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MCOL-641 Add support for functions (Part 2).

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This commit is contained in:
Gagan Goel
2020-07-13 17:52:24 -04:00
committed by Roman Nozdrin
parent bd0d5af123
commit 6aea838360
50 changed files with 578 additions and 125 deletions
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53
utils/funcexp/func_ceil.cpp
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@ -212,13 +212,62 @@ uint64_t Func_ceil::getUintVal(Row& row,
case CalpontSystemCatalog::MEDINT:
case CalpontSystemCatalog::TINYINT:
case CalpontSystemCatalog::SMALLINT:
case CalpontSystemCatalog::DECIMAL:
case CalpontSystemCatalog::UDECIMAL:
{
ret = (uint64_t)parm[0]->data()->getIntVal(row, isNull);
}
break;
// ceil(decimal(X,Y)) leads to this path if X, Y allows to
// downcast to INT otherwise Func_ceil::getDecimalVal() is called
case execplan::CalpontSystemCatalog::DECIMAL:
case execplan::CalpontSystemCatalog::UDECIMAL:
{
IDB_Decimal d = parm[0]->data()->getDecimalVal(row, isNull);
if (isNull)
break;
// negative scale is not supported by CNX yet
if (d.scale > 0)
{
if (d.scale > datatypes::INT128MAXPRECISION)
{
std::ostringstream oss;
oss << "ceil: datatype of " << execplan::colDataTypeToString(op_ct.colDataType)
<< " with scale " << (int) d.scale << " is beyond supported scale";
throw logging::IDBExcept(oss.str(), ERR_DATATYPE_NOT_SUPPORT);
}
if (op_ct.colWidth == datatypes::MAXDECIMALWIDTH)
{
int128_t tmp = d.s128Value;
int128_t scaleDivisor;
datatypes::getScaleDivisor(scaleDivisor, d.scale);
d.s128Value /= scaleDivisor;
// Add 1 if this is a positive number and there were values to the right of the
// decimal point so that we return the largest integer value not less than X.
if ((tmp - (d.s128Value * scaleDivisor)) > 0)
d.s128Value += 1;
ret = datatypes::Decimal::getUInt64FromWideDecimal(d.s128Value);
}
else
{
int64_t tmp = d.value;
d.value /= helpers::powerOf10_c[d.scale];
// Add 1 if this is a positive number and there were values to the right of the
// decimal point so that we return the largest integer value not less than X.
if ((tmp - (d.value * helpers::powerOf10_c[d.scale])) > 0)
d.value += 1;
ret = (uint64_t) d.value;
}
}
}
break;
case CalpontSystemCatalog::UBIGINT:
case CalpontSystemCatalog::UINT:
case CalpontSystemCatalog::UMEDINT: