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Re: [lvs-users] ldirectord and oracle

To: Tim Pretlove <T.Pretlove@xxxxxxxxxxxxxxx>, lvs-users@xxxxxxxxxxxxxxxxxxxxxx, Geoff Harrison <mandrake@xxxxxxxxxxxx>
Subject: Re: [lvs-users] ldirectord and oracle
From: Simon Horman <horms@xxxxxxxxxxxx>
Date: Fri, 16 Jul 2010 17:41:14 +0900
On Wed, Jun 23, 2010 at 04:04:49PM +0900, Simon Horman wrote:
> [ Cced lvs-users and Geoff Harrison for comment ]

Geoff, ping (I know its Friday :-)

> On Mon, Jun 14, 2010 at 11:40:55AM +0100, Tim Pretlove wrote:
> > Hi Simon,
> > 
> > Here is a patch for Oracle support. I've tried to make it as minor
> > as possible to avoid breaking the other database support.
> > 
> > Regards
> > 
> > 
> > Tim
> > 
> > 
> > On 09/06/10 01:47, Simon Horman wrote:
> > >On Tue, Jun 08, 2010 at 09:28:45AM +0100, Tim Pretlove wrote:
> > >>Okay, I do currently have a version that works with oracle but I
> > >>wouldn't like to release it to the world until I have done some more
> > >>testing/tweeking. I have a few other type of database available
> > >>(Postgres and Mysql) so I will test it against them and make sure I
> > >>haven't broken anything.
> > >
> > >Thanks, let me know how it goes.
> > 
> > -- 
> >  ____________________________________
> > (                                    )
> > ( Tim Pretlove                       )
> > ( Computing Services                 )
> > ( The University of Liverpool        )
> > ( Computer Laboratory, Brownlow Hill )
> > ( Liverpool, L69 3BX                 )
> > ( Email: t.pretlove@xxxxxxxxxxxxxxx  )
> > ( Phone: 0151-794-4479               )
> > (                                    )
> >  ------------------------------------
> >        o   ,__,
> >         o  (00)____
> >            (__)    )\
> >               ||--|| *
> 
> > diff -r cbd80d4017c8 ldirectord/ldirectord.in
> > --- a/ldirectord/ldirectord.in      Tue Jun 08 20:07:16 2010 +0200
> > +++ b/ldirectord/ldirectord.in      Mon Jun 14 11:36:32 2010 +0100
> > @@ -3043,7 +3043,7 @@
> >  
> >  sub check_oracle
> >  {
> > -   return check_sql(@_, "Oracle", "");
> > +   return check_sql(@_, "Oracle", "sid");
> >  }
> >  
> >  sub check_sql
> > @@ -3067,6 +3067,7 @@
> >                         "host=$$r{server};port=$port", $$v{login},
> >                         $$v{passwd});
> >     unless ($dbh) {
> > +           &ld_debug(2, "Failed to bind to $$r{server} with 
> > DBI->errstr\n");
> >             check_sql_log_errstr("Failed to bind to $$r{server} with",
> >                                  DBI->errstr);
> >             goto err_down;
> > @@ -3074,16 +3075,16 @@
> >     $result--;
> >     $sth = $dbh->prepare($query);
> >     unless ($sth) {
> > +           &ld_debug(2, "Error preparing statement: $dbh->errstr\n");
> >             check_sql_log_errstr("Error preparing statement:",
> >                                  $dbh->errstr);
> >             goto err_disconect;
> >     }
> >  
> > -   # On error "execute" will return undef.
> > -   # Otherwise it will return either "0E0"
> > -   # (Some garbage to make 0 true) or > 1.
> > +   # Test to see if any errors are returned
> >     $sth->execute;
> > -   unless ($sth->rows) {
> > +   if ($dbh->err) {
> > +           &ld_debug(2, "Error executing statement: $dbh->errstr : 
> > $dbh->err\n");
> >             check_sql_log_errstr("Error executing statement:",
> >                                  $dbh->errstr, $dbh->err);
> >             goto err_finish;
> > @@ -3104,8 +3105,10 @@
> >     # (enabled) that says whether or not you want to actually use this
> >     # in the pool from ldirector / ipvs, and disable them without
> >     # actually turning off your sql server.
> > -
> > -   unless ($rows = $sth->execute) {
> > +   
> > +   $sth->execute;
> > +   if ($dbd eq "Oracle") { $sth->fetchrow_hashref() }
> > +   unless ($rows = $sth->rows) {
> >             check_sql_log_errstr("Error executing statement:",
> >                                  $dbh->errstr, $dbh->err);
> >             goto err_finish;
> 
> 
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> 
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