Re: Assertions in PL/PgSQL

From: Andres Freund <andres(at)2ndquadrant(dot)com>
To: Marko Tiikkaja <marko(at)joh(dot)to>
Cc: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Jaime Casanova <jaime(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Amit Khandekar <amit(dot)khandekar(at)enterprisedb(dot)com>
Subject: Re: Assertions in PL/PgSQL
Date: 2013-09-23 09:03:09
Message-ID: 20130923090309.GC15285@awork2.anarazel.de
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On 2013-09-23 11:00:50 +0200, Marko Tiikkaja wrote:
> On 9/23/13 10:50 AM, I wrote:
> >On 9/23/13 6:40 AM, Pavel Stehule wrote:
> >>After days I am thinking so it can be a good solution
> >>
> >>syntax - enhanced current RAISE
> >>
> >>RAISE ASSERT WHEN boolean expression
> >>
> >>RAISE ASSERT 'some message' WHEN expression
> >
> >It looks like I'm losing this battle, but this syntax isn't too bad.
> >
> >>and we can have a GUC that controls asserts per database - possibly
> >>overwritten by plpgsql option - similar to current plpgsql options
> >>
> >>assert_level = [*ignore*, notice, warning, error]
> >
> >This sounds like a decent enhancement.
>
> Oh, it would be nice to have the option here to say "assertions can't be
> caught by exception handlers", but I don't know how that mechanism works so
> I'm not sure it's possible. I'll have to look into that.

RAISE ASSERT ... assert_level = PANIC :P.

Greetings,

Andres Freund

--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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