MySQL: how to make multiple table fulltext search

Question

I want to integrate the MySQL fulltext search function in my PHP site.

I have the following problem now.

SELECT *
FROM testtable t1, testtable2 t2
WH         


        

Answer 1

I think since full text search use some specific indexes you should separate table by OR

SELECT *
FROM testtable t1, testtable2 t2
WHERE MATCH (
t1.firstName, t1.lastName, t1.details
)
AGAINST (
'founder'
) OR MATCH( t2.firstName, t2.lastName, t2.details) AGAINST (
'founder'
);