Oder items from values from another table

Hi again.

I have another problem and hope to get help from this community of great programmers.

I am trying to sort my products table from the values in my products_categories tables.

products table has:
psku
panme
pdescription

products_subcategories table has:
psku
subcatgorie_name
orderid

This setup allows me to add a product into multiple sub-categories. How could I sort the products_table based on values in my orderid from the products_subcategories table.

I have this but its not working at this point.

SELECT * FROM products LEFT JOIN products_subcategories ON products.psku = products_subcategories.psku WHERE products.psku = '6025' OR products.psku = '6022' OR products.psku = '6018' OR products.psku = '6017' GROUP BY products_subcategories.psku ORDER BY products_subcategories.dsporder ASC

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The products show, but are not being sorted by orderid. The orderid is contain values from 1 - 4, where
psku #6025 has orderid 1
psku #6022 has orderid 2
psku #6018 has orderid 3
psku #6017 has orderid 4

On my page output, psku #6018 is first and #6025 is last, etc.

Any help would be appreciated.

Regards.
slickipAsked:
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jamelessCommented:
Did you make a typo when asking the question?  Or did you copy and paste it from where you ran the code?

Try this:
SELECT 
	* 
FROM 
	products LEFT JOIN products_subcategories 
	ON products.psku = products_subcategories.psku 
WHERE products.psku IN ('6025','6022','6018','6017')
GROUP BY products_subcategories.psku 
ORDER BY products_subcategories.orderid ASC

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Notice I condensed your OR into an IN.  Makes it a little easier on the eyes.
0
slickipAuthor Commented:
Hi jameless,

Thank you for replying and cleaner code example. I ran your code, but it produces the same result. It's still ignoring the sort by orderid. Changing the order behaviour from ASC to DESC shows on the result output, but the orderid is ignored.

Any more ideas on what the coding error could be?

Thanks.
0
jamelessCommented:
Whoops forgot to include it in the group by.  Try this?:
SELECT 
	* 
FROM 
	products LEFT JOIN products_subcategories 
	ON products.psku = products_subcategories.psku 
WHERE products.psku IN ('6025','6022','6018','6017')
GROUP BY products_subcategories.psku, products_subcategories.orderid 
ORDER BY products_subcategories.orderid ASC

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0
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slickipAuthor Commented:
Hi again.
Thanks for the prompt reply.
I tried your code, but now I am getting duplicated psku's.
psku #6017 appears twice and so does psku #6022. Order looks like:

#6017
#6018
#6022
#6022
#6025
#6017

Thanks.
0
jamelessCommented:
Can #6022 have more than 1 orderid?  1,2,3,etc?
0
slickipAuthor Commented:
Hi again.

The reason for the double up is because #6022 is listed twice in the products_subcategories table. It's listed once for cosmetics and another time for eyelashes. Same with #6017. I believe it could have to do with the group by orderid part of the code. When removing that part, there are no dublicates.

Thanks.
0
slickipAuthor Commented:
Answering my own question I got it to work with the following:

$subcat = $_GET['subcategory'];
SELECT DISTINCT e2o_products.* FROM e2o_products
INNER JOIN e2o_products_subcategories 
ON e2o_products.psku = e2o_products_subcategories.psku 
WHERE e2o_products.pstatus =  '1' 
AND e2o_products_subcategories.subcategory = '$subcat'
AND e2o_products.psku IN ('6025','6022','6018','6017')
GROUP BY e2o_products_subcategories.psku
ORDER BY e2o_products_subcategories.dsporder ASC

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This will return the data exactly how I am setting it through my orderid.

Thanks for anyone involved.
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slickipAuthor Commented:
Being a newbie in the field of PHP and MySQL, I was able to learn more on INNER JOIN, LEFT JOIN etc. I am sure that my solution isn’t the cleanest one, as I am certain this could be done way better. That’s why I am grading it as "Average"
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