Excerpts from Tom Lane's message of dom may 08 23:00:27 -0400 2011:
> For
> example, if you start noticing an occasional integer overflow that
> didn't happen before, it might be pretty darn difficult to figure out
> that the problem is that an operation that was formerly resolved as int4
> + int4 is now resolved as int2 + int2.
About this particular example, I mentioned earlier that I preliminarly
consider the idea of changing the +(int2,int2) operator to return int4
instead of the current int2. It's not impossible that we will miss
changing some operators, but my hope is that it won't be that horrible.
--
Álvaro Herrera <alvherre@commandprompt.com>
The PostgreSQL Company - Command Prompt, Inc.
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