42   if (!params.empty())  in next()
50   if (!params.empty())  in cancelBatch()
57   if (!params.empty())  in first()
65   if (!params.empty())  in updateBatch()
73   if (!params.empty())  in previous()
80   if (!params.empty())  in isBOF()
87   if (!params.empty())  in isEOF()
94   if (!params.empty())  in cancel()
101   if (!params.empty())  in update()
108   if (!params.empty())  in open()
116   if (!params.empty())  in deleteItem()
123   if (!params.empty())  in addNew()
131   if (!params.empty())  in requery()
138   if (!params.empty())  in resync()
145   if (!params.empty())  in close()
152   if (!params.empty())  in last()
160   if (!params.empty())  in hasDataChanged()