void update(FValue & f1,FValue f2)
{
if(f1 == E_ZERO || f2 == E_ZERO)
{
f1 = mostExtreme(f1,f2);
f1 = f1<2?FValue(f1.toInt()+2):f1;
}
else if(sameSign(f1,f2))
{
f1 = max(f1,f2);
}
else f1 = E_ALL;
};
Btnode *FValue(Btnode *ptr,ElemPty x)
{
if(ptr == NULL) return NULL;
if(ptr->data > x)
{
return FValue(ptr->lchild,x);
}
else if(ptr->data < x)
{
return FValue(ptr->rchild,x)
}
else
{
return ptr;
void Mapping_Tuple(Tuple map_tuple, string table_name)
{
Schema schema_tuple = map_tuple.getSchema();
vector<string> map_column_names = schema_tuple.getFieldNames();
vector<string>::iterator myiterator;
for(myiterator = map_column_names.begin(); myiterator!=map_column_names.end(); myiterator++)
{
FIELD_TYPE field_typ = schema_tuple.getFieldType(*myiterator);
Field value = map_tuple.getField(*myiterator);
TColPair tcolpair1 = TColPair(table_name, *myiterator);
TColPair tcolpair2 = TColPair(NOT_A_TABLE, *myiterator);
FValue values = FValue(field_typ, value);
Column_Value_Mapping[tcolpair1] = values;
Column_Value_Mapping[tcolpair2] = values;
}
}
void operator+=(FValue & f1,FValue f2)
{
bool x = f1.isConstant() && f2.isConstant();
if(sameSign(f1,f2))
{
FValue f = mostExtreme(f1,f2);
if(f1 == E_ZERO || f2 == E_ZERO)
{
f1 = f<2?FValue(f.toInt()+2):f;
}
}
else
{
f1 = E_ALL;
};
if(x) f1.assertConst();
};
void Mapping_Tuple(Tuple map_tuple)
{
Schema schema_tuple = map_tuple.getSchema();
vector<string> myColmNames = schema_tuple.getFieldNames();
vector<string>::iterator myiterator;
for(myiterator = myColmNames.begin(); myiterator!=myColmNames.end(); myiterator++)
{
int period_position = (*myiterator).find_first_of('.');
int len = (*myiterator).length();
if(period_position == string::npos) throw string("Error in column Mapping");
string tbl_name = (*myiterator).substr(0, period_position);
string col_name = (*myiterator).substr(period_position+1, len - period_position - 1);
FIELD_TYPE fieldtype = schema_tuple.getFieldType(*myiterator);
Field myvalue = map_tuple.getField(*myiterator);
TColPair tcolpair = TColPair(tbl_name, col_name);
FValue value = FValue(fieldtype, myvalue);
Column_Value_Mapping[tcolpair] = value;
}
}
