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MCOL-641 Add support for functions (Part 1).

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This commit is contained in:
Gagan Goel
2020-04-19 23:27:43 -04:00
committed by Roman Nozdrin
parent 554c6da8e8
commit cfe35b5c7f
28 changed files with 2102 additions and 462 deletions
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51
utils/funcexp/func_char.cpp
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@ -134,15 +134,50 @@ string Func_char::getStrVal(Row& row,
case execplan::CalpontSystemCatalog::DECIMAL:
case execplan::CalpontSystemCatalog::UDECIMAL:
{
IDB_Decimal d = rc->getDecimalVal(row, isNull);
double dscale = d.scale;
// get decimal and round up
value = d.value / pow(10.0, dscale);
int lefto = (d.value - value * pow(10.0, dscale)) / pow(10.0, dscale - 1);
IDB_Decimal d = parm[0]->data()->getDecimalVal(row, isNull);
if ( lefto > 4 )
value++;
if (ct.colWidth == datatypes::MAXDECIMALWIDTH)
{
if (d.s128Value < 0)
return "";
int128_t scaleDivisor, scaleDivisor2;
datatypes::getScaleDivisor(scaleDivisor, d.scale);
scaleDivisor2 = (scaleDivisor <= 10) ? 1 : (scaleDivisor / 10);
int128_t tmpval = d.s128Value / scaleDivisor;
int128_t lefto = (d.s128Value - tmpval * scaleDivisor) / scaleDivisor2;
if (lefto > 4)
tmpval++;
if (tmpval > static_cast<int128_t>(INT64_MAX))
tmpval = INT64_MAX;
if ( !getChar((int64_t)tmpval, buf) )
{
isNull = true;
return "";
}
}
else
{
double dscale = d.scale;
// get decimal and round up
int value = d.value / pow(10.0, dscale);
int lefto = (d.value - value * pow(10.0, dscale)) / pow(10.0, dscale - 1);
if ( lefto > 4 )
value++;
if ( !getChar((int64_t)value, buf) )
{
isNull = true;
return "";
}
}
}
break;