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Error 1709 (hy000): Index Column Size Too Large. The Maximum Column Size Is 767 Bytes.

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Specified Key Was Too Long Max Key Length Is 1000 Bytes Mysql

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Innodb_large_prefix

Sign up mysql ERROR 1071 (Specified key was too long; max key length is 1000 bytes) in simple dump-import setting up vote 0 down vote favorite dump mysql db on server 1 $ mysql --version mysql Ver 14.14 Distrib 5.1.54, for debian-linux-gnu (x86_64) using readline 6.2 $ mysqldump -u root -p db > db.sql import on server 2 $ mysql --version mysql Ver mysql innodb increase max key length 14.12 Distrib 5.0.95, for unknown-linux-gnu (x86_64) using readline 5.1 $ mysql -u root -p db < db.sql ERROR 1071 (42000) at line 807: Specified key was too long; max key length is 1000 bytes I know there is a lot of questions and answers on this error but it still leaves me puzzled. Can it be a version problem? I suspect no. If I run it with --force option, it gets even wierder: ERROR 1071 (42000) at line 807: Specified key was too long; max key length is 1000 bytes ERROR 1146 (42S02) at line 847: Table 'db.users' doesn't exist ERROR 1146 (42S02) at line 848: Table 'db.users' doesn't exist ERROR 1146 (42S02) at line 849: Table 'db.users' doesn't exist ERROR 1146 (42S02) at line 850: Table 'db.users' doesn't exist what is going on? I mean apart from solving this, I would like to understand what settings affect a simple dump-import act and why can those settings not be explicit in my dump file and be set t import. I prefer not having to debug actual errors, this must be solveable on high level. U

here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the mysql max key length workings and policies of this site About Us Learn more about Stack mariadb innodb_large_prefix Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs innodb large prefix Documentation Tags Users Badges 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 http://stackoverflow.com/questions/10873870/mysql-error-1071-specified-key-was-too-long-max-key-length-is-1000-bytes-in-s them; it only takes a minute: Sign up #1071 - Specified key was too long; max key length is 767 bytes up vote 194 down vote favorite 43 When I executed the following command: ALTER TABLE `mytable` ADD UNIQUE ( `column1` , `column2` ); I got this error message: #1071 - Specified key was too long; max key length is http://stackoverflow.com/questions/1814532/1071-specified-key-was-too-long-max-key-length-is-767-bytes 767 bytes Information about column1 and column2: column1 varchar(20) utf8_general_ci column2 varchar(500) utf8_general_ci I think varchar(20) only requires 21 bytes while varchar(500) only requires 501 bytes. So the total bytes are 522, less than 767. So why did I get the error message? #1071 - Specified key was too long; max key length is 767 bytes mysql byte varchar mysql-error-1071 share|improve this question edited May 23 '11 at 21:32 OMG Ponies 198k36356415 asked Nov 29 '09 at 3:18 Steven 5,2643480112 Because its not 520 bytes, but rather, 2080 bytes, which far exceeds 767 bytes, you could do column1 varchar(20) and column2 varchar(170). if you want a character/byte equiv, use latin1 –Rahly Dec 18 '15 at 0:21 add a comment| 17 Answers 17 active oldest votes up vote 137 down vote accepted 767 bytes is the stated prefix limitation for InnoDB tables - its 1,000 bytes long for MyISAM tables. According to the response to this issue, you can get the key to apply by specifying a subset of the column rather than the e

log in tour help Tour Start here for a quick overview of the site Help Center Detailed http://dba.stackexchange.com/questions/130891/error-1071-42000-specified-key-was-too-long-max-key-length-is-767-bytes answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company https://www.drupal.org/node/2466287 Business Learn more about hiring developers or posting ads with us Database Administrators Questions Tags Users Badges Unanswered Ask Question _ Database Administrators Stack Exchange max key is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up max key length and rise to the top ERROR 1071 (42000): Specified key was too long; max key length is 767 bytes up vote 1 down vote favorite I have a databases with latin1 charachter set, I need to change tables character set to utf8, but I get error. the current character set is : mysql> show variables like "%character%"; +--------------------------+----------------------------+ | Variable_name | Value | +--------------------------+----------------------------+ | character_set_client | utf8 | | character_set_connection | utf8 | | character_set_database | latin1 | | character_set_filesystem | binary | | character_set_results | utf8 | | character_set_server | latin1 | | character_set_system | utf8 | | character_sets_dir | /usr/share/mysql/charsets/ | +--------------------------+----------------------------+ the table that I want to change the character set is : mysql> describe spool; +------------+---------------------+------+-----+-------------------+----------------+ | Field | Type | Null | Key | Default | Extra | +------------+---------------------+------+-----+-------------------+----------------+ | username | varchar(250) | NO | MUL | NULL | |

