deleteRow(tids.c, cCols);
compareRows( new Row[] { o1Row, oRow, iRow }, adapter.newGroupCursor(cType.table().getGroup()) );
// Delete o => i.cid becomes null
deleteRow(tids.o, oCols);
compareRows( new Row[] { iRow, o1Row }, adapter.newGroupCursor(cType.table().getGroup()) );
deleteRow(tids.i, iCols);
compareRows( new Row[] { o1Row }, adapter.newGroupCursor(cType.table().getGroup()) );
deleteRow(tids.o, o1Cols);