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error code 1267. illegal mix of collations utf8_general_ci implicit

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Mysql Illegal Mix Of Collations (utf8_unicode_ci Implicit) And (utf8_general_ci Implicit)

Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges mysql illegal mix of collations for operation '=' Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: illegal mix of collations for operation 'like' Sign up Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=' up vote 56 down vote favorite 15 Error msg on MySql: Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=' I have gone through several other posts and was not able to solve this problem. The part affected is something similar to this: CREATE TABLE users ( userID INT

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UNSIGNED NOT NULL AUTO_INCREMENT, firstName VARCHAR(24) NOT NULL, lastName VARCHAR(24) NOT NULL, username VARCHAR(24) NOT NULL, password VARCHAR(40) NOT NULL, PRIMARY KEY (userid) ) ENGINE = INNODB CHARACTER SET utf8 COLLATE utf8_unicode_ci; CREATE TABLE products ( productID INT UNSIGNED NOT NULL AUTO_INCREMENT, title VARCHAR(104) NOT NULL, picturePath VARCHAR(104) NULL, pictureThumb VARCHAR(104) NULL, creationDate DATE NOT NULL, closeDate DATE NULL, deleteDate DATE NULL, varPath VARCHAR(104) NULL, isPublic TINYINT(1) UNSIGNED NOT NULL DEFAULT '1', PRIMARY KEY (productID) ) ENGINE = INNODB CHARACTER SET utf8 COLLATE utf8_unicode_ci; CREATE TABLE productUsers ( productID INT UNSIGNED NOT NULL, userID INT UNSIGNED NOT NULL, permission VARCHAR(16) NOT NULL, PRIMARY KEY (productID,userID), FOREIGN KEY (productID) REFERENCES products (productID) ON DELETE RESTRICT ON UPDATE NO ACTION, FOREIGN KEY (userID) REFERENCES users (userID) ON DELETE RESTRICT ON UPDATE NO ACTION ) ENGINE = INNODB CHARACTER SET utf8 COLLATE utf8_unicode_ci; The Store Procedure I'm using is this: CREATE PROCEDURE updateProductUsers (IN rUsername VARCHAR(24),IN rProductID INT UNSIGNED,IN rPerm VARCHAR(16)) BEGIN UPDATE productUsers INNER JOIN users ON productUsers.userID = users.userID SET productUsers.permission = rPerm WHERE users.username = rUsername AND productUsers.productID = rProductID; END I was testing

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Collation 'utf8_unicode_ci' Is Not Valid For Character Set 'latin1'

community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Illegal mix of collations error in MySql up vote 25 down vote favorite 10 Just got http://stackoverflow.com/questions/11770074/illegal-mix-of-collations-utf8-unicode-ci-implicit-and-utf8-general-ci-implic this answer from a previous question and it works a treat! SELECT username, (SUM(rating)/COUNT(*)) as TheAverage, Count(*) as TheCount FROM ratings WHERE month='Aug' GROUP BY username HAVING TheCount > 4 ORDER BY TheAverage DESC, TheCount DESC But when I stick this extra bit in it gives this error: Documentation #1267 - Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (latin1_general_ci,IMPLICIT) for operation '=' SELECT username, (SUM(rating)/COUNT(*)) as TheAverage, Count(*) as TheCount FROM ratings http://stackoverflow.com/questions/1241856/illegal-mix-of-collations-error-in-mysql WHERE month='Aug' **AND username IN (SELECT username FROM users WHERE gender =1)** GROUP BY username HAVING TheCount > 4 ORDER BY TheAverage DESC, TheCount DESC The table is: id, username, rating, month mysql collation mysql-error-1267 share|improve this question edited Jun 27 '14 at 11:08 Rikesh 19k104166 asked Aug 6 '09 at 22:21 Oliver 2591718 add a comment| 15 Answers 15 active oldest votes up vote 7 down vote accepted Check the collation type of each table, and make sure that they have the same collation. After that check also the collation type of each table field that you have use in operation. I had encountered the same error, and that tricks works on me. share|improve this answer edited Jan 16 '12 at 13:12 bluish 9,4041269126 answered Sep 29 '09 at 10:01 1mr3yn add a comment| up vote 50 down vote Here's how to check which columns are the wrong collation: SELECT table_schema, table_name, column_name, character_set_name, collation_name FROM information_schema.columns WHERE collation_name = 'latin1_general_ci' ORDER BY table_schema, table_name,ordinal_position; And here's the query to fix it: ALTER TABLE tbl_name CONVERT TO CHARACTER SET latin1 COLLATE 'latin1_swedish_ci'; Link share|improve this answer edited Feb 6 '13 at 23:59 answered Apr 21 '11 at 16:32 Dean Rather 13k104262 Thanks, this saved my day! –rahimv Au

dreaded illegal-mix-of-collations error. The occasional query would result in Illegal mix of collations (latin1_swedish_ci,IMPLICIT) https://airbladesoftware.com/notes/fixing-mysql-illegal-mix-of-collations/ and (utf8_general_ci,COERCIBLE) for operation '='. MySQL’s default character set is latin1 with an adventurous Swedish collation, which presumably seemed like a good idea at the time. However Rails uses UTF-8 everywhere and from time to time the two collations collide. Fortunately this problem is not new and clever people have already illegal mix solved it: see Getting out of MySQL Character Set Hell and Fixing a MySQL Character Encoding Mismatch. Those two articles advise more or less the same process. Here I’m just jotting down some notes where I found something confusing or ambiguous in case I ever have to do this again. Order of illegal mix of events After exporting the data and hacking the dump file, I wasn’t sure whether to configure MySQL for UTF-8 and then import the data, or the other way round. I chose to import the data and then configure MySQL to avoid double-encoding the data. It seems to have worked. It silently truncated all my accented text but I was able to fix that. Take stock First figure out where you stand. In MySQL do this: mysql> show variables like 'char%'; The result you want is this: +--------------------------+----------------------------+ | Variable_name | Value | +--------------------------+----------------------------+ | character_set_client | utf8 | | character_set_connection | utf8 | | character_set_database | utf8 | | character_set_filesystem | binary | | character_set_results | utf8 | | character_set_server | utf8 | | character_set_system | utf8 | | character_sets_dir | /usr/share/mysql/charsets/ | +--------------------------+----------------------------+ At this stage several of these values will be latin1. Similarly for collation: mysql> show variables like 'collation%';

 

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