Tom Lane wrote:
> Bruce Momjian <bruce@momjian.us> writes:
> > However, the function only does a subtraction with no adjustment for
> > overflow, and considering it returns a signed int, it can't even display
> > the full range of valid values:
>
> Say again? The possible range of ages is only 2 billion.
If we assume that only xid stored in actual tables are used, yes:
test=> select txid_current(); txid_current-------------- 402(1 row)test=> select age('4294967290'::xid);
age-----409(1 row)
OK, so it does work based on the limitations we place on stored xids.
-- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB
http://enterprisedb.com
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