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MCOL-3959 1.5 make from_unixtimestamp msec aware

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When using the function with decimal or float types, the fractional portion is the msec.
This commit is contained in:
David Hall
2020-04-23 09:54:33 -05:00
parent 2ec06046a0
commit 9bec66c36f
1 changed files with 7 additions and 9 deletions
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16
utils/funcexp/func_from_unixtime.cpp
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@ -45,7 +45,8 @@ DateTime getDateTime(rowgroup::Row& row,
FunctionParm& parm,
bool& isNull)
{
int64_t val;
int64_t val = 0;
uint32_t msec = 0;
switch (parm[0]->data()->resultType().colDataType)
{
@ -54,13 +55,10 @@ DateTime getDateTime(rowgroup::Row& row,
case execplan::CalpontSystemCatalog::DECIMAL:
{
double value = parm[0]->data()->getDoubleVal(row, isNull);
if (value > 0)
value += 0.5;
else if (value < 0)
value -= 0.5;
val = (int64_t)value;
double fracpart, intpart;
fracpart = modf(value, &intpart);
val = (int64_t)intpart;
msec = (uint32_t)(fracpart * IDB_pow[parm[0]->data()->resultType().scale]);
break;
}
@ -84,7 +82,7 @@ DateTime getDateTime(rowgroup::Row& row,
dt.hour = (int64_t) tmp_tm.tm_hour;
dt.minute = (int64_t) tmp_tm.tm_min;
dt.second = (int64_t) tmp_tm.tm_sec;
dt.msecond = 0;
dt.msecond = msec;
return dt;
}
}