Re: Problem with PHP and PostgreSQL

On Wed, 4 Feb 2004, Seader, Cameron wrote:

> I am having trouble with the following loops and such and accessing PostgreSQL database.
> The errors i get are:
>
> Warning: pg_num_fields(): supplied argument is not a valid PostgreSQL result resource in /var/www/html/PMS/csv_export.php on line 108
>
> Warning: pg_fetch_row(): supplied argument is not a valid PostgreSQL result resource in /var/www/html/PMS/csv_export.php on line 118
>
> Here is my Code Below:
> //**** SQL Query
> $query_panels = sprintf("SELECT * FROM %s WHERE utctime AT TIME ZONE 'MST' BETWEEN '%s' AND '%s' ORDER BY utctime %s", $MM_param1__panels,$MM_param2__panels,$MM_param3__panels,$MM_param4__panels);
> //**** Count Fields
> $fieldcounts = pg_num_fields($query_panels);
> //**** List fields as first Row

You need to connect to the database and execute your query:

$conn = pg_connect("dbname=bigdb host=myserver user=me2");
$query_panels = sprintf("SELECT... ;
$res = pg_query($conn,$query_panels);
$fieldcount = pg_num_fields($res);

etc...