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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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158
utils/funcexp/func_math.cpp
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@ -1849,70 +1849,134 @@ string Func_format::getStrVal(Row& row,
{
IDB_Decimal decimal = parm[0]->data()->getDecimalVal(row, isNull);
char buf[80];
//perform rouding if needed
if ( scale < 0 )
scale = 0;
if ( scale < decimal.scale )
if (parm[0]->data()->resultType().colWidth == datatypes::MAXDECIMALWIDTH)
{
int64_t d = 0;
int64_t p = 1;
if (!isNull && parm.size() > 1)
if ( scale < decimal.scale )
{
d = scale;
int64_t d = 0;
int128_t p = 1;
if (!isNull)
helpers::decimalPlaceDec(d, p, decimal.scale);
}
if (isNull)
break;
int64_t x = decimal.value;
if (d > 0)
{
x = x * p;
}
else if (d < 0)
{
int64_t h = p / 2; // 0.5
if ((x >= h) || (x <= -h))
if (!isNull && parm.size() > 1)
{
if (x >= 0)
x += h;
else
x -= h;
d = scale;
if (p != 0)
x = x / p;
if (!isNull)
helpers::decimalPlaceDec(d, p, decimal.scale);
}
if (isNull)
break;
int128_t x = decimal.s128Value;
if (d > 0)
{
x = x * p;
}
else if (d < 0)
{
int128_t h = p / 2; // 0.5
if ((x >= h) || (x <= -h))
{
if (x >= 0)
x += h;
else
x -= h;
if (p != 0)
x = x / p;
else
x = 0;
}
else
{
x = 0;
}
}
else
// negative scale is not supported by CNX yet, set d to 0.
if (decimal.scale < 0)
{
x = 0;
do
x *= 10;
while (++decimal.scale < 0);
}
decimal.s128Value = x;
}
// negative scale is not supported by CNX yet, set d to 0.
if (decimal.scale < 0)
{
do
x *= 10;
while (++decimal.scale < 0);
}
decimal.value = x;
dataconvert::DataConvert::decimalToString(&decimal.s128Value,
decimal.scale, buf, 80, parm[0]->data()->resultType().colDataType);
}
else
{
if ( scale < decimal.scale )
{
int64_t d = 0;
int64_t p = 1;
char buf[80];
if (!isNull && parm.size() > 1)
{
d = scale;
dataconvert::DataConvert::decimalToString( decimal.value,
decimal.scale, buf, 80, parm[0]->data()->resultType().colDataType);
if (!isNull)
helpers::decimalPlaceDec(d, p, decimal.scale);
}
if (isNull)
break;
int64_t x = decimal.value;
if (d > 0)
{
x = x * p;
}
else if (d < 0)
{
int64_t h = p / 2; // 0.5
if ((x >= h) || (x <= -h))
{
if (x >= 0)
x += h;
else
x -= h;
if (p != 0)
x = x / p;
else
x = 0;
}
else
{
x = 0;
}
}
// negative scale is not supported by CNX yet, set d to 0.
if (decimal.scale < 0)
{
do
x *= 10;
while (++decimal.scale < 0);
}
decimal.value = x;
}
dataconvert::DataConvert::decimalToString( decimal.value,
decimal.scale, buf, 80, parm[0]->data()->resultType().colDataType);
}
value = buf;
}
@ -1982,7 +2046,7 @@ string Func_format::getStrVal(Row& row,
// pad extra with '0'
if (*(value.data()) != '#')
{
for ( int i = 0 ; i < pad ; i ++ )
for ( int i = 0 ; i < pad ; i++ )
{
value = value.append("0");
}
@ -1996,7 +2060,7 @@ string Func_format::getStrVal(Row& row,
string::size_type pos = value.find ('-', 0);
if (pos != string::npos)
end = 1;;
end = 1;
while ((comma -= 3) > end)
{