MySQL duplicates with CONCAT error 1548 - Cannot load from mysql.proc. The table is probably corrupt


i have this query witch concatenates firstname with last name and then find the duplicates:

SELECT import.*, import.CONCAT(nume,' ',prenume) full2 FROM import INNER JOIN (SELECT CONCAT(nume,' ',prenume) full,COUNT(*) FROM import WHERE users_id=1 GROUP BY full HAVING COUNT(*)>1) as t2 ON import.full2 = t2.full WHERE users_id=1

i think the sql syntax is correct but i get the error: 1548 - Cannot load from mysql.proc. The table is probably corrupted

is there any problem with the 5.1.59 mysql version?


Do that

CONCAT(import.nume,' ',import.prenume) full2

instead of

import.CONCAT(nume,' ',prenume) full2 <h2>Update</h2>

Try that:

SELECT t1.*, CONCAT(t1.nume,' ',t1.prenume) full2 FROM import t1 INNER JOIN (SELECT CONCAT(i2.nume,' ',i2.prenume) `full`, COUNT(*) FROM import i2 WHERE i2.users_id=1 GROUP BY `full` HAVING COUNT(*)>1) as t2 ON full2 = t2.`full` WHERE users_id=1



SELECT import.*, import.CONCAT(nume,' ',prenume) full2


SELECT import.*, CONCAT(import.nume,' ',import.prenume) as full2

Note the change to the CONCAT statement and the as addition for using column aliases

as you are using a single table you could remove the import. from the column list ... alternatively you could use a table alias

SELECT i.*, CONCAT(i.nume,' ',i.prenume) as full2 FROM import i WHERE i.user_id = 1

as an example.

<a href="http://dev.mysql.com/doc/refman/5.0/en/select.html#id742747" rel="nofollow">See the MySQL docs here on using the AS alias</a>


Examines all tables in all databases for incompatibilities with the current version of MySQL Server:

mysql_upgrade -uroot -p

<a href="http://dev.mysql.com/doc/refman/5.0/en/mysql-upgrade.html" rel="nofollow">http://dev.mysql.com/doc/refman/5.0/en/mysql-upgrade.html</a>


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