MySQL 'Truncated incorrect INTEGER value' -

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i'm getting odd 'truncated incorrect integer value' error when run following update query:

update tbl set projectnumber = right(comments, 7) createdby = 'me' , length(convert(right(comments, 7), signed integer)) = 7  , convert(right(comments, 7), signed integer) > 0 , convert(right(comments, 7), signed integer) not null , createdon > '2011-01-31 12:00:00' , projectnumber null

projectnumber varchar(10).

when run straight select not error , see results expected. ideas? i'm trying update projectnumber field end of comments in imported notes 7 numeric characters (but projectnumber's not always 7 numeric, why field varchar(10)).

it's not error. it's warning comes convert() when ask convert non-numeric integer;

run these queries in console see:

mysql> select convert(right('1s23d45678', 7), signed integer); +-------------------------------------------------+ | convert(right('1s23d45678', 7), signed integer) | +-------------------------------------------------+ |                                               3 | +-------------------------------------------------+ 1 row in set, 1 warning (0.00 sec)  mysql> show warnings; +---------+------+----------------------------------------------+ | level   | code | message                                      | +---------+------+----------------------------------------------+ | warning | 1292 | truncated incorrect integer value: '3d45678' | +---------+------+----------------------------------------------+ 1 row in set (0.00 sec)

as said, it's warning, not error. query should doing update correctly.


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