By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Many people have suggested to use slave-skip-error option etc.. but that will completely avoid the query. Was there any truth that the Columbia Shuttle Disaster had a contribution from wrong angle of entry? Can a pawn move 2 spaces if doing so would cause en passant mate? and restart mysql. Making statements based on opinion; back them up with references or personal experience. I got the error Unrecognized statement type. Even the MySQL Documentation on replicate-rewrite-db says: The database name translation is done before the --replicate-* rules are tested. Is it okay/safe to load a circuit breaker to 90% of its amperage rating? Copyright 2023 MariaDB. Thanks for your help! It is essentially used to ensure that each column entry assigned as the primary key is unique. Waveform at the output of a filter connected after a Half Wave Rectifier Circuit, Adjustment of wort volume when the wort is still hot. INSERT IGNORE: By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. If more than one unique index is matched, only the first is updated. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Is it okay/safe to load a circuit breaker to 90% of its amperage rating? To learn more, see our tips on writing great answers. 1236 "impossible position" in Replication, Error code 1215: Cannot add foreign key constraint, Install Mysql container with Docker-Compose. because of you write in your query, unique_id be NOT NULL and previous rows all of them are null and you want this column be unique, then after run this query, you have several rows with the same value it means this column is not unique, then you have to change unique_id NOT NULL to unique_id NULL in your query. 16 16:31 mysql-bin.029943 -rw-rw---- 1 mysql mysql 52283383 fvr. Connect and share knowledge within a single location that is structured and easy to search. Because this code runs every time that program starts, I can prevent errors occurs on creating database and creating tables by using IF NOT EXIXTS statement. CREATE TABLE `table_code` ( `id` int (11) NOT NULL AUTO_INCREMENT, `your_column` varchar (45) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=latin1; You can use INSERT IGNORE instead. To get rid of this you should really set the read_only = on on the slave servers. The auto increment is at 2888784. To learn more, see our tips on writing great answers. This is similar to the idea of a foreign key constraint check in InnoDB in which constraints must hold during a transaction. Are one time pads still used, perhaps for military or diplomatic purposes? How to get band structure of isolated Fe atom in Quantum ESPRESSO? I had the same problem but mine was because I was inserting the same test rows I had used before. if you have a trigger that inserts data to a different table (the "related" table) with the same restriction and same Keyname, MySQL will not include the name of the table throwing the error, only the Keyname. Dynamic Un-Pivot Table using Prepared Statement. The error message should tell you which of your columns is constrained, I'm guessing "shares". Recommend not having more than 50 partitions in a given table (for various reasons). Here's what I'm trying to do. Pros: Can insert and update columns that could have more recent data. To view the entries in the data, we make use of the following code. It only takes a minute to sign up. I was getting the same error (Duplicate entry '' for key 'unique_id') when trying to add a new column as unique "after" I had already created a table containing just names of museums. 1.Duplicate entry ' ' for key 'PRIMARY' 2.3. . master-slave MySQL replication with special characters in column name? Sometimes, it becomes necessary for organizations to get rid of this key to insert multiple similar values or null values. I am trying to insert a new combination of this primary key but my MySQL database just won't let me. Find centralized, trusted content and collaborate around the technologies you use most. Cut the release versions from file in linux, Different noise on every object that are in array. 1 : Skip all the Duplicate Key errors. You might be able to do so, but that requires replaying every single transaction since the original database was created. Perhaps you can check out this question and answer: [mysqld] Does Grignard reagent on reaction with PbCl2 give PbR4 and not PbR2? What might a pub name "the bull and last" likely be a reference to? In case anyone else finds this thread with my problem -- I was using an "integer" column type in MySQL. Duplicate entry 12 for key PRIMARY. Write queries should be directed to master. Asking for help, clarification, or responding to other answers. "Murder laws are governed by the states, [not the federal government]." It returns the column values from the INSERT portion of the statement. Sporadic crash of master-slave MySQL replication process. These answers doesn't really help. Once I had deleted the existing records, the insert worked. When citing a scientific article do I have to agree with the opinions expressed in the article? Thanks for contributing an answer to Database Administrators Stack Exchange! You may assigned a column as unique and trying to insert a new row with already existing value for that column will produce this error. The IGNORE keyword extension to MySQL seems to have a bug in the InnoDB version on some version of MySQL. For a list of System Administration Services, feel free to reference our public services list available here: System Administration Services https://www.digitalocean.com/community/tutorials/how-to-set-up-master-slave-replication-in-mysql. Then, run START SLAVE; all the duplicate-key errors will get bypassed. Why isnt it obvious that the grammars of natural languages cannot be context-free? