Re: enhanced error fields
Pavel Stehule <pavel.stehule@gmail.com>
From: Pavel Stehule <pavel.stehule@gmail.com>
To: Peter Geoghegan <peter@2ndquadrant.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Stephen Frost <sfrost@snowman.net>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>, Alvaro Herrera <alvherre@commandprompt.com>
Date: 2012-12-28T18:40:36Z
Lists: pgsql-hackers
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API reference →
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Create a "sort support" interface API for faster sorting.
- c6e3ac11b60a 9.2.0 cited
> > I think that the major outstanding issues are concerning whether or > not I have the API here right. I make explicit guarantees as to the > availability of certain fields for certain errcodes (a small number of > "Class 23 - Integrity Constraint Violation" codes). No one has really > said anything about that, though I think it's important. > > I also continue to think that we shouldn't have "routine_name", > "routine_schema" and "trigger_name" fields - I think it's wrong-headed > to have an exception handler magically act on knowledge about where > the exception came from that has been baked into the exception - is > there any sort of precedent for this? Pavel disagrees here. Again, I > defer to others. depends on perspective - lines of error context are taken by same mechanism and some other fields from ErrorData too. I have not strong opinion if last implementation is the best - but I am sure about context. Developer usually should to know, where exception was created but interesting is position in custom code - so it usually different function than function that raises exception. If I understand you, we have a fields that has behave that you expected - filename and funcname. And I have not used these fields for application programming. Regards Pavel > > [1] Post of revision "eelog4.diff": > http://archives.postgresql.org/message-id/CAEYLb_UM9Z8vitJcKAOgG2shAB1N-71dozNhj2PJm2Ls96QVPg@mail.gmail.com > -- > Peter Geoghegan http://www.2ndQuadrant.com/ > PostgreSQL Development, 24x7 Support, Training and Services