Bruce Johnson wrote:
>
> On Apr 13, 2010, at 1:56 AM, Troy Mulder wrote:
>
>> However, when I put any sort of an update command after that, as in:
>>
>> while ( @xml_content = $sth->fetchrow_array() ) {
>> $sth = $dbh->prepare("SELECT msgid, xmlcontent FROM messages WHERE
>> msgid = 1892362")
On Apr 13, 2010, at 1:56 AM, Tim Bunce wrote:
However, when I put any sort of an update command after that, as in:
while ( @xml_content = $sth->fetchrow_array() ) {
$sth = $dbh->prepare("SELECT msgid, xmlcontent FROM messages WHERE
msgid = 1892362");
print "Message ID = $msgid\n";
$
On Tue, Apr 13, 2010 at 1:56 AM, Tim Bunce wrote:
> - Forwarded message from Troy Mulder -
>
> Date: Mon, 12 Apr 2010 17:48:37 -0400
> From: Troy Mulder
> To: tim.bu...@pobox.com
> Subject: How to loop through a database, row by row, and select and update
>one row at a time
>
>
Sounds more like an SQL problem to me.
The way you are doing that update is the most inefficient ways possible.
They doing this as one SQL statement with an Update select or Join rather that
select one subset and iterate over it to update another.
Anyway in you perl code
>$s