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Master - Master replication Duplicate entry error, MySql replication from 5.1 master to 5.6 slave keep crashing, Duplicate key error for composite primary key when running update query without having duplicate, MYSQL cluster issue: shutdown data node correctly breaks replication, Number of students who study both Hindi and English. SQL will keep trying regardless, and the error will only show later in your program flow. To learn more, see our tips on writing great answers. What part of the hub is referenced when speaking of hub length? 2 : Download percona tools. Then increase open_files_limit and table_open_cache. And Depending on the data we may use IGNORE keyword with Alter command. Not the answer you're looking for? With thorough research, his articles offer descriptive and easy to understand solutions. You should just ask a new question after considering upvotes/accepting the answers provided. - user9517 Feb 17, 2015 at 6:50 Add a comment But if all your strings are shorter than 50, then (70) and (50) both work, and, @RickJames ok, some of my strings were bigger than 50 and got truncated causing the loss of uniqueness. Here as we can see, we have set the stu_id and stu_firstName as the primary key for our table student_details. I really need the primary key to be on both columns - on combination of number and name. mysql replication stop/start causes duplicate rows. I used utf8_bin which is case-sensitive (or utf8_general_cs should be appropriate one too). if there are some rows with their IDs doesn't equal to the MAX(ID) of GROUP BY unique_id - they are all duplications; on the contrary, suppose there is no duplication, all the ID with GROUP BY unique_id should equal to its own MAX(ID), because it's itself. Create MD5 within a pipe without changing the data stream. Save this value. After some time I found out that if you have NULL values in these field you receive these errors. No idea why MySQL got this wrong suddenly. I do not see that being the wrong query that I'm debugging. How hard would it have been for a small band to make and sell CDs in the early 90s? So I looked into it further and realized that when I try to insert values into the table, in which the name and shares values are the same, it will return the #1062 error. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. If IGNORE is specified, only the first row is used of rows with duplicates on a unique key, The other conflicting rows are deleted. Connect and share knowledge within a single location that is structured and easy to search. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Setup a mysql replication, but new data are not updated, MySQL master-slave replication not updating, How to install and start multiple MySQL instances on Windows 2012, overwrite values with mysql master-slave replication. MySQL Documentation on replicate-rewrite-db. you can use this to put primary key on both Fields number and name but when you use name same in two name field it show duplicate error so avoid to make name column as a primary key . If your strings are too long for the datatype, they will truncated. @horvoje - The OP, asked over a decade ago, had the exact same error message that I had. rev2023.6.8.43486. That is the complete query. This is the quick way to get the inconsistent slave database. When I checked the actual table, the previous records were still there. In case this helps anyone besides the OP, I had a similar problem using InnoDB. The query mentioned above would give the following output. Movie about a spacecraft that plays musical notes. Many-a-times, businesses, and organizations must assign certain columns as the primary key. These additional keys are called composite primary keys. open_files_limit comes from an OS setting. Many-a-times, businesses, and organizations must assign certain columns as the primary key. The tools you need are . Thanks for your help anyway. MySQL replication: 'Duplicated entry for PRIMARY key', 1 : Skip all the Duplicate Key errors If there is no existing key, the statement runs as a regular INSERT: A regular INSERT with a primary key value of 1 will fail, due to the existing key: However, we can use an INSERT ON DUPLICATE KEY UPDATE instead: Note that there are two rows reported as affected, but this refers only to the UPDATE. What are Baro-Aiding and Baro-VNAV systems? Making statements based on opinion; back them up with references or personal experience. MySQL duplicate entry error even though there is no duplicate entry, https://dev.mysql.com/doc/refman/5.6/en/innodb-online-ddl-limitations.html, How to keep your new tool from gathering dust, Chatting with Apple at WWDC: Macros in Swift and the new visionOS, We are graduating the updated button styling for vote arrows, Statement from SO: June 5, 2023 Moderator Action. i.e. Duplicate entry for key 'PRIMARY' in mysql, MySQL duplicate entry error even though there is no duplicate entry, Duplicate entry for key "PRIMARY" in MySQL, Duplicate entry X for key 'PRIMARY', but no duplicates found, MySQL Duplicate Entry Error on non-primary key, mysql Duplicate entry error for primary key with similar values, Creating and deleting fields in the attribute table using PyQGIS, Automate the boring stuff with python - Guess the number. To learn more, see our tips on writing great answers. Thanks. What's the point of certificates in SSL/TLS? The slave is replicating only one database from master (db -> db_backup) with the following options: Other people have wondered about this as well. In my case i got this error when i added a manual entry to use to enter data into some other table. Deriving the norm of four-velocity from the definition of a time-like interval, Returning std::vector from an immediate function. Is it possible to wire an occupancy sensor in this 1950s house with 3-way switches? slave-skip-errors=1062 By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Closed form for a look-alike fibonacci sequencue, Different noise on every object that are in array. This can be unsafe and is not recommended unless you are certain what you are doing. The table above shows that the fields stu_id and stu_firstName are considered primary keys. (taking a break) With the inclusion of those 4 error numbers, I think this page will have covered about 50% of the typical errors users get. I used IF NOT EXISTS for inserting into table, But there is some another error! Find centralized, trusted content and collaborate around the technologies you use most. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Refering to column values from the INSERT portion of the statement: Content reproduced on this site is the property of its respective owners, I was referencing a foreign key that did not exist. In this tutorial, Our goal is to explore the concept of multiple primary keys of a table in MySQL. Does that mean something? It is essentially used to ensure that each column . The DB I was importing had a conflict during the import due to the presence of a column both autoincrement and primary key. when you are trying to insert a new row, ignore the primary key How to get band structure of isolated Fe atom in Quantum ESPRESSO? I wanted to go back and add a unique code for each museum name, with the intention of inserting the code values one at a time. IF you are inserting multiple rows replace into could potentially overwrite data for existing rows that you don't really want to overwrite. If the new row which you are trying to insert doesn't duplicate an existing record, MySQL inserts it as usual. Get monthly updates about new articles, cheatsheets, and tricks. ` -rw-rw---- 1 mysql mysql 66390664 fvr. When Seconds_Behind_Master gets to 0, remove those lines and restart mysql. Resolve MySQL replication: Duplicate entry Pros: Can Insert or update specific columns that could have more recent data As of 5.6.8, open_files_limit is auto-sized based on max_connections, but it is OK to change it from the default. Or see if you didnt merged something in the phpMyAdmin. To allow more files, change ulimit or /etc/security/limits.conf or in sysctl.conf (kern.maxfiles & kern.maxfilesperproc) or something else (OS dependent). Thanks for contributing an answer to Stack Overflow! If the value exist in that activity table, check in slave server, whether the particular value (id=914166) is exist or not, if it exist in slave server, you can simply skip the query. Is Vivek Ramaswamy right? Backup data from that table, drop it and re-create. Duplicate entry 'PRIMARY', ERROR 1062 (23000): Duplicate entry for key 'PRIMARY', mysql Duplicate entry '1' for key 'PRIMARY', #1062 - Duplicate entry 0' for key 'PRIMARY', #1062 - Duplicate entry '0' for key 'PRIMARY', Error 1062 duplicate entry '0' for key 'primary', Waveform at the output of a filter connected after a Half Wave Rectifier Circuit. Why isnt it obvious that the grammars of natural languages cannot be context-free? Then, run START SLAVE; all the duplicate-key errors will get bypassed. This is my table: I'm getting this #1062 error when I try to insert into the table. Server Fault is a question and answer site for system and network administrators. Please do not edit your question to completely change it. Then, run START SLAVE; all the duplicate-key errors will get bypassed. Asking for help, clarification, or responding to other answers. Let me specify InnoDB and leave this around in case anyone using InnoDB runs into this problem. Does the policy change for AI-generated content affect users who (want to) SQLSTATE[23000]: Integrity constraint violation: Duplicate entry 'B' for key qr_codes_encoded_key_unique, liquibase.exception.DatabaseException: Duplicate entry, PHP PDO #1062 - Duplicate entry for key 'fkss', MySQL duplicate entry error even though there is no duplicate entry, Adding Composite Unique key and Duplicate Entry error, Unique constraint to database table gets error: "ERROR 1062 (23000): Duplicate entry for key", Error when inserting record into mysql table. The best answers are voted up and rise to the top, Not the answer you're looking for? Don't know for sure, but could your database have formed a relationship between, Most likely you primary key is composed by the columns. The IGNORE and DELAYED options are ignored when you use ON DUPLICATE KEY UPDATE. We will certainly get an error if we push or insert Null values in this column. How is Canadian capital gains tax calculated when I trade exclusively in USD? Your code and schema are OK. You probably trying on previous version of table. Is it because of one of my columns that could be unique, or is it just something with mysql? JOINS: Join 3 table with the same name of id. Only half a day of frustration lost to this one Had this error, when adding a composite primary key that is ADD PRIMARY KEY (column1, column2, ) The value of all the columns in that row must not be duplicated. Yeah that's actually the reason I'm creating the 'unique' value on the index. If you reduce the key size by 1 they both become "my_key_" breaking the uniqueness of the key. Can this equation have four integer solutions? I hope it will help you as a starting point for debugging the error. For me a noop on table has been enough (was already InnoDB): tl;dr: my view showed my table was empty but the view excluded existing rows. You are probably asking how did the data get there ? Which kind of celestial body killed dinosaurs? Use SHOW CREATE TABLE your-table-name to see what column is your primary key. Also, I could not find a good answer as to why this actully occurs and what the number "914166" indicates ? When you do that it leaves answers like the one provided by @HBruijn out in the cold. Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. flag19 == user1763581 ?? The issue is likely caused by a timing / race condition in your application and you should look there for a solution. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Well thanks, I see that it works there but I just can't get it to work in my database :(. Recover and reset the default root password for MySQL 5.7+, Stored routines (procedures and functions). Mathematica is unable to solve using methods available to solve. Unfortunately the replication stops on the slave all the time with: If I drop all the dbs then how can I tell the Mysql slave server to create them automatically? It clearly shows values from both 'number' and 'name' columns as primary key and claims they are duplicate even though they are not. rev2023.6.8.43486. Connect and share knowledge within a single location that is structured and easy to search. How to keep your new tool from gathering dust, Chatting with Apple at WWDC: Macros in Swift and the new visionOS, We are graduating the updated button styling for vote arrows, Statement from SO: June 5, 2023 Moderator Action, MySQL Replication Duplicate Entry for Primary Key, Getting duplicate record errors like "Duplicate Entry for key 'PRIMARY', error code 1062" when importing a full backup into slave, MySQL master/slave replication structure not being replicated, replicate-wild-ignore-table does not stop already logged queries on slave, Strange MySQL replication error 1146 (Table doesn't exist), MySQL Replication Issues: Duplicate (Primary) Key Error and Problems Reading Relay Log with MYSQLDUMP, MySQL replication without baseline data import, Sync MySql Replication from Master2 to Master1 after failover. Please avoid setting slave-skip-errors at all costs. Switching to "bigint" fixed the problem. If you are getting empty result set for the above 2 queries, you can be sure that, the query is incomplete, or you are debugging wrong query. Here is a screenshot of how I'm setting it up in phpMyAdmin: Here is the MySQL query that's generate by phpMyAdmin: I've had this problem in the past and never resolved it so I just rebuilt the table from scratch. Expected number of correct answers to exam if I guess at each question. Duplicate entry '12' for key 'PRIMARY' The primary key column is unique and it will not accept the duplicate entry. When Seconds_Behind_Master gets to 0, remove those lines and restart mysql. For example, if column a is declared as UNIQUE and contains the value 1, the following two statements have similar effect: Only one primary key and nothing else. Besides the fact that doing so is quite inefficient, it also requires that the transaction log was already setup from the moment the to be replicated database was created and never truncated, which in my experience is rarely the case. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Does it make sense to study linguistics in order to research written communication? Check in master server, whether the mentioned primary key (id) column belongs to activity table or not and check the value (id=914166) exists in that column. The replicate-wild-do-table is enforced after the rewrite. You could always, convert to MyISAM, IGNORE-ADD the index and then convert back to InnoDB. Or 'delete' the question entirely. Since your adding a unique column to a table already populated with data, it will throw this error as it will try and duplicate the value ' ' in each rows. Is that mentioned query is complete statement? Why isnt it obvious that the grammars of natural languages cannot be context-free? well in my phpmyadmin I cannot click on the primary key for both name and shares. I didn't try the thing with adding UNIQUE, it worked with just re-creating and re-filling the table. How to properly center equation labels in itemize environment? As per your code your "number" and "Name" are primarykey and you are inserting S.NAME in both row so it will make a conflict. Are one time pads still used, perhaps for military or diplomatic purposes? Incorrect values are truncated to the closest matching acceptable value. To overcome this error, use INSERT IGNORE instead of normal INSERT. Step 2: Change ******* to max id of your mysql table id. How is Canadian capital gains tax calculated when I trade exclusively in USD? Is it possible for every app to have a different IP address. Therefore, with the help of the queries above, we can efficiently set multiple primary keys to a table in MySQL. In our case, we would need to write the following query to understand the details of the table student_details_table. Connecting with UTF-8 Using Various Programming language. Where two rows match the unique keys match, only the first is updated. Here we create a table, student_details_table, along with a few rows. I think you are doing second query (insert) twice. In this tutorial, Our goal is to explore the concept of multiple primary keys of a table in MySQL. It seems the given query is not a insert query but it is a update statement and it is not updating primary key of the activity table. Correct. Basically 'mysqldump' was running almost whole night and then the restore process took a couple of hours so when I've started the slave it was ~63874 seconds behind master. You will need to resolve the duplicate data first then add the index. We can only read from slave. This statement would help us fetch the tables intricate details like the data type associated with each column, different columns and their names, the keys associated with each column, and any extra information relevant to the table. So when I googled it, 5 years ago, I found this SO question and shared my fix should any one else encounter the exact same error. Note, if you have Foreign Key constraints this will not work, you will have to remove those first, and add them back later. My table just has single column ID (passwords for admin Log-in). All rights reserved. If you do use this option rather than investigating your application you should run pt-table-checksum frequently. I've got an error on MySQL while trying to add a UNIQUE KEY. Does staying indoors protect you from wildfire smoke? Bobcares answers all questions no matter the size, as part of our MySQL support Let us take a look at how to resolve and skip MySQL duplicate entries in detail. This query will also show you the problem. So when you are trying to insert a new row which is already present in you table will produce this error. What bread dough is quick to prepare and requires no kneading or much skill? In my case the error was very misleading. MySQL "Duplicate entry" Errors on the Slave break replication all the time, How to keep your new tool from gathering dust, Chatting with Apple at WWDC: Macros in Swift and the new visionOS, We are graduating the updated button styling for vote arrows, Statement from SO: June 5, 2023 Moderator Action, Stack Overflow Inc. changes policy regarding enforcement of AI-Generated posts. Then clearly "(50)" was an error. If you are using frequent switchovers, some of your clients may still write changes to slave. Would easy tissue grafts and organ cloning cure aging? To summarize and point out where I think is the problem (even though there shouldn't be): 1062 Duplicate entry but there are no duplicates? Does staying indoors protect you from wildfire smoke? Why isnt it obvious that the grammars of natural languages cannot be context-free? For me, what was really going on was a foreign key constraint failure. Cons: A little harder to write the query for. this also works for adding unique key with 2 or more columns. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Finding the area of the region of a square consisting of all points closer to the center than the boundary. you can put it not null. Does the word "man" mean "a male friend"? What bread dough is quick to prepare and requires no kneading or much skill? It only takes a minute to sign up. Does Grignard reagent on reaction with PbCl2 give PbR4 and not PbR2? I did run a check for other duplicate values, though, using, NULL values were the reason for my case too, works after adding. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Not the answer you're looking for? Look back at the question. At what level of carbon fiber damage should you have it checked at your LBS? Deriving the norm of four-velocity from the definition of a time-like interval. What part of the hub is referenced when speaking of hub length? Does the ratio of 14C in the atmosphere show that global warming is not due to fossil fuels? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. This will throw an error #1062 - Duplicate entry 'collin-UK-5' for key 'PRIMARY' because the columns combined have duplicate. rev2023.6.8.43486. Duplicate entry A for key code. The row I was attempting to insert had a primary key with a value larger than allowed by integer. Thanks for contributing an answer to Stack Overflow! Am I missing something or is this a bug of MySQL or MyISAM? My solution was to add the new column without making it unique; then entered the data for each code one row at a time; and then changing the column structure to make it unique for future entries. #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. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Adjustment of wort volume when the wort is still hot. Does the policy change for AI-generated content affect users who (want to) MySQL - Duplicate entry for key "PRIMARY", #1062 - duplicate entry '' for key 'primary', #1062 - Duplicate entry 'actUpdateInterval' for key 'PRIMARY' when exporting live Wordpress mySQL DB and importing to Localhost machine, ERROR 1062 (23000): Duplicate entry '2147483647' for key 'PRIMARY', ERROR 1062 (23000): Duplicate entry '' for key 'PRIMARY', Error Code: 1062. Use these to find the differences in the Slave, and then correct them. I had a similar issue, but in my case it turned out that I used case insensitive collation - utf8_general_ci. It only takes a minute to sign up. 16 17:18 mysql-bin.029944 ` Like right now it is at 29943 the time of db dump but in couple of hrs it will be over it and I have to do the whole dbdump, try to resync again. The number indicates the row of the table where you are trying to insert data. As looking on your error #1062 - Duplicate entry '2-S. Name' for key 'PRIMARY' it is saying that you use primary key in your number field that's why it is showing duplicate Error on Number Field. You are trying to create a unique index on a field with duplicates. (near "ENGINE" at position 0). How to fix MySQL replication when duplicated key problem appears? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Multiple Primary Keys in MySQL. Is it normal for spokes to poke through the rim this much? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Let's say the dump has two keys: "my_key_0" and "my_key_1". For example, If i inserted: It would return an error. My table looks like this: And MySQL just won't insert it while telling me this: I really don't understand it. You wrote "it is saying that you use primary key in your number field" - but that's not the case. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Prevent non-replication writes to MySQL slave? The primary key was fine, and inserting the foreign key first fixed the problem. You should look into doing parallel table dumps : Asking for help, clarification, or responding to other answers. There was no change in anything, but after I ran the insert query on the new table, it worked. Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. How should I designate a break in a sentence to display a code segment? If the record is a duplicate, the IGNORE keyword discard it without generating any error. The primary key is on the first two columns (both of them), so the row I am trying to insert HAS a unique primary key, doesn't it? REPLACE INTO can all work without erroring. But they are not anywhere combined, so I believe this is supposed to work and I am very confused to see that it doesn't. rev2023.6.8.43486. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. In other words, the error was completely off. Is it common practice to accept an applied mathematics manuscript based on only one positive report? Before we begin, we create a dummy dataset to work with. When Seconds_Behind_Master gets >to 0, remove those lines and restart mysql. It is not recommended to use this statement on tables with more than one unique index. Capturing number of varying length at the beginning of each line with sed, More energy dense alternative for glucose for vampires, Stopping Milkdromeda, for Aesthetic Reasons. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. here you cant access the data using the primarykey 'name'. It's not the 914166th row, it is the row with 914166 as the value for the primary key. I try this for Mysql 8.0 and while the slave no longer shows errors, the seconds behind master value keeps, MySQL Replication Duplicate Entry for Primary Key, MySQL replication: 'Duplicated entry for PRIMARY key', How to keep your new tool from gathering dust, Chatting with Apple at WWDC: Macros in Swift and the new visionOS, We are graduating the updated button styling for vote arrows, Statement from SO: June 5, 2023 Moderator Action, MySQL Replication Issues: Duplicate (Primary) Key Error and Problems Reading Relay Log with MYSQLDUMP. Making statements based on opinion; back them up with references or personal experience. The VALUES() function can only be used in a ON DUPLICATE KEY UPDATE clause and has no meaning in any other context. Why did Jenny do this thing in this scene? (When "Native Partitions" become available, this advice may change.). If the table has an AUTO_INCREMENT primary key and the statement inserts or updates a row, the LAST_INSERT_ID() function returns its AUTO_INCREMENT value. How fast does this planet have to rotate to have gravity thrice as strong at the poles? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Has any head of state/government or other politician in office performed their duties while legally imprisoned, arrested or paroled/on probation? Does the policy change for AI-generated content affect users who (want to) #1062 - Duplicate entry for key 'PRIMARY', Duplicate entry for key 'PRIMARY' in mysql, #1062 - duplicate entry '' for key 'primary', Error Code: 1062. So if you see this format of error just check and ensure that the columns you want to add a composite primary key to combined don't have duplicates. Let us understand how this key works and assign multiple columns to the primary key. You are trying to insert/update 914166 to a table activity as a primary key, but the value 914166 already exists in that table activity. Where did you read that he's using Java and Spring? The best answers are voted up and rise to the top, Not the answer you're looking for? So if you see this format of error just check and ensure that the columns you want to add a composite primary key to combined don't have duplicates. and this content is not reviewed in advance by MariaDB. Table has primary key on two columns. Has any head of state/government or other politician in office performed their duties while legally imprisoned, arrested or paroled/on probation? Thanks so much, that gets me pointed in the right direction! Indiscriminate use of this option results in slaves becoming hopelessly out of synchrony with the master, with you having no idea why this has occurred. To learn more, see our tips on writing great answers. Create MD5 within a pipe without changing the data stream. Is replication from MySQL 5.5 master to a 5.1 slave possible? Can a pawn move 2 spaces if doing so would cause en passant mate? I would do a mysqlbinlog dump of all the relay logs since the start of the mysqldump to see all INSERTs that the Slave will process and see if those rows already exist on the Slave. Why isnt it obvious that the grammars of natural languages cannot be context-free? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Simply add this to my.cnf on the Slave. One or both of the aspects may have contributed to letting a row slip in during the mysqldump that should not have existed due to either the rewrite rules or the isolation of the mysqldump being overridden. Different noise on every object that are in array, Number of students who study both Hindi and English. Then, run START SLAVE; all the duplicate-key errors will get bypassed. Your table even has no UNIQUE, so that error is impossible on that table. Changing id to an auto_increment field. You need to remove shares as your PRIMARY KEY OR UNIQUE_KEY. The best answers are voted up and rise to the top, Not the answer you're looking for? ), How to keep your new tool from gathering dust, Chatting with Apple at WWDC: Macros in Swift and the new visionOS, We are graduating the updated button styling for vote arrows, Statement from SO: June 5, 2023 Moderator Action. some how we have to set the value AUTO_INCREMENT to max id using mysql command. Not the answer you're looking for? How hard would it have been for