that make connections all over the world. Join today Download & Extend Drupal Core Distributions Modules Themes SpringboardIssues ERROR 1071 (42000) at line xxx: Specified key was too long; max key length is 1000 bytes ActiveProject:SpringboardComponent:CodePriority:NormalCategory:Bug reportAssigned:UnassignedReporter:glass.dimlyCreated:April 6, 2015 - 19:31Updated:April 6, 2015 - 19:33 Log in or register to update this issue Jump to:Most recent comment When loading a sql dump into my mySQL 5.4 server, I get. drush sqlc < /website.sql ERROR 1071 (42000) at line 108015: Specified key was too long; max key length is 1000 bytes Upon investigation, this is the email_wrapper table: DROP TABLE IF EXISTS `email_wrappers`; CREATE TABLE `email_wrappers` ( `mid` int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT 'mail id.', `module` varchar(255) NOT NULL COMMENT 'parent module', `delta` varchar(255) NOT NULL, `from_name` varchar(255) NOT NULL, `from_mail` varchar(255) NOT NULL, `recipients` text NOT NULL, `cc` text NOT NULL, `bcc` text NOT NULL, `subject` varchar(255) NOT NULL, `html_message` text COMMENT 'HTML version of the email message.', `html_message_format` varchar(50) NOT NULL COMMENT 'Input format', `text_message` text COMMENT 'Text version of the email message.', `extra` text COMMENT 'Extra settings defined by other modules.', PRIMARY KEY (`mid`), KEY `module_delta` (`module`,`delta`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='Stores data for donation_form nodes.'; LOCK TABLES `email_wrappers` WRITE; Apparently, this is about large prefixes for database table keys in INNODB: http://dev.mysql.com/doc/refman/5.6/en/innodb-parameters.html#sysvar_inn... Upgrading to mysql/mariadb 5.6 fixed this problem, and I also don't see this problem on my mysql 5.5 local install. Comments Comment #1 glass.

 

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database error while doing query p version roll out and QA raquo phpList maintainer needed raquo UI lite phpList plugins raquo phpList API raquo rssmanager phpList org My View View Issues Change Log RoadmapView Issue error specified key was too long max key length is bytes Details Jump to Notes Print IDProjectCategoryView StatusDate SubmittedLast Update phplistAll Otherpublic - - - - ReporterdanieleintPrioritynormalSeverityminorReproducibilityalwaysStatusresolvedResolutionfixedPlatform-OS-OS Version-Product Version Target Error hy Index Column Size Too Large The Maximum Column Size Is Bytes Version XFixed in Version Summary Unable to install with UTF- database using MySql DescriptionMysql limit the index lenght to bytes The Error

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error sqlstate er too long key p exceeded the limit of the maximum error specified key was too long max key length is bytes key length A key can not be longer than bytes error hy index column size too large the maximum column size is bytes bytes for InnoDB Please note that this limit is set in bytes not in characters So if you use a multi-byte Innodb large prefix character set you can get this error even if the sum of column lengths is less than because column length is defined in characters Below is an example of

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mysql error 1071 key too long

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mysql error 1071 specified key was too long

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Mysql Error p CI MySQL Sandbox MariaDB data chef Adtech Twitter GitHub RSS Using Innodb large prefix to Avoid ERROR If you've ever tried to add an index that includes a long varchar column to an InnoDB table in MySQL you may have seen this error Specified Key Was Too Long Max Key Length Is Bytes Mysql span class 'line' ERROR Specified key was too long max key length is specified key was too long max key length is bytes mysql bytes span The character limit depends on the character set you use For example if you use latin then

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