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}
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int32_t Func_from_unixtime::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_from_unixtime::getDateIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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{
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return (((getDatetimeIntVal(row, parm, isNull, ct) >> 32) & 0xFFFFFFC0) | 0x3E);
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return (((getDatetimeIntVal(row, parm, isNull, ct) >> 32) & 0xFFFFFFC0) | 0x3E);
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}
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int64_t Func_from_unixtime::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_from_unixtime::getDatetimeIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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{
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DateTime dt = getDateTime(row, parm, isNull);
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DateTime dt = getDateTime(row, parm, isNull);
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if (*reinterpret_cast<int64_t*>(&dt) == 0)
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{
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isNull = true;
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return 0;
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}
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if (*reinterpret_cast<int64_t*>(&dt) == 0)
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{
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isNull = true;
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return 0;
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}
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return *reinterpret_cast<int64_t*>(&dt);
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return *reinterpret_cast<int64_t*>(&dt);
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}
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int64_t Func_from_unixtime::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_from_unixtime::getTimeIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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{
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DateTime dt = getDateTime(row, parm, isNull);
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DateTime dt = getDateTime(row, parm, isNull);
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if (*reinterpret_cast<int64_t*>(&dt) == 0)
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{
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isNull = true;
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return 0;
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}
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if (*reinterpret_cast<int64_t*>(&dt) == 0)
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{
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isNull = true;
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return 0;
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}
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return *reinterpret_cast<int64_t*>(&dt);
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return *reinterpret_cast<int64_t*>(&dt);
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}
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int64_t Func_from_unixtime::getIntVal(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull,
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int64_t Func_from_unixtime::getIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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{
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DateTime dt = getDateTime(row, parm, isNull);
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if (*reinterpret_cast<int64_t*>(&dt) == 0)
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{
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isNull = true;
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return 0;
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}
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char buf[32]; // actual string guaranteed to be 22
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snprintf(buf, 32, "%04d%02d%02d%02d%02d%02d", dt.year, dt.month, dt.day, dt.hour, dt.minute, dt.second);
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return atoll(buf);
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}
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double Func_from_unixtime::getDoubleVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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{
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if (parm.size() == 1)
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{
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DateTime dt = getDateTime(row, parm, isNull);
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if (*reinterpret_cast<int64_t*>(&dt) == 0)
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{
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isNull = true;
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return 0;
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isNull = true;
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return 0;
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}
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char buf[32]; // actual string guaranteed to be 22
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snprintf( buf, 32, "%04d%02d%02d%02d%02d%02d",
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dt.year, dt.month, dt.day, dt.hour,
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dt.minute, dt.second );
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return atoll(buf);
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snprintf(buf, 32, "%04d%02d%02d%02d%02d%02d.%06d", dt.year, dt.month, dt.day, dt.hour, dt.minute,
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dt.second, dt.msecond);
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return atof(buf);
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}
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return (double)atoi(getStrVal(row, parm, isNull, ct).c_str());
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}
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double Func_from_unixtime::getDoubleVal(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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long double Func_from_unixtime::getLongDoubleVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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{
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if (parm.size() == 1)
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{
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DateTime dt = getDateTime(row, parm, isNull);
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if (*reinterpret_cast<int64_t*>(&dt) == 0)
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{
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isNull = true;
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return 0;
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}
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char buf[32]; // actual string guaranteed to be 22
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snprintf( buf, 32, "%04d%02d%02d%02d%02d%02d.%06d",
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dt.year, dt.month, dt.day, dt.hour,
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dt.minute, dt.second, dt.msecond );
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return atof(buf);
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}
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return (double) atoi(getStrVal(row, parm, isNull, ct).c_str());
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return (long double)getDoubleVal(row, parm, isNull, ct);
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}
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long double Func_from_unixtime::getLongDoubleVal(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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{
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return (long double) getDoubleVal(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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