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Fulltext search with order by static field

al.jamesal.james ContributorCurrent User Role Beginner
Hi there...

I need to optimise:

SELECT * FROM table WHERE MATCH(text_field) AGAINST ('text') ORDER BY score DESC;

where score is a pre-computed int field.

At the moment, despite text_field and score both having indices, the query results in a filescan.

I guess as mysql will only use one index per table, it is using the fulltext index.

Is there anything that can be done to speed this up?


Alastair James


  • bluesagabluesaga Contributor Inactive User Role Beginner
    How many rows are in this query?
    How much buffer do you have to utilise?

    Not really relevant but worth a say, in my opinion, a much better fulltext alternative is sphinx (
  • PeterPeter Percona CEO Percona Moderator Role
    Extra: Using where

    Any thoughts?
    MySQL FullText search is only use fulltext search index if full text search is performed. This means state=wa will be done using post filtering (by rea
  • albionalbion Entrant Current User Role Beginner
    in this case can we order table with "ALTER TABLE ORDER BY score DESC" and all next selecting do without ORDER BY statement?
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