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Error 1267 Illegal Mix Of Collations

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General Error 1267 Illegal Mix Of Collations

vote 1 down vote favorite 3 Is there any way to compare the generated range column in the mysql query ? SELECT ue.bundle,ue.timestamp,b.id,bv.id as bundleVersionId,bv.start_date,bv.end_date, bv.type,ue.type from ( SELECT bundle,timestamp,tenant, case when Document_Id ='' then 'potrait' WHEN Document_Id<>'' then 'persisted' end as type from uds_expanded ) ue JOIN bundle b on b.name=ue.bundle join bundle_version bv on b.id=bv.bundle_id WHERE ue.tenant='02306' and ue.timestamp >= bv.start_date and ue.timestamp <=bv.end_date and **ue.type=bv.type mysql error 1267 illegal mix of collations ;** I am getting the following error when I try to compare the types Error Code: 1267. Illegal mix of collations (utf8_general_ci,COERCIBLE) and (latin1_swedish_ci,IMPLICIT) for operation '=' 0.000 sec mysql sql collation share|improve this question edited Aug 30 '14 at 1:19 Edper 5,87511024 asked Oct 28 '13 at 13:59 Sandeep Rao 55531225 add a comment| 4 Answers 4 active oldest votes up vote 5 down vote accepted Stick to one encoding/collation for your entire system. Right now you seem to be using UTF8 one place and latin1 in another place. Convert the latter to use UTF8 as well and you'll be good. You can change the collation to UTF8 using alter table convert to character set utf8 collate utf8_general_ci; share|improve this answer answered Oct 28 '13 at 14:02 kba 14.4k33668 add a comment| up vote 3 down vote I think sometimes the issue is we use different orm utilities to generate table and then we want to test queries either by mysql command line or MySql workbench, then this problem comes due to differences of table collation and the command line or app we use. simple way is to define your variables (ones used to test the query against table colum

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 error 1267 hy000 illegal mix of collations about Stack Overflow the company Business Learn more about hiring developers or posting error code 1267 illegal mix of collations ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack illegal mix of collations for operation 'union' Overflow is a 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 http://stackoverflow.com/questions/19636743/illegal-mix-of-collations-error-in-mysql-query 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 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(*)) http://stackoverflow.com/questions/1241856/illegal-mix-of-collations-error-in-mysql 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 '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

dreaded illegal-mix-of-collations error. The occasional query would result in Illegal mix of collations https://airbladesoftware.com/notes/fixing-mysql-illegal-mix-of-collations/ (latin1_swedish_ci,IMPLICIT) 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 https://www.sitepoint.com/community/t/illegal-mix-of-collations/9801 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 illegal mix already 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 illegal mix of again. Order 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 collat

operation 'UNION'' when running the following query from the books: SELECT * FROM ( SELECT customers.name AS customer , carts.id AS cart , items.name AS item , cartitems.qty , items.price , cartitems.qty * items.price AS total FROM customers INNER JOIN carts ON carts.customer_id = customers.id INNER JOIN cartitems ON cartitems.cart_id = carts.id INNER JOIN items ON items.id = cartitems.item_id UNION ALL SELECT customers.name AS customer , NULL AS cart , CAST(COUNT(items.name) AS CHAR) AS item , NULL AS qty , NULL AS price , SUM(cartitems.qty * items.price) AS total FROM customers INNER JOIN carts ON carts.customer_id = customers.id INNER JOIN cartitems ON cartitems.cart_id = carts.id INNER JOIN items ON items.id = cartitems.item_id GROUP BY customers.name ) AS dt ORDER BY customer , cart , item ; Could someone kindly tell me what this error means, and why im getting it? thanks! DaveMaxwell 2012-01-17 16:16:50 UTC #2 Not 100% sure how mySQL works with collations, but based on what I know from other RDBMS, the problem is the group by changes the collation and UNIONs require matching collations to put the two sets of records together. You can specify a [collation, and if you need a list of the valid choices, here you [URL="http://dev.mysql.com/doc/refman/5.0/en/charset-unicode-sets.html"]are, or if you want some opinions on the best choice to use, [URL="http://stackoverflow.com/questions/367711/what-is-the-best-collation-to-use-for-mysql-with-php"]this](http://dev.mysql.com/doc/refman/5.0/en/charset-collate.html) (non-SPF) thread is an interesting read. r937 2012-01-17 16:38:06 UTC #3 johnuk said: I am working through the sitepoint book Simply SQL, nearly finished the section of the book on SQL but I got this error 'Illegal mix of collations for operation 'UNION'' i have to admit, i never ran across any sort of collation problems when i was doing the testing for the book i simply created my tables without ever specifying any collations, so presumably i got the defaults if you do a SHOW CREATE TABLE for each of the tables, this might uncover something where an indiv

 

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