name               value   changed

1.  max_rows_to_read   10000         1 
2.  readonly           0             0 
    name               value   changed

1.  max_rows_to_read   10000         1 
2.  readonly           2             1 
    name               value   changed

1.  max_rows_to_read   10000         1 
2.  readonly           1             1 
    name               value   changed

1.  max_rows_to_read   10000         1 
2.  readonly           2             1 
Ok
Ok
0
0
Ok
Ok
Ok
0
0
0