pg.ddx.io pgsql-interfaces@postgresql.org mailing list archive help / color / mirror / Atom feed From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Dominic Mitchell <dom@semantico.com>
Cc: Tim Bunce <Tim.Bunce@pobox.com>
Cc: Rudy Lippan <rlippan@remotelinux.com>
Cc: David Wheeler <david@wheeler.net>
Cc: pgsql-interfaces@postgresql.org, "'DBI developers'" <dbi-dev@perl.org>
Subject: Re: DBD::Pg 1.30_1 WAS (Re: Prepare and prepare ?)
Date: Tue, 8 Jul 2003 18:38:51 -0400 (EDT)
Message-ID: <200307082238.h68Mcp605948@candle.pha.pa.us> (raw )
In-Reply-To: <3EDB7F17.7010607@semantico.com >
Thanks. Patch applied.
---------------------------------------------------------------------------
Dominic Mitchell wrote:
> Tim Bunce wrote:
> > Ah, you're passing it the address of (probably temporary) reference.
> > It's the underlying object (which the ref points to) that you need.
> >
> > Try something like:
> >
> > PQsetNoticeProcessor(imp_dbh->conn, pg_warn, (void *)SvRV(dbh));
> >
> > the D_imp_dbh( (SV *)arg ) will do-the-right-thing *if* the
> > handle is the 'last handle used' ($DBI::lasth) whenever it's called.
> >
> > That's probably not a safe assumption so you could try something
> > more like this:
> >
> > D_imp_dbh( sv_2mortal(newRV((SV*)arg)) );
>
> Thank you! This worked a treat. It turned out that sv_2mortal() was
> necessary after all. I'm going to go away and read up on XS before I
> try this sort of thing again, I think.
>
> Could somebody with a commit bit for dbdpg please apply the attached
> patch? It passes all tests here on perl 5.8.0 / postgres 7.3.2. I
> don't think that it will cause any problems for other perl versions...
>
> -Dom
>
> --
> | Semantico: creators of major online resources |
> | URL: http://www.semantico.com/ |
> | Tel: +44 (1273) 722222 |
> | Address: 33 Bond St., Brighton, Sussex, BN1 1RD, UK. |
> ? Pg.xsi
> Index: dbdimp.c
> ===================================================================
> RCS file: /usr/local/cvsroot/dbdpg/dbdpg/dbdimp.c,v
> retrieving revision 1.23
> diff -u -r1.23 dbdimp.c
> --- dbdimp.c 29 May 2003 08:37:46 -0000 1.23
> +++ dbdimp.c 2 Jun 2003 16:33:51 -0000
> @@ -76,7 +76,10 @@
> void *arg;
> const char *message;
> {
> - warn( message );
> + D_imp_dbh( sv_2mortal(newRV((SV*)arg)) );
> +
> + if (DBIc_WARN(imp_dbh))
> + warn( message );
> }
>
> /* Database specific error handling. */
> @@ -178,7 +181,7 @@
> }
>
> /* Enable warnings to go through perl */
> - PQsetNoticeProcessor(imp_dbh->conn, pg_warn, NULL);
> + PQsetNoticeProcessor(imp_dbh->conn, pg_warn, (void *)SvRV(dbh));
>
> /* Quick basic version check -- not robust a'tall TODO: rewrite */
> pgres_ret = PQexec(imp_dbh->conn, "SELECT version()");
> Index: t/01setup.t
> ===================================================================
> RCS file: /usr/local/cvsroot/dbdpg/dbdpg/t/01setup.t,v
> retrieving revision 1.5
> diff -u -r1.5 01setup.t
> --- t/01setup.t 6 May 2003 21:46:52 -0000 1.5
> +++ t/01setup.t 2 Jun 2003 16:33:51 -0000
> @@ -3,7 +3,7 @@
> use Test::More;
>
> if (defined $ENV{DBI_DSN}) {
> - plan tests => 4;
> + plan tests => 5;
> } else {
> plan skip_all => 'cannot test without DB info';
> }
> @@ -32,6 +32,7 @@
> 'create table'
> );
>
> +# First, test that we can trap warnings.
> eval { local $dbh->{PrintError} = 0; $dbh->do( "drop table test2" ) };
> {
> my $warning;
> @@ -43,6 +44,19 @@
> 'PQsetNoticeProcessor working' );
> }
> eval { local $dbh->{PrintError} = 0; $dbh->do( "drop table test2" ) };
> +
> +# Next, test that we can disable warnings using $dbh.
> +eval { local $dbh->{PrintError} = 0; $dbh->do( "drop table test3" ) };
> +{
> + my $warning;
> + local $SIG{__WARN__} = sub { $warning = "@_" };
> + local $dbh->{Warn} = 0;
> + $dbh->do( "create table test3 (id integer primary key)" );
> + # XXX This will have to be updated if PostgreSQL ever changes its
> + # warnings...
> + is( $warning, undef, 'PQsetNoticeProcessor respects dbh->{Warn}' );
> +}
> +eval { local $dbh->{PrintError} = 0; $dbh->do( "drop table test3" ) };
>
> ok($dbh->disconnect(),
> 'disconnect'
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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To: pgsql-interfaces@postgresql.org
Cc: pgman@candle.pha.pa.us, dom@semantico.com, Tim.Bunce@pobox.com, rlippan@remotelinux.com, david@wheeler.net, dbi-dev@perl.org
Subject: Re: DBD::Pg 1.30_1 WAS (Re: Prepare and prepare ?)
In-Reply-To: <200307082238.h68Mcp605948@candle.pha.pa.us>
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