Re: Infinities in type numeric
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Vik Fearing <vik@postgresfriends.org>
Cc: Robert Haas <robertmhaas@gmail.com>,
PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2020-06-16T13:33:44Z
Lists: pgsql-hackers
Vik Fearing <vik@postgresfriends.org> writes: > On 6/12/20 7:00 PM, Tom Lane wrote: >> If we did that, you'd never see Inf in a >> standard-conforming column, since SQL doesn't allow unconstrained >> numeric columns IIRC. > It does. The precision and scale are both optional. > If the precision is missing, it's implementation defined; if the scale > is missing, it's 0. Ah, right, the way in which we deviate from the spec is that an unconstrained numeric column doesn't coerce every entry to scale 0. Still, that *is* a spec deviation, so adding "... and it allows Inf" doesn't seem like it's making things worse for spec-compliant apps. regards, tom lane
Commits
-
Support infinity and -infinity in the numeric data type.
- a57d312a7706 14.0 landed