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Illegal Mix Of Collations For Operation ' In '

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Sql Illegal Mix Of Collations

Illegal mix of collations MySQL Error up vote 41 down vote favorite 21 I'm getting this strange error while processing a large number of data... Error Number: 1267 Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation '=' SELECT COUNT(*) as num from keywords WHERE campaignId='12' AND LCASE(keyword)='hello again 昔 ã‹ã‚‰ ã‚ã‚‹ å ´æ‰€' What can I do to resolve this? Can I escape mysql error 1253 the string somehow so this error wouldn't occur, or do I need to change my table encoding somehow, and if so, what should I change it to? mysql sql mysql-error-1267 share|improve this question edited Feb 27 '12 at 4:20 OMG Ponies 198k36356415 asked Jun 17 '09 at 16:49 Click Upvote 66.4k175449620 add a comment| 3 Answers 3 active oldest votes up vote 118 down vote accepted SET collation_connection = 'utf8_general_ci' then for your databases ALTER DATABASE db CHARACTER SET utf8 COLLATE utf8_general_ci ALTER TABLE table CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci MySQL sneaks swedish in there sometimes for no sensible reason. share|improve this answer answered Jun 17 '09 at 16:59 Ben Hughes 10.1k13032 2 works like a charm :) –Shiv Deepak Nov 28 '12 at 19:25 1 Fantastic friend. it work great. thanks. –Sagotharan Mar 14 '13 at 10:31 2 @Ben: Thank you for a directly copy-pastable solution. Saved me lots of time. –Pistos Oct 3 '13 at 16:57 9 @Ben: It was initially developed by a Swedish company... That is the reason behind the annoying latin1_swedish_ci initial setting.. :( –Vajk Hermecz

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Mysql Error 1267 Illegal Mix Of Collations

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Mysql Illegal Mix Of Collations For Operation '='

Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with mysql illegal mix of collations (utf8_unicode_ci implicit) and (utf8_general_ci implicit) us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just http://stackoverflow.com/questions/1008287/illegal-mix-of-collations-mysql-error 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 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 http://stackoverflow.com/questions/1241856/illegal-mix-of-collations-error-in-mysql 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 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

Community Podcasts MySQL.com Downloads Documentation Section Menu: MySQL Forums :: Character Sets, Collation, Unicode :: 1267 Illegal mix http://forums.mysql.com/read.php?103,421742,421742 of collations on a date field in MySQL New Topic Advanced Search 1267 Illegal mix of collations on a date field in MySQL Posted by: http://www.javaquery.com/2014/04/error-code-1267-illegal-mix-of.html Medolan Developer () Date: May 29, 2011 02:59PM Dear mysql-users and -developers we came across a strange behaviour of mysql with collations on a DATE-Field. illegal mix I postet a structured form of this question in my developer blog: http://blog.sky-bizz.com/2011/05/29/1267-illegal-mix-of-collations-on-a-date-field-in-mysql/. In the following example there is a table with existing records. After altering the table and appending a DATE-Field, this field is NOT writeable in already existing records. The following error message occurs on every write to the illegal mix of field: 1267 Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (latin1_general_ci,IMPLICIT) for operation ’=’ The connection is utf8, the Table was created with utf8 (except the ENUM-Fields), indeed the whole database was created with utf8. In Detail: This is the table (i renamed the table for security purposes): CREATE TABLE `test1` ( `id` BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT, `user_id` INT(10) UNSIGNED NOT NULL, `location_id` BIGINT(20) UNSIGNED DEFAULT NULL, `for_time` datetime NOT NULL, `value` DECIMAL(5,1) UNSIGNED NOT NULL, `unit` enum('mg_dl','mmol_l') CHARACTER SET latin1 COLLATE latin1_general_ci NOT NULL, `value_mgdl` DECIMAL(7,3) NOT NULL DEFAULT '0.000', `value_mmoll` DECIMAL(7,3) NOT NULL DEFAULT '0.000', `source` enum('import','test','user','support') CHARACTER SET latin1 COLLATE latin1_general_ci NOT NULL DEFAULT 'user', `comment` VARCHAR(255) NOT NULL, `created` datetime NOT NULL, `updated` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, PRIMARY KEY (`id`), KEY `user_id` (`user_id`), KEY `fk_copd_location_id` (`location_id`), KEY `for_time` (`for_time`), KEY `value` (`value`,`unit`), KEY `value_mgdl` (`value_mgdl`), KEY `value_mmoll` (`value_mmoll`), KEY `source` (`source`), CONSTRAINT `fk_test1

error I pulled my hair and scrolled through so many blog articles and forum. Finally today I came up with different solutions either can help you. Note in Public Interest: MySQL has strange behavior, I don't know which kinda developer working on it? So if you are facing an issue right now may not occur after day or so. Scenario:Most of our clients using Microsoft SQL Server but two or three client want MySQL Server on their server so we've to work on it. We deployed our code on MySQL Server. Our product has so many Stored Procedures, It was working fine but two days back they were facing same error. Solution 1: Check your query related column's collation using following query and change as per your requirement. /* Show all columns and its collation */ SELECT * FROM information_schema.columns WHERE table_schema = DATABASE(); /* ALTER TABLE MODIFY VARCHAR(255) CHARACTER SET utf8 COLLATE utf8_unicode_ci; to change column collation */ ALTER TABLE address MODIFY address1 VARCHAR(255) CHARACTER SET utf8 COLLATE utf8_unicode_ci; Solution 2: Check your table's collation using following query and change as per your requirement. /* Show all tables and its collation */ SHOW TABLE STATUS; /* ALTER TABLE CONVERT TO CHARACTER SET utf8 COLLATE ; to change table collation. */ ALTER TABLE actor CONVERT TO CHARACTER SET utf8 COLLATE utf8_unicode_ci; Solution 3: Check collation of your database and change as per your requirement. /* To check your database collation */ SELECT * FROM information_schema.SCHEMATA S WHERE schema_name = DATABASE(); /* ALTER DATABASE CHARACTER SET utf8 COLLATE ; To change database collation */ ALTER DATABASE test CHARACTER SET utf8 COLLATE utf8_unicode_ci; I did above suggested all changes still I was facing same error. I dig down further and found that my connection's collation is utf8_general_ci and database collation is utf8_unicode_ci. To understand the my ground follow below image. Solution 4: Use COLLATE within inline query as follow. SELECT * FROM actor WHERE name = tmp_VARIABLE COLLATE utf8_unicode_ci; Solution 5: Change parameter's character set in case of Stored Procedure or functions. CREATE PROCEDURE proc_test (param1 VARCHAR (10) charset utf8, param2 int) Solution 6:MySQL configuration changes Place following lines under [mysqld] tag in MySQL configuration file lying under /etc/mysq/my.cnf [Linux] and C:\ProgramData\MySQL\MySQL Se

 

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Mysql Error Illegal Mix Of Collations p dreaded illegal-mix-of-collations error The occasional query would result in Illegal mix of collations latin swedish ci IMPLICIT and utf general ci COERCIBLE for operation ' ' MySQL rsquo s default character set Mysql Illegal Mix Of Collations For Operation is latin with an adventurous Swedish collation which presumably seemed like a mysql illegal mix of collations utf unicode ci implicit and utf general ci implicit good idea at the time However Rails uses UTF- everywhere and from time to time the two collations Illegal Mix Of Collations latin swedish ci implicit And utf

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