Mariadb error 1062. Details Type: Bug Status:Closed(View Workflow) Priority: Major Resolution: Not a Bug Affects Version/s:10. For example, the below replaces the unique index with an index permitting duplicates: Mar 27, 2024 · Discover effective methods to fix MySQL Error 1062, including insights into common causes and reasons why this error occurs. 14 upgrade fails with the following error; For some SELECT queries with a CONCAT in a sub-query on a table with a lot of data, I get the "ERROR 1062 (23000): Duplicate entry 'NULL' for key 'key0'" error. Yesterday we disabled the May 25, 2018 · MySQL error no 1062 can occur due to buggy web applications, corrupted dump files or replication issues. 2. r4144 on CentOS release 6. Is there any way to do this without losing data? Feb 24, 2025 · Discover effective solutions to fix MySQL Error Code 1062: Duplicate Entry and ensure smooth database operations with our comprehensive guide. 6 (Final) Oct 2, 2013 · Hi. 13. I'm trying to insert a huge list of users to a MySQL database but everytime I try I get the error: #1062 - Duplicate entry '' for key 2 It gives me this because the 2nd column is blank on quite a May 27, 2025 · Internal Server Errors Issues within the MariaDB server itself, such as resource exhaustion or internal inconsistencies. Read on to know the various ways in which the cause of this MySQL Replication Error (1062) Asked 14 years, 9 months ago Modified 5 years, 9 months ago Viewed 41k times MariaDB Server MDEV-27369 Renaming Spider table fails due to ERROR 1062 (23000): Duplicate entry '' for key 'PRIMARY' Export Oct 4, 2023 · MariaDB Server MDEV-28134 Error_code: handler error HA_ERR_FOUND_DUPP_KEY with Multi DC Galera Cluster | GTID Replication Oct 2, 2014 · Reinstalling the spider plugin after a MariaDB 10. 0. 1 Preliminary Note Using slave-skip By default, if you try to insert a duplicate row and there is a UNIQUE index, INSERT stops and an error like this is produced: Hello Benjamin Setzer, Upstream fix for , is available on MariaDB 10. 5. May 5, 2018 · MySQL Master version: 5. Solve the error by either not attempting to insert a duplicate value, or not requiring the key to be unique. 13 - - > 10. 16-1 MySQL Slave version: 5. Our db3 server is running MariaDB 10. SST is done without problems and wsrep_cluster_size for mysql1, mysql2 and mysql3 is 3. PRIMARY', Error_code: 1062" appears in MySQL or MariaDB logs Solution Verified - Updated September 28 2025 at 7:20 AM - English mysql mysql-workbench error-code mysql-error-1062 edited Jan 31, 2013 at 14:47 asked Jan 31, 2013 at 14:35 FrancescoN Nov 30, 2014 · I am trying to add a unique key to a column and am getting an self explanatory error of MariaDB [dnd]> ALTER TABLE ability -> ADD UNIQUE INDEX UK_ability Apr 8, 2025 · MySQLでデータのINSERTまたはUPDATEを行った際に「エラー1062: Duplicate entry 'X' for key 'Y'」が表示されることがある。これは、PRIMARY KEYやUNIQUE制約を持つカラムに対して、すでに存在する値を挿入しようとした場合に発生する。エラーの発生条件とその対処法を具体的に説明する。 Oct 30, 2015 · The fact of the matter is MariaDB/MySQL replication can be a complete nighmare and error 1062 often appears. 21-galera Fix Version/s: N/A Component/s: Galera Labels: galera Environment: 3 nodes 10. For example, the below replaces the unique index with an index permitting duplicates: Mar 2, 2024 · When we add a primary key to an existing table, we need to make sure that the column/s that we’re adding the primary key to contains unique values across all of its rows. Does it get silently dropped? Or is that ON DUPLICATE KEY UPDATE is a MariaDB/MySQL extension to the INSERT statement that, if it finds a duplicate unique or primary key, will instead perform an UPDATE. 10. One way to fix this issue is to create a composite primary key (one that’s defined across multiple columns). 3. 17 and it's configured as master in a master-slave replication to server mysql1 which is running MariaDB 10. Solve the error by either not attempting to insert a duplicate value, or not requiring the key to be unique. cnf but I need to know what happens to the row when the error happens. May 5, 2024 · Unfortunately, my second query failed with the following error: 1062 - Duplicate entry '0' for key 'PRIMARY' Can someone please point out the issue? I guess that the issue is the existing relation, but I don't want to lose the existing relation or data, that has several thousand rows. 18-1 The master's snapshot is created by: mysql> FLUSH TABLES WITH READ LOCK; shell> mysqldump --all-databases --master-data > dbna Aug 12, 2015 · Error: 1062, Duplicate entry '0' for key 'PRIMARY' Now I saw the question relating to this error has been asked before but I simply don't understand the answers. A common way to fix the problem is to do an entire reload. Data Integrity Violations Errors that occur when data violates constraints defined within the database, such as unique key Oct 15, 2022 · MariaDB Server MDEV-29800 ERROR 1062 (23000): Duplicate entry 'test-t-0' for key 'PRIMARY' on CoR for Spider table, DDL_LOG: Got error 1032 or 12524 when trying to execute action for entry 1/2/3/4/5/6/7 of type 'rename table' Export MySQL replication is nice, however it can happen that it stops because of an error, and restoring a working replication can be hard - you need to set locks on the master to get a consistent MySQL dump, and during that time websites are not accessible. 6 (Final). What is the exact error message? #1062 means duplicate entry violating a primary key constraint for a column -- which boils down to the point that you cannot have two of the same values in the column. Connection Errors Problems related to establishing or maintaining a connection to the MariaDB server, such as network issues or authentication failures. 17 onwards . I found out that I can set skip-errors=1062 in the my. However there's a way to make the MySQL slave ignore certain errors using the slave-skip-errors directive. "Duplicate entry 'X' for key 'YYYY. Servers mysql2 and mysql3 are running MariaDB 10. 21-MariaDB-wsrep-log MariaDB Server, wsrep_25. Mar 23, 2023 · The error 1062 (Duplicate entry) was reported when trying to insert tuple immediately after deleting all table tuples (The delete operation has been commited via mysql_query C API before insert): specify the MariaDB version you are using; paste the whole unabridged output of SHOW CREATE TABLE, the one in the description cannot be right, it's has syntax errors; attach complete configuration files, as the mix of quote marks in the description is strange; if possible, attach or at least paste the relevant fragment of the binary log. 13 and they are configured in a MariaDB Galera Cluster with mysql1. commit 7153e155424de4b42bc0f96ceb6433e4ed1f827a Author: Marko Mäkelä <marko Mar 28, 2018 · Mysql replication broken due to 'Duplicate entry' with error code 1062 on slave server Ask Question Asked 7 years, 6 months ago Modified 2 years, 8 months ago 3 nodes 10. khim8b lqcw 9a tap kc8p xv tho8 tge zbdh qyfsc