#1271 - Illegal mix of collations for operation 'UNION'

Question

Trying to write a select-union query, but allways getting this error: #1271 - Illegal mix of collations for operation 'UNION'

Mysql query:

SELECT users.*, offices.name as office_name FROM huilo_daikiri.`users` left outer join offices on (offices.id=users.office_id) where users.id='120'
union all
SELECT users.*, offices.name as office_name FROM huilo_laroc.`users` left outer join offices on (offices.id=users.office_id) where users.id='185'

When I separate it for 2 SELECTs - it works.

What I'm doing wrong? Thx.

Answer 1

You have columns in the two tables with different collations. Look at the COLLATE keyword in Books Online.