side note - as perhaps it is not obvious. i am in no way implying that i want to change slony nor i say that slony is bad because of ...
all i'm saying is that i would like to know: 1. why it works. 2. what should happen for this to stop working by "this" i mean - adding columns (without defaults and not nulls) on slave and then on master. i also dont mean any harm or insult to anybody here - if you find the topic offensive, please just skip it. i'm asking out of pure curiosite - why it works, and what (how) might break. basically - i truly belive the guys who coded slony are very smart, and that their software behaves in a deterministic way. which means - either: what i do is right, or i just haven't stumbled on particular sequence of actions which would break the thing. if so - i would like to know the sequence - just to be on the (more) safe side when doing things that are not really suggested. best regards, depesz
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