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10.06.2008 at 03:22AM PDT, ID: 23789927
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8.0

MySQL Full Text Conditional Query

Asked by ratlhead in MySQL Server

Tags:

I need some help optimizing a MySQL Full Text search query.  My example attached is using vehicles and technologies to simplify things.  I'm trying to accomplish the following:

1) A user enters keywords to search, in this case, vehicles
2) The full text search then looks at a manufacturer field and model field
3) In addition, the search looks to see if any of those keywords match a 'technology'

So an example query for "Toyota Camry" would return all cars that match.

The problem arises when the user enters a technology too.  For example, there might be a record for a "Camry Hybrid", and all I want returned are *those vehicles*.  However, since "hybrid" is also a technology, I also get results for any cars that have a hybrid as a technology.

But, I can't not search the 'technology' field because what if a user searches just 'hybrids'?

I hope these examples make sense.  I'm trying to come up with a way to optimize the search and make it smart enough to go only get the desired results, but given there's no way to know what a user might enter, I'm not sure how to move forward.  Perhaps multiple queries?Start Free Trial 
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SELECT v.v_id
FROM vehicles v
WHERE (
	MATCH (v.manufacturer,v.model) AGAINST (\'' . $keywords . '\' IN BOOLEAN MODE) OR 
	v.technology_id IN (
		SELECT t.technology_id 
		FROM technologies t 
		WHERE MATCH (t.name) AGAINST (\'' . $keywords . '\' IN BOOLEAN MODE)
	)
)
[+][-]10.06.2008 at 07:54AM PDT, ID: 22650661

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[+][-]10.13.2008 at 02:25PM PDT, ID: 22706628

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About this solution

Zone: MySQL Server
Tags: MySQL
Sign Up Now!
Solution Provided By: ratlhead
Participating Experts: 1
Solution Grade: A
 
 
 
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