| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Magnus Hagander <magnus(at)hagander(dot)net> |
| Cc: | Euler Taveira de Oliveira <euler(at)timbira(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: xlog location arithmetic |
| Date: | 2011-12-23 15:05:54 |
| Message-ID: | 18871.1324652754@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Magnus Hagander <magnus(at)hagander(dot)net> writes:
>> At this point, my question is: do we want to support the lsn data type idea or
>> a basic function that implements the difference between LSNs?
> Personally I think a function is enough - it solves the only case that
> I've actually seen. But a datatype would be a more complete solution,
> of course - but it seems a bit of an overkill to me. Not really sure
> which way we should go - I was hoping somebody else would comment as
> well..
I too think a datatype is overkill, if we're only planning on providing
one function. Just emit the values as numeric and have done.
regards, tom lane
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