Hello Reinhard,
Thanks for confirming my concerns. So you say that on 5.6.x it is ok,
but not on 5.8.x. But threading + mysql is quite a powerful combination
to give up!
I wonder if anybody in this mailing list has a workaround/ solution.
Reinhard Pagitsch wrote:
Hello,
I tryed it also with Perl v5.8.7 and had the same prroblem as you, on
the 2nd doIt Perl crashes.
I also found out that Perl crashes in the DBI.pm sub "disconnect_all".
Removing "use threads;" it works.
regards,
Reinhard
Foo Ji-Haw wrote:
Hello Reinhard,
I am using 5.8.6 of ActivePerl. Thanks for checking out the codes.
Reinhard Pagitsch wrote:
Hello,
Foo Ji-Haw wrote:
Hi all,
I thought I can hit a nice milestone today, but it seems that I
have hit a strange obstacle instead.
In my tests, the following code will run, but when it terminates an
error message will be shown.
use strict;
use warnings;
use DBI;
use threads;
doIt();
doIt();
sub doIt
{
my $dbh = DBI->connect('dbi:mysql:database','username','password');
my $stmt = $dbh->prepare ('select id from tablename');
$stmt->execute();
while (my $record=$stmt->fetchrow_hashref('NAME_lc')) {}
}
Change the database connection parameters (eg. username, password,
table name) to your database.
My analysis of the problem is as follows:
1. Using the ODBC driver is ok. I've tested with MSSQL connection
and it's fine.
2. The problem lies with using threads alongside DBI. If I take out
'use threads' all is well.
3. There are 2x doIt() calls because it only fails on the second
database connection.
4. It seems to be related to fetchrow_hashref(), because if I take
that out, all is fine.
Can someone confirm this? Is there anybody who can suggest a
workaround? Thanks.
There is no problem here, Perl v5.6.1. Which Perl version do you use?
regards,
Reinhard
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