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Re: FROM + JOIN when more than one table in FROM

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On Wed, Mar 12, 2008 at 11:40:18AM +0100, Ivan Sergio Borgonovo wrote:
> I'd like to make this query work
> 
> select 1,
> 	st.Name, sm.Name, sm.MethodID, sm.Description,
> 	pt.Name, pm.Name, pm.MethodID, pm.Description
> 	from
> 	shop_commerce_paymethods pm,
> 	shop_commerce_shipmethods sm
> 	
> 	inner join shop_commerce_shiptypes st on sm.TypeID=st.TypeID
> 	inner join shop_commerce_paytypes pt on pm.TypeID=pt.TypeID
> where sm.MethodID=1 and pm.MethodID=1
> 
> I can make it work renouncing to one *t.Name changing the order of
> the FROM tables and skipping one join... but I can't have in one run
> all I need.

From my understanding of SQL join syntax, the above is parsed as:

FROM pm,((sm inner join st) inner join pt)

which means that pm isn't in scope when doing the inner join on pt.
Perhaps this would owrk:

FROM sm inner join st inner join pt inner join pm

Have a nice day,
-- 
Martijn van Oosterhout   <kleptog@xxxxxxxxx>   http://svana.org/kleptog/
> Please line up in a tree and maintain the heap invariant while 
> boarding. Thank you for flying nlogn airlines.

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