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Old October 7th, 2006, 01:14 AM
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Default query problem

Hello all,

I am tring to execute this condition based query from two table(product & itemdetails),
 where,
 if prod_type from itemdetails is "exclusive"
then
prod_status from product table is inactive
else
prod_status from product table is active.
then

This is my table structure:::::::::::::::

CREATE TABLE `itemdetails` (
  `sno` int(11) NOT NULL auto_increment,
  `cart_id` varchar(60) default NULL,
  `prod_id` varchar(30) default NULL,
  `prod_price` double(5,0) default NULL,
  `prod_desc` varchar(250) default NULL,
  `prod_quantity` int(2) default NULL,
  `prod_type` varchar(20) default NULL,
  `prod_source` varchar(30) default NULL,
  `prod_colour` varchar(30) NOT NULL default '',
  `prod_colno` int(10) NOT NULL default '0',
  PRIMARY KEY (`sno`)
) ENGINE=MyISAM AUTO_INCREMENT=139 DEFAULT CHARSET=latin1;

/*Data for the table `itemdetails` */

insert into `itemdetails` values

(82,'ef253b43f5cbd61142e71b90de6cc327','INF001',45 00,'test',1,'Non-exclusive','.psd,.html','INF001BL',1),

(81,'ef253b43f5cbd61142e71b90de6cc327','HOL001',60 00,'description',1,'Non-exclusive','.psd,.html','HOL001RL',3),

(80,'ef253b43f5cbd61142e71b90de6cc327','BUS001',50 0,'nothing ',1,'Non-exclusive','.psd,.html','BUS001BL',1),

(61,'6bdf65b5714a7bf7f997f51c52d92805','BUS001',10 00,'nothing ',1,'Exclusive','.psd,.html','BUS001GL',2),

(62,'6bdf65b5714a7bf7f997f51c52d92805','BUS003',12 000,'test',1,'Exclusive','.psd,.html','BUS003BL',1 );




CREATE TABLE `product` (
  `sno` int(11) NOT NULL auto_increment,
  `prod_id` varchar(20) NOT NULL default '',
  `prod_desc` text NOT NULL,
  `prod_nonexclusive` double(5,0) default NULL,
  `prod_exclusive` double(5,0) NOT NULL default '0',
  `prod_colour` varchar(50) NOT NULL default '',
  `prod_source` varchar(50) NOT NULL default '',
  `prod_date` date NOT NULL default '0000-00-00',
  `image1_small` longblob,
  `image1_big` longblob,
  `image1_small_type` varchar(20) default NULL,
  `image1_big_type` varchar(20) default NULL,
  `image1_prod_id` varchar(20) NOT NULL default '',
  `image2_small` longblob,
  `image2_big` longblob,
  `image2_small_type` varchar(20) default NULL,
  `image2_big_type` varchar(20) default NULL,
  `image2_prod_id` varchar(20) NOT NULL default '',
  `image3_small` longblob,
  `image3_big` longblob,
  `image3_small_type` varchar(20) default NULL,
  `image3_big_type` varchar(20) default NULL,
  `image3_prod_id` varchar(20) NOT NULL default '',
  `image4_small` longblob,
  `image4_big` longblob,
  `image4_small_type` varchar(20) default NULL,
  `image4_big_type` varchar(20) default NULL,
  `image4_prod_id` varchar(20) NOT NULL default '',
  `prod_status` varchar(20) default NULL,
  PRIMARY KEY (`sno`,`prod_id`),
  UNIQUE KEY `sno` (`sno`),
  KEY `prod_colour` (`prod_colour`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

Plz help me, urgent.

Regards
puru



shopping
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Old December 1st, 2006, 02:51 PM
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Default

First things first.

I dont notice in your table structures that you have and foriegn key restrictions on the sno column stating that they must resemble one another. Could be wrong as Im used to postgreSQL and not mySQL.

After you have that setup, maybe you already do. You just need a join the tables to query from both.

select i.snow,i.product_status from itemdetails as i,products as p where i.sno=p.snow and .

Then your returned 2 columns, the primary key/id and the string your looking for.

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Old December 1st, 2006, 02:53 PM
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Default

Quote:
quote:Originally posted by jlh42581
 First things first.

I dont notice in your table structures that you have and foriegn key restrictions on the sno column stating that they must resemble one another. Could be wrong as Im used to postgreSQL and not mySQL.

After you have that setup, maybe you already do. You just need a join the tables to query from both.

select i.snow,i.product_status from itemdetails as i,products as p where i.sno=p.sno;

Then your returned 2 columns, the primary key/id and the string your looking for.

In your sql loop, create an if

if(return[1] == "inactive){
  do somthing
}
else{
  do somthing else
}

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