Mysql Sql Error 1267
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Mysql Illegal Mix Of Collations For Operation '='
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Mysql Illegal Mix Of Collations (utf8_unicode_ci Implicit) And (utf8_general_ci Implicit)
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Mysql Illegal Mix Of Collations For Operation 'concat'
Error up vote 42 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 the string somehow so this error wouldn't illegal mix of collations (latin1_swedish_ci implicit) and (utf8_general_ci coercible) 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 199k37360417 asked Jun 17 '09 at 16:49 Click Upvote 66.8k176451621 add a comment| 3 Answers 3 active oldest votes up vote 119 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 Sep 29 '14 at 7:45 1 I didn't have permissions to do the first statem
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the illegal mix of collations for operation 'like' company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions mysql cast collation Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million mysql illegal mix of collations for operation 'union' 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 this answer from a http://stackoverflow.com/questions/1008287/illegal-mix-of-collations-mysql-error 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 WHERE month='Aug' **AND username IN (SELECT username http://stackoverflow.com/questions/1241856/illegal-mix-of-collations-error-in-mysql 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 19k104266 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 9,4181269126 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 13.1k104262 Thanks, this saved my day! –rahimv Aug 15 at 8:46 add a comment| up vote 5 down vote I was
Duplicate Impact on me: None Category:Connector / J Severity:S3 (Non-critical) Version:3.1.1-alpha OS:Microsoft Windows (Windows XP) Assigned to: https://bugs.mysql.com/bug.php?id=3611 View Add Comment Files Developer Edit Submission View Progress Log Contributions [30 Apr 2004 14:24] Oleg Ivanov Description: After migrating from 3.0.9 driver to 3.1.1alpha some SELECTS could not be executed due to error: "Illegal mix of collations.." If it is a bug it must be solved, because jdbc driver are COMPLETELY broken. illegal mix If it is a "feature", it must be documented. It is not a good practice when switching a jdbc drivers goes application unusable. How to repeat: Simple query: rset = stmt.executeQuery("SELECT A, B, C FROM TABS WHERE EMAIL=LOWER('"+user+"')"); return an exception: General error message from server: "Illegal mix of collations (cp1251_bulgarian_ci,IMPLICIT) and (latin1_swedish_ci,COERCIBLE) for illegal mix of operation '='" The same error is reported in list http://lists.mysql.com/java/7373 [30 Apr 2004 15:23] Mark Matthews This is a duplicate of #2177. The error is caused by changes needed to support MySQL-4.1, which were made when the charsets functionality in MySQL-4.1 was still in flux. You will need to download the latest nightly snapshot of Connector/J 3.1 from http://downloads.mysql.com/snapshots.php to see the fix, or wait for the release of Connector/J 3.1.2. [12 Jul 2004 23:12] dq hu would you please tell me which build fix the problem, I have the similiar issue on 3.1.3-beta. [12 Jul 2004 23:24] Mark Matthews If you're still getting 'Illegal Mix of Collations' errors, it is most likely due to a mis-configuration or an issue with how you've defined the character sets for your database and/or tables. You will need to provide a repeatable testcase, with schema and your connection attributes to tell for sure. [22 Jul 2004 6:36] Hui Sun see http://dev.mysql.com/doc/mysql/en/Charset-server.html http://dev.mysql.com/doc/mysql/en/Charset-map.html