Re: Misleading errors with column references in default expressions and partition bounds
Michael Paquier <michael@paquier.xyz>
From: Michael Paquier <michael@paquier.xyz>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Postgres hackers <pgsql-hackers@lists.postgresql.org>
Date: 2019-03-28T12:14:11Z
Lists: pgsql-hackers
On Wed, Mar 27, 2019 at 12:13:16PM +0900, Michael Paquier wrote: > ParseExprKind is an enum, so listing all the options without the > default has the advantage to generate a warning if somebody adds a > value. This way anybody changing this code will need to think about > it. A bit late, but committed without the case/default. >> ... The value >> is any variable-free expression (in particular, cross-references >> to other columns in the current table are not allowed). Subqueries >> are not allowed either. > > Okay, I think I see your point here. That sounds sensible. And I have used this suggestion from Tom as well for the docs. -- Michael
Commits
-
Improve error handling of column references in expression transformation
- ecfed4a12247 12.0 landed