March 16, 2012
MySQL WHERE IN ()
Question by netcase
My query is:
SELECT * FROM table WHERE id IN (1,2,3,4);I use it for usergroups and a user can be in more than one group. but it seems that when a record has multiple id like 1 and 3, mySQL does not return that row.
is there any way to get that row too?
Any help would be appreciated!
Answer by Starx
Your query translates to
SELECT * FROM table WHERE id='1' or id='2' or id='3' or id='4';
It will only return the results that match it.
One way of solving it avoiding the complexity would be, chaning the datatype to SET.
Then you could use, FIND_IN_SET
SELECT * FROM table WHERE FIND_IN_SET('1', id);
