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Old 02-28-2008, 11:25 AM
blaine@worldweb.com
 
Posts: n/a
Default Re: Right Join Help Please

On Aug 10, 12:00 pm, "Paul Lautman" <paul.laut...@btinternet.com>
wrote:
> bla...@worldweb.com wrote:
> > Hi,

>
> > I have the following query that runs and returns the correct results.

>
> > SELECT c.title AS categoryName, p.title, p.id
> > FROM dex_product_to_category ptc
> > JOIN dex_product p ON ( ptc.product_id = p.id )
> > JOIN dex_product_category c ON ( ptc.category_id = c.id )

>
> > categoryName title id
> > Chocolate Bars Snickers 1
> > Candy O Henry 2
> > Chocolate Bars O Henry 2

>
> > However, when I try to right join to a new table
> > "dex_product_sku_override" where there may or may not be a override I
> > always get a zero result set. I was under the impression that using a
> > right join would bring back a column even if it did not exists...
> > Where have I gone wrong?

>
> > Ideally I would like to return the results that DO NOT have a sku
> > override.

>
> > SELECT c.title AS categoryName, p.title, p.id, o.sku
> > FROM dex_product_to_category ptc
> > JOIN dex_product p ON ( ptc.product_id = p.id )
> > JOIN dex_product_category c ON ( ptc.category_id = c.id )

>
> > RIGHT JOIN dex_product_sku_override o (p.id = o.product_id)

>
> > Thanks for the help

>
> Try a LEFT JOIN


Sorry I just noticed this as well.

This will now work.

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