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Recent Category filter logic changes
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Matthew  
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 More options Jul 26 2012, 12:38 pm
From: Matthew <matthew.di...@maluuba.com>
Date: Thu, 26 Jul 2012 09:38:13 -0700 (PDT)
Local: Thurs, Jul 26 2012 12:38 pm
Subject: Recent Category filter logic changes
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Has there been an update to how the category_filter parameter works
recently (say within the last 2 months)?

Before I noticed it was AND logic, i.e. it found businesses that matched
all the categories specified
(I noticed the topic: 'APIv2: Category filter for search and response
changes' talked about this logic as well)
But now I notice OR logic, i.e. found businesses that matched any of the
specified categories.

Is this an official change or bug fix that finally got pushed through?

Thanks


 
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Garrick Chin  
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 More options Jul 26 2012, 2:43 pm
From: Garrick Chin <garr...@yelp.com>
Date: Thu, 26 Jul 2012 11:43:21 -0700
Local: Thurs, Jul 26 2012 2:43 pm
Subject: Re: Recent Category filter logic changes
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Hi Matthew,

Could you provide an example query which appears to be using the OR logic?
 Thanks


 
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Matthew  
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 More options Jul 26 2012, 2:57 pm
From: Matthew <matthew.di...@maluuba.com>
Date: Thu, 26 Jul 2012 11:57:15 -0700 (PDT)
Local: Thurs, Jul 26 2012 2:57 pm
Subject: Re: Recent Category filter logic changes
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Something like:
http://api.yelp.com/v2/search?term=&location=san%20francisco&sort=2&c...

Returns businesses with either the drugstores category or the icecream
category. None of the businesses have both categories.


 
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Garrick Chin  
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 More options Jul 26 2012, 4:24 pm
From: Garrick Chin <garr...@yelp.com>
Date: Thu, 26 Jul 2012 13:24:27 -0700
Local: Thurs, Jul 26 2012 4:24 pm
Subject: Re: Recent Category filter logic changes
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I spoke with our search team, the category OR behavior is intentional.  Do
you remember what queries were showing AND logic previously?  That is
curious, and not an expected behavior.

I'll update the documentation to make this more clear, thanks for the
report.


 
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Matthew  
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 More options Jul 26 2012, 5:55 pm
From: Matthew <matthew.di...@maluuba.com>
Date: Thu, 26 Jul 2012 14:55:18 -0700 (PDT)
Local: Thurs, Jul 26 2012 5:55 pm
Subject: Re: Recent Category filter logic changes
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Thanks Garrick, good to know that this is the intentional behavior.

I couldn't figure out what my previous query was, I think it was that, or
something obscure such that no business would have both categories (thus
return no results).


 
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