On Wed, Sep 9, 2009 at 6:04 PM, Tom Lane<t...@sss.pgh.pa.us> wrote: > Keh-Cheng Chu <kehch...@solar2.stanford.edu> writes: >> While 17 decimal digits are sufficient to guarantee the >> complete recovery of all 64-bit double values, some 32-bit >> reals actually require NINE significant figures. > > Hm, annoying. Seems like we could do one of two things: > > 1. Increase the max extra_float_digits value to 3 and have pg_dump use > that. > > 2. Split extra_float_digits into two settings so that float4 and float8 > can use different settings. > > Offhand the only argument I can see for #2 is that #1 might bloat dump > files unnecessarily --- but it's not likely to be significant on a > percentage basis. > > We'd also need to check the code to be sure it's leaving room for the > extra digit in all cases, though I doubt there's really any problem.
(2) seems like overkill to me, FWIW. ...Robert -- Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs
