// append an ascii-version of biarith
void BiArith::generateCacheKey(CacheWA& cwa) const
{
ItemExpr::generateCacheKey(cwa);
// append an indication of rounding mode for datetime arithmetic functions
if ( isKeepLastDay() ) cwa += "r1";
else if ( isStandardNormalization() ) cwa += "r0";
if (getOperatorType() == ITM_DIVIDE)
{
cwa += " arm:"; // arith rounding mode
char dFmt[20];
str_itoa(roundingMode_, dFmt);
cwa += dFmt;
}
}
short BiArith::codeGen(Generator * generator)
{
Attributes ** attr;
ExpGenerator * eg = generator->getExpGenerator();
if (eg->genItemExpr(this, &attr, (1+getArity()), -1) == 1)
return 0;
// if temp space is needed for this operation, set it.
if (attr[0]->isComplexType())
{
eg->addTempsLength(((ComplexType *)attr[0])->setTempSpaceInfo(getOperatorType(),
#pragma nowarn(1506) // warning elimination
eg->getTempsLength()));
#pragma warn(1506) // warning elimination
}
attr[0]->resetlastdaymonthflag();
attr[0]->resetlastdayonerrflag();
// Check to see which type of rounding is needed for add_months, date_add
// functions. Set flags here for use in executor datetime.cpp.
if (isStandardNormalization())
attr[0]->setlastdayonerrflag();
if (isKeepLastDay())
attr[0]->setlastdaymonthflag();
ex_arith_clause * arith_clause =
new(generator->getSpace())
ex_arith_clause(getOperatorType(), attr, generator->getSpace(),
(short)getRoundingMode(),
getDivToDownscale());
generator->getExpGenerator()->linkClause(this, arith_clause);
return 0;
}
