[Zope] SQL Method running twice

[Justin Dunsworth]

Thanks for the reply... Are you suggesting that there may be an issue with
MySQL receiving the data from zope and the way it handles it?

Strange thing is that I'm using the exact same method I have used thousands
of times over and same code layout and this is the first time I'm seeing it.
I've changed around a few things relating to variable names etc thinking it
was the case but dumbing it down to the simplest way I can still is giving
the error.

On Thu, Dec 10, 2009 at 1:03 PM, Andreas Jung <lists at zopyx.com> wrote:

> In case of a ZODB conflict error the whole request will be repeat up to
> three times.
> If you database does not provide proper transaction support (trible
> check your MySQL
> installation and your table type useage), you're doomed. A proper RDBMS
> like Oracle
> or Postgres will behave properly and abort the transaction in case of a
> ZODB transaction
> abort.
>
> -aj
>
> Am 10.12.09 19:59, schrieb Justin Dunsworth:
>  > I am running into a brand new issue today that I can't, for the life
> > of me, figure out. I wrote a standard page to insert data into a MySQL
> > table using Z SQL methods from a form like I always have but for some
> > strange reason it's running the same query twice, thus adding a
> > duplicate entry.
> >
> > I have confined the original code in it's own document, checked,
> > double checked, and still no avail. Here's the code for the page:
> >
> > <dtml-var frame_header>
> > <dtml-if addnewstatus>
> >   <dtml-try>
> >     <dtml-call "RootSQLMethods.admin.Status_Add(_.None,_)">
> >     <dtml-call "RESPONSE.redirect(BASE2+'/statuses')">
> >   <dtml-except>
> >     <p>Error while submitting! Status not added.</p>
> >     <br>Error type: <dtml-var error_type>
> >     <br>Error value: <dtml-var error_value>
> >   </dtml-try>
> > </dtml-if>
> > <form action="&dtml-URL;" method="post">
> >   <table class="tborder" align="center" width="30%" cellspacing="0" >
> >     <tr><td class="tcat" align="center" colspan="2" style="font-size:
> > 12pt;">Add New Status</td></tr>
> >     <tr><td width="35%" align="right"><b>Name:</b></td><td
> > width="65%"><input type="text" name="name_add" size=15></td></tr>
> >     <tr><td width="35%" align="right"
> > valign="top"><b>Description:</b></td><td width="65%"><textarea
> > name="description_add" cols=25 rows=4></textarea></td></tr>
> >     <tr><td width="35%" align="right"><b>Sort:</b></td><td
> > width="65%"><input type="text" name="sort_add" value="5"
> size=1></td></tr>
> >     <tr><td align="center" colspan="2"><hr></td></tr>
> >     <tr>
> >       <td><input type="hidden" name="addnewstatus" value="1"></td>
> >       <td>
> >         <button class="button" onclick="this.form.submit()">Add
> > Status</button>&nbsp;&nbsp;
> >         <button class="button" onclick="window.location = '<dtml-var
> > BASE2>/statuses'; return false;">Cancel</button>
> >       </td>
> >     </tr>
> >   </table>
> > </form>
> > <dtml-var frame_footer>
> >
> > I can run the SQL Method by itself and it works just fine (only
> > inserting it once) but when run as a separate page it adds the two.
> >
> > Any assistance is appreciated
> >
> >
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