internal static int MarkPage(StorageImpl db, int pageId, int type, int height)
{
int nPages = 1;
Page pg = db.GetGCPage(pageId);
try
{
int i, n = GetItemsCount(pg);
if (--height != 0)
{
if (type == ClassDescriptor.tpString || type == ClassDescriptor.tpArrayOfByte)
{
// page of strings
for (i = 0; i <= n; i++)
{
nPages += MarkPage(db, GetKeyStrOid(pg, i), type, height);
}
}
else
{
for (i = 0; i <= n; i++)
{
nPages += MarkPage(db, GetReference(pg, maxItems - i - 1), type, height);
}
}
}
else
{
if (type == ClassDescriptor.tpString || type == ClassDescriptor.tpArrayOfByte)
{
// page of strings
for (i = 0; i < n; i++)
{
db.MarkOid(GetKeyStrOid(pg, i));
}
}
else
{
// page of scalars
for (i = 0; i < n; i++)
{
db.MarkOid(GetReference(pg, maxItems - 1 - i));
}
}
}
}
finally
{
db.pool.Unfix(pg);
}
return nPages;
}