On Tue, 2 Sep 2008 11:01:37 +0100, Tim Bunce <[EMAIL PROTECTED]>
wrote:
> On Tue, Sep 02, 2008 at 12:39:41AM +0200, H.Merijn Brand wrote:
> > On Mon, 1 Sep 2008 22:59:24 +0100, Tim Bunce <[EMAIL PROTECTED]>
> > wrote:
> >
> > > > > > > > As get_info (29) now returns a TRUE value, the 'tables ()'
> > > > > > > > method is
> > > > > > > > using a different strategy to build the list it returns:
> > > > > > > >
> > > > > > > > sub tables
> > > > > > > > {
> > > > > > > > my ($dbh, @args) = @_;
> > > > > > > > my $sth = $dbh->table_info (@args[0..4]) or return;
> > > > > > > > my $tables = $sth->fetchall_arrayref or return;
> > > > > > > > my @tables;
> > > > > > > > » if ($dbh->get_info (29)) { # SQL_IDENTIFIER_QUOTE_CHAR
> > > > > > > > » @tables = map { $dbh->quote_identifier
> > > > > > > > (@{$_}[0,1,2]) } @$tables;
> > > > > > > > » }
> > >
> > > > > > > > Unify has no support for CATALOG's, so the values in info are
> > > > > > > > not
> > > > > > > > defined, but still used in the map, causing all my tables no
> > > > > > > > showing up
> > > > > > > > with and empty "". in front of it, which is illegal to the
> > > > > > > > database :(
>
> > > I wasn't very clear (and was actually partly misleading). Sorry.
> > >
> > > What I meant was that the TABLE_CAT and/or TABLE_SCHEM columns in the
> > > data returned by your table_info () method are probably empty strings but
> > > should be undefs.
> > >
> > > What does
> > > Data::Dumper::Dumper($dbh->table_info(...)->fetchall_arrayref)
> > > show for an example table?
> >
> > $ perl -Iblib/{lib,arch} -MPROCURA::DBD -MData::Dumper
> > -wle'$dbh=DBDlogon;print Dumper
> > $dbh->table_info(undef,"PROLEP","parm")->fetchall_arrayref' $VAR1 = [
> > [
> > '',
> > 'PROLEP',
> > 'parm',
> > 'T',
> > 'W'
> > ]
> > ];
> >
> > Correct, as that is the result of
> >
> > sub table_info
> > {
>
> > my $sth = $dbh->prepare (
> > "select '', OWNR, TABLE_NAME, TABLE_TYPE, RDWRITE ".
> > "from SYS.ACCESSIBLE_TABLES ".
> > $where);
>
> > select NULL, OWNR, ...
> >
> > is not allowed. I don't see an easy way out
> >
> > sql> select NULL, OWNR, TABLE_NAME
> > sql> from SYS.ACCESSIBLE_TABLES
> > sql> where TABLE_NAME like 'parm';
> > NULL is not allowed in a constant list (-10518).
>
> Perhaps you could use some expression that happens to yield a NULL.
I tried, I cannot without creating a new table, and that feels like
shooting a mouse with an elefant;
> Or you could implement a custom quote_identifier () method.
I could, but that would feel very unsafe
--
H.Merijn Brand Amsterdam Perl Mongers http://amsterdam.pm.org/
using & porting perl 5.6.2, 5.8.x, 5.10.x, 5.11.x on HP-UX 10.20, 11.00,
11.11, 11.23, and 11.31, SuSE 10.1, 10.2, and 10.3, AIX 5.2, and Cygwin.
http://mirrors.develooper.com/hpux/ http://www.test-smoke.org/
http://qa.perl.org http://www.goldmark.org/jeff/stupid-disclaimers/
