Yes, exactly. Roughly speaking you'd see something like this: (id, text1, text2, timestamp, diff) ---- (42, before, data, Friday April 23 12:27AM,

Yes, exactly. Roughly speaking you'd see something like this: (id, text1, text2, timestamp, diff) ---- (42, before, data, Friday April 23 12:27AM, -1) (42, after, data, Friday April 23 12:27AM, +1)