On 2/17/19 6:15 PM, Andrew Gierth wrote: >>>>>> "Tom" == Tom Lane <t...@sss.pgh.pa.us> writes: > > Andrew Dunstan <andrew.duns...@2ndquadrant.com> writes: > >> Here's a patch without docco. How much do we actually want to > >> document this? I'm not sure it has any great value outside of > >> cross-version upgrade testing. > > Tom> I think we have to document it, but it can be fairly terse perhaps. > > Tom> Use the specified value of extra_float_digits when dumping > Tom> floating-point data, rather than pg_dump's default. > > Tom> I don't think we need to go into detail about when/why you might > Tom> want to use it; I can see people thinking of their own reasons. > > It should probably at least say that (a) the default is to dump with the > maximum available precision, and at least hint at (b) that ordinary use > doesn't require the option. We shouldn't mislead people into thinking > they need it when they don't. >
Would you like to reformulate this, then? cheers andrew -- Andrew Dunstan https://www.2ndQuadrant.com PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services