a small band to make and sell CDs in the early 90s? Why is it 'A long history' when 'history' is uncountable? See Partition Pruning and Selection for details on the PARTITION clause. To learn more, see our tips on writing great answers. What proportion of parenting time makes someone a "primary parent"? In my case the error was caused by the outdated schema, one column was originally varchar(50) but the dump I was trying to import was created from a modified version of the schema that has varchar(70) for that column (and some of the entries of that field where using more than 50 chars). Thanks for contributing an answer to Stack Overflow! I've had this happen once and it was quite difficult to identify. Learn more about Stack Overflow the company, and our products. This statement activates INSERT and UPDATE triggers. There is no id with 91466. When I checked to see if my table was empty, I used a view that excluded different tenants so the search came back empty. The solution is to change the collation of a table, e.g. For example, suppose a product-based company needs to limit customer orders and the number of products associated with the customer every day. 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. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. You cannot continue with that query, since primary key column is a unique column, it does not accept duplicate values. This would ensure that the values in this column cannot be duplicated or NULL. I am trying to insert a row with a new combination of values in these two columns, but value in column one is already in some row and value in column two is already in another row. Thanks for the memory! You do ADD PRIMARY KEY (name, country, number), This will throw an error #1062 - Duplicate entry 'collin-UK-5' for key 'PRIMARY' because the columns combined have duplicate. The primary key column is unique and it will not accept the duplicate entry. You can find more information on that from MySQL Performance Blog's Best kept MySQLDump Secret. What's the point of certificates in SSL/TLS? I'm getting this error: When I try to add a UNIQUE key. Does Grignard reagent on reaction with PbCl2 give PbR4 and not PbR2? Although the third row with an id of 3 has an id2 of 13, which also matched, it was not updated. Oh ok, I get it now. Connect and share knowledge within a single location that is structured and easy to search. The problem stems from the order replication rules are processed. Asking for help, clarification, or responding to other answers. I had this error from mySQL using DataNucleus and a database created with UTF8 - the error was being caused by this annotation for a primary key: dropping the table and regenerating it with this fixed it. Does the word "man" mean "a male friend"? There can be no blank, null or duplicate values, or this misleading error will appear. Cut the release versions from file in linux. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Since the example did not have a long string, we floundered on the question. But if i changed the shares number to 6, it would run fine. If God is perfect, do we live in the best of all possible worlds? Can a MySQL slave be a master at the same time? If a table is subject to any ALTER TABLE commands, such as a DROP TABLE and CREATE TABLE, that can break the integrity of the transaction the mysqldump was trying to do the dump in. How can I optimize a mysqldump of a large database? The IGNORE keyword extension to MySQL seems to have a bug in the InnoDB version on some version of MySQL. Capturing number of varying length at the beginning of each line with sed. -- create the table student_details_table, -- insert rows to the table student_details_table. What are Baro-Aiding and Baro-VNAV systems? Cutting wood with angle grinder at low RPM. If that does not resolve the issue, a database administrator would need to review the SQL file to remove or correct duplicate entries. This primary key has multiple purposes and reasons to beset its setup. rev2023.6.8.43486. Maybe you tried to run that CREATE TABLE IF NOT EXIST. You should just ask a new question after considering upvotes/accepting the answers provided. How many points should we remove so that there are no n points lying on a line? If IGNORE is specified, only the first row is used of rows with duplicates on a unique key, The other conflicting rows are deleted. Incorrect values are truncated to the closest matching acceptable value. Is Vivek Ramaswamy right? Cons: Overwrites every column even though only some columns may have newer data. i have just tried, and if you have data and table recreation wouldnt work, just alter table to InnoDB and try again, it would fix the problem. INSERT 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. This will show you where there are values that have duplicates. Less common cases, but keep in mind that according to DOC https://dev.mysql.com/doc/refman/5.6/en/innodb-online-ddl-limitations.html. Truncating a table (which is DDL in the MySQL Universe) and dropping and adding indexes can also be as disruptive. In my case, I had a decimal field and it told me I had a duplicate value, but it wasn't. Apologies, I overlooked that. Depending on your needs, some may be a better use than others. expressed by this content do not necessarily represent those of MariaDB or any other party. Which kind of celestial body killed dinosaurs? Which kind of celestial body killed dinosaurs? im a beginner and i think it might be the error. It would not be surprising if this ordering somehow imposed an INSERT into a table that has data already. Cons: if data that is being inserted is newer the older data will be preserved, INSERT ON DUPLICATE KEY UPDATE Duplicate entry 'PRIMARY', mysql Duplicate entry '1' for key 'PRIMARY', ERROR 1062 (23000): Duplicate entry though entries are not duplicate, #1062 - Duplicate entry 0' for key 'PRIMARY', Automate the boring stuff with python - Guess the number. Another reason you may be getting this error is because the same restriction exists in another related table, and they Keyname on the related table has the exact same name. SQLSTATE[23000]: Integrity constraint violation: MySqlDuplicate entry 10 for key PRIMARY. Make unique_id NULL from NOT NULL and it will solve your problem, and this is what you should remove from the table before you succesfully add the unique key. Can someone please explain ? REPLACE INTO That answer was correct for the original question. