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XML::Generator::DBI Tutorial

by jeffa (Chancellor)
on Jul 12, 2002 at 03:52 UTC ( #181206=perltutorial: print w/ replies, xml ) Need Help??

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  1. or download this
    use strict;
    use DBI;
    use XML::Generator::DBI;
    use XML::Handler::YAWriter;
    
  2. or download this
    my $dbh = DBI->connect(
       qw(DBI:vendor:database:host user pass),
       {RaiseError=>1},
    );
    
  3. or download this
    my $handler = XML::Handler::YAWriter->new(AsFile => 'foo.xml');
    
  4. or download this
    my $generator = XML::Generator::DBI->new(
       Handler => $handler,
       dbh     => $dbh,
       Indent  => 1,
    );
    
  5. or download this
    $generator->execute('select bar,baz from foo');
    
  6. or download this
    use strict;
    use DBI;
    use XML::Generator::DBI;
    use XML::XPath;
    use XML::XPath::Builder;
    
  7. or download this
    my $dbh = DBI->connect(
       qw(DBI:vendor:database:host user pass),
       {RaiseError=>1},
    );
    
  8. or download this
    my $handler = XML::XPath::Builder->new();
    
  9. or download this
    my $generator = XML::Generator::DBI->new(
       Handler => $handler,
       dbh     => $dbh,
    );
    
  10. or download this
    my $xp = $generator->execute('select bar,baz from foo');
    
  11. or download this
    my $nodeset = $xp->find('/database/select/row/bar');
    
    print $_->string_value, "\n" for $nodeset->get_nodelist;
    
  12. or download this
    use strict;
    use DBI;
    ...
       qw(DBI:vendor:database:host user pass),
       {RaiseError=>1},
    );
    
  13. or download this
    my $handler = XML::Handler::HTMLWriter->new();
    
  14. or download this
    my $filter = XML::Filter::SAX1toSAX2->new(Handler => $handler);
    
  15. or download this
    my $generator = XML::Generator::DBI->new(
       Handler      => $filter,
    ...
    );
    
    $generator->execute('select foo as td,bar as td from baz');
    
  16. or download this
    use strict;
    use DBI;
    ...
       qw(DBI:vendor:database:host user pass),
       {RaiseError=>1},
    );
    
  17. or download this
    my $writer    = XML::SAX::Writer->new();
    my $xsl_filt  = XML::Filter::XSLT->new(Handler => $writer);
    ...
       Handler => $sax_filt,
       dbh     => $dbh,
    );
    
  18. or download this
    $xsl_filt->set_stylesheet_uri('foo.xsl');
    
    $generator->execute('select bar,baz from foo');
    
  19. or download this
    use strict;
    
    ...
    use XML::Generator::DBI;
    use XML::Filter::SAX1toSAX2;
    use XML::Filter::XSLT;
    
  20. or download this
    my $style = 'dynamic.xsl';
    my %field = (
    ...
       title => 'song.title as Song',
       year  => 'album.year as Year',
    );
    
  21. or download this
    print header, start_html, start_form,
       checkbox_group(
    ...
       ),
       submit('go'), end_form,
    ;
    
  22. or download this
    if (param('go')) {
    
  23. or download this
       my @ok = map { $field{$_} } grep $field{$_}, param('fields');
    
  24. or download this
       die 'no valid fields selected' unless @ok;
       my $select = join(',', @ok);
    
  25. or download this
       my $dbh = DBI->connect(
          qw(DBI:vendor:mp3:host user pass),
          {RaiseError=>1},
       );
    
  26. or download this
       my $writer    = XML::SAX::Writer->new();
       my $xsl_filt  = XML::Filter::XSLT->new(Handler => $writer);
    ...
          dbh         => $dbh,
          ShowColumns => 1,
       );
    
  27. or download this
       die "could not open file $style" unless -r $style;
    
       $xsl_filt->set_stylesheet_uri($style);
    
  28. or download this
       $generator->execute("
          select $select
    ...
          order by artist.name,album.year,album.title
       ");
    }
    

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