Why isn't this query working in python?

erikcw erikwickstrom at gmail.com
Sun May 27 16:58:04 EDT 2007


On May 27, 4:01 pm, Steve Holden <s... at holdenweb.com> wrote:
> erikcw wrote:
> > On May 26, 8:21 pm, John Machin <sjmac... at lexicon.net> wrote:
> >> On May 27, 5:25 am, erikcw <erikwickst... at gmail.com> wrote:
>
> >>> On May 25, 11:28 am, Carsten Haese <cars... at uniqsys.com> wrote:
> >>>> On Fri, 2007-05-25 at 09:51 -0500, Dave Borne wrote:
> >>>>>> I'm trying to run the following query:
> >>>>> ...
> >>>>>> member_id=%s AND expire_date > NOW() AND completed=1 AND (product_id
> >>>>> Shouldn't you be using the bind variable '?' instead of '%s' ?
> >>>> The parameter placeholder for MySQLdb is, indeed and unfortunately, %s.
> >>>> The OP is using parameter substitution correctly, though in an
> >>>> obfuscated fashion. 'sql' is a misnamed tuple containing both the query
> >>>> string *and* the parameters, which is being unpacked with '*' into two
> >>>> arguments to the execute call.
> >>>> The only problem I see is that the parameters should be a sequence, i.e.
> >>>> (self.uid,) instead of just (self.uid).
> >>>> HTH,
> >>>> --
> >>>> Carsten Haesehttp://informixdb.sourceforge.net
> >>> I tried adding the comma to make it a sequence - but now change.
> >>> ('SELECT payment_id FROM amember_payments WHERE member_id=%s AND
> >>> expire_date > NOW() AND completed=1 AND (product_id >11 AND product_id
> >>> <21)', (1608L,))
> >>> ()
> >>> What else could it be?
> >> Possibly a type mismatch. How is member_id declared in the CREATE
> >> TABLE? For diagnostic purposes, try passing in (1608,) and ('1608',).
>
> > Here is a copy of the table schema and the first 2 rows.
>
> > -- phpMyAdmin SQL Dump
> > -- version 2.9.0.2
> > --http://www.phpmyadmin.net
> > --
> > -- Host: localhost
> > -- Generation Time: May 27, 2007 at 11:29 AM
> > -- Server version: 5.0.27
> > -- PHP Version: 4.4.2
> > --
> > -- Database: `lybp_lybp`
> > --
>
> > -- --------------------------------------------------------
>
> > --
> > -- Table structure for table `amember_payments`
> > --
>
> > CREATE TABLE `amember_payments` (
> >   `payment_id` int(11) NOT NULL auto_increment,
> >   `member_id` int(11) NOT NULL default '0',
> >   `product_id` int(11) NOT NULL default '0',
> >   `begin_date` date NOT NULL default '0000-00-00',
> >   `expire_date` date NOT NULL default '0000-00-00',
> >   `paysys_id` varchar(32) NOT NULL default '',
> >   `receipt_id` varchar(32) NOT NULL default '',
> >   `amount` decimal(12,2) NOT NULL default '0.00',
> >   `completed` smallint(6) default '0',
> >   `remote_addr` varchar(15) NOT NULL default '',
> >   `data` text,
> >   `time` timestamp NOT NULL default CURRENT_TIMESTAMP on update
> > CURRENT_TIMESTAMP,
> >   `aff_id` int(11) NOT NULL default '0',
> >   `payer_id` varchar(255) NOT NULL default '',
> >   `coupon_id` int(11) NOT NULL default '0',
> >   `tm_added` datetime NOT NULL default '0000-00-00 00:00:00',
> >   `tm_completed` datetime default NULL,
> >   `tax_amount` decimal(12,2) NOT NULL default '0.00',
> >   PRIMARY KEY  (`payment_id`),
> >   KEY `member_id` (`member_id`),
> >   KEY `payer_id` (`payer_id`),
> >   KEY `coupon_id` (`coupon_id`),
> >   KEY `tm_added` (`tm_added`,`product_id`),
> >   KEY `tm_completed` (`tm_completed`,`product_id`)
> > ) ENGINE=MyISAM  DEFAULT CHARSET=latin1 AUTO_INCREMENT=11020 ;
>
> > --
> > -- Dumping data for table `amember_payments`
> > --
>
> > INSERT INTO `amember_payments` VALUES (423, 107, 1, '2004-10-01',
> > '2004-10-21', 'authorize_aim', '5687944', 3.95, 1, '', NULL,
> > '2004-11-30 19:21:43', 0, '', 0, '2004-11-30 19:21:43', '2004-11-30
> > 19:21:43', 0.00);
> > INSERT INTO `amember_payments` VALUES (422, 107, 1, '2004-10-22',
> > '2004-11-21', 'authorize_aim', '5873225', 9.95, 1, '', NULL,
> > '2004-11-30 19:22:18', 0, '', 0, '2004-11-30 19:20:13', '2004-11-30
> > 19:20:13', 0.00);
>
> > Thanks for your help!
> > Erik
>
> I feel obliged to point out that there ARE no rows meeting the criteria
> you query specified!
>
> mysql> SELECT expire_date, NOW() FROM amember_payments;
> +-------------+---------------------+
> | expire_date | NOW()               |
> +-------------+---------------------+
> | 2004-10-21  | 2007-05-27 15:59:21 |
> | 2004-11-21  | 2007-05-27 15:59:21 |
> +-------------+---------------------+
> 2 rows in set (0.02 sec)
>
> mysql>
>
> So I am not sure how you managed to get a manual query to work, but do
> be sure that the Python query you mentioned at the start of the thread
>
>              sql = """SELECT payment_id FROM amember_payments WHERE
> member_id=%s AND expire_date > NOW() AND completed=1 AND (product_id
>  > >11 AND product_id <21)""", (self.uid)
>
> doesn't stand a chance of returning any results unless you use a time
> machine to go back almost three years!
>
> regards
>   Steve
> --
> Steve Holden        +1 571 484 6266   +1 800 494 3119
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The rows I posted are just a small sample (the first 2).  There are
tens of thousands of rows in the table.

Also, yes, the query does work when I run it manually against MySQL.




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