int TDBTBL::Cardinality(PGLOBAL g)
{
if (!g)
return 0; // Cannot make the table list
else if (Cardinal < 0) {
int tsz;
if (!Tablist && InitTableList(g))
return 0; // Cannot be calculated at this stage
Cardinal = 0;
for (PTABLE tabp = Tablist; tabp; tabp = tabp->GetNext()) {
if ((tsz = tabp->GetTo_Tdb()->Cardinality(g)) < 0) {
Cardinal = -1;
return tsz;
} // endif mxsz
Cardinal += tsz;
} // endfor i
} // endif Cardinal
return Cardinal;
} // end of Cardinality
void TDBTBM::ResetDB(void)
{
for (PCOL colp = Columns; colp; colp = colp->GetNext())
if (colp->GetAmType() == TYPE_AM_TABID)
colp->COLBLK::Reset();
for (PTABLE tabp = Tablist; tabp; tabp = tabp->GetNext())
((PTDBASE)tabp->GetTo_Tdb())->ResetDB();
Tdbp = (Tablist) ? (PTDBASE)Tablist->GetTo_Tdb() : NULL;
Crp = 0;
} // end of ResetDB
int TDBTBL::GetMaxSize(PGLOBAL g)
{
if (MaxSize < 0) {
int mxsz;
if (!Tablist && InitTableList(g))
return 0; // Cannot be calculated at this stage
MaxSize = 0;
for (PTABLE tabp = Tablist; tabp; tabp = tabp->GetNext()) {
if ((mxsz = tabp->GetTo_Tdb()->GetMaxSize(g)) < 0) {
MaxSize = -1;
return mxsz;
} // endif mxsz
MaxSize += mxsz;
} // endfor i
} // endif MaxSize
return MaxSize;
} // end of GetMaxSize
