Re: XML? - Mailing list pgsql-general

What would be really cool (although a lot harder to implement) would be
the ability to generate a hierarchical XML document when using foreign key
relationships.  Trying to tell PG how to format that might be a bit of an
issue, though.

Jon

On Thu, 7 Aug 2003, Gavin M. Roy wrote:

> Add an
>   echo $returnData
> right after the pg_Close or it wont output the data...   in response to
> your followup, I doubt it would be hard to implement something similar
> in java, it's just using the standard pg api to build the xml.
>
> Gavin
>
> Gavin M. Roy wrote:
>
> > Here's some PHP code I use to do just that:
> >
> > <xml version="1.0">
> > <?php
> >  function returnRecord($resultid, $row, $level) {
> >    $prepend = "";
> >    for ( $y = 0; $y < $level; $y++ )
> >      $prepend .= "\t";
> >
> >    $record = $prepend . "<RECORD>\n";
> >    for ( $y = 0; $y < pg_NumFields($resultid); $y++ ) {
> >      $record .= $prepend . "\t<" . pg_FieldName($resultid, $y) . ">";
> >      $data =  Trim(pg_Result($resultid, $row, $y));
> >      $data = ereg_replace("&", "&", $data);
> >      $record .= $data;
> >      $record .= "</" . pg_FieldName($resultid, $y) . ">\n";
> >    }
> >    $record .= $prepend . "</RECORD>\n";
> >    return $record;
> >  }
> >
> >  $conn = pg_Connect("my database connect string");
> >  $result = pg_Query($conn, "SELECT * FROM MY_TABLE;");
> >  $returnData = "";
> >  $rows = pg_NumRows($result);
> >  for ( $y = 0; $y < $rows; $y++ )
> >    $returnData .= returnRecord($result, $y, 1);
> >  pg_FreeResult($result);
> >  pg_Close($conn);
> > ?>
> > </xml>
> >
> > Hope this helps,
> >
> > Gavin
> >
> > Bjorn T Johansen wrote:
> >
> >> I need to convert recordsets to XML, is there an automatic way to do
> >> this
> >> in PostgreSQL or a tool I can use? Or do I have to code this manually?
> >>
> >>
> >> Regards,
> >>
> >> BTJ
> >>
> >>
> >> -----------------------------------------------------------------------------------------------
> >>
> >> Bj�rn T Johansen (BSc,MNIF)
> >> Executive Manager
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