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. PK should be unique. Since adminLogin table should be initial first time, When user re-run the program, the Duplicate entry for primary key error occurs. The slave server is read only (read_only) and there was no any writes during re-sync process so I don't understand why there are duplicated keys. But I already solved it, my table was probably somehow corrupt. For example, you are trying to insert some values to 914166th row. When the DML operations are applied, it is possible to encounter a duplicate key entry error (ERROR 1062 (23000): Duplicate entry), even if the duplicate entry is only temporary and would be reverted by a later entry in the online log. Is it okay/safe to load a circuit breaker to 90% of its amperage rating? rev2023.6.8.43486. See Trigger Overview for details. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. 1 Please do not edit your question to completely change it. What bread dough is quick to prepare and requires no kneading or much skill? This function is particularly useful for multi-rows inserts. Can two electrons (with different quantum numbers) exist at the same place in space? I am using MySQL 5.1.56, MyISAM. Thanks for contributing an answer to Stack Overflow! You may run SQL like this to see current table structure: I know this wasn't the problem in this case, but I had a similar issue of "Duplicate Entry" when creating a composite primary key: And the output showed just 1 row, no duplicate! Note that a primary key cannot possess Null values in its column. During the import some keys were truncated and the truncated version was not unique anymore. You cannot have duplicate values in a primary key field. Asking for help, clarification, or responding to other answers. I didn't know exactly what the error meant (I was overthinking it). 4 Answers. Connect and share knowledge within a single location that is structured and easy to search. Is it common practice to accept an applied mathematics manuscript based on only one positive report? Connect and share knowledge within a single location that is structured and easy to search. You are trying to insert same value. That because other field values were empty, so, When I make it NULL it can be added successfully without showing the error message. What's the point of certificates in SSL/TLS? PARTITIONed table(s) with a large number of partitions and innodb_file_per_table = ON. Perhaps you can check out this question and answer: MySQL replication: 'Duplicated entry for PRIMARY key' 1 : Skip all the Duplicate Key errors Simply add this to my.cnf on the Slave [mysqld] slave-skip-errors=1062 skip-slave-start and restart mysql. , what was really going on was a foreign key first fixed the problem from. Find the differences in the article so much, that gets me pointed the. Exam if I changed the shares number to 6, it was not updated hold... - but that will completely avoid the query gains tax calculated when I trade exclusively in USD out the. There are values that have duplicates used case insensitive collation - utf8_general_ci MySQL replication with special characters in name! By @ HBruijn out in the InnoDB version on some version of MySQL or MyISAM of! Values, or responding to other answers queries above, we have set the =... Properly center equation labels in itemize environment this key to insert multiple similar or... The hub is referenced when speaking of hub length key size by 1 they become. See what column is your primary key MySQL 5.7+, Stored routines ( procedures and functions ) Stack... Find the differences in the atmosphere show that global warming is not recommended you... Any truth that the grammars of natural languages can not click on the slave servers with. A question and answer site for system and network Administrators with just re-creating and re-filling the table shows. Getting this # 1062 error when I try to insert a new question after considering upvotes/accepting the answers.. Quick way to get rid of this primary key my MySQL database mysql duplicate entry for key primary ignore wo n't let.! Where there are values that have duplicates grammars of natural languages can not add foreign key constraint.! To view the entries in the data, we can see, we floundered on the Partition.. The queries above, we have set the read_only = on hub is referenced when speaking of length! Shares as your primary key more about Stack Overflow the company, and.! Male friend '' object that are in array IGNORE keyword discard it without generating error. This is similar to the center than the boundary value, but in! Try the thing with adding unique, or responding to other answers it common practice to accept an mathematics. Columns as the primary key but my MySQL database just wo n't let me specify InnoDB and this! Quantum ESPRESSO be able to do so, but that requires replaying every single transaction the. Content and collaborate around the technologies you use on duplicate key UPDATE your... To enter data into some other table use primary key can not be context-free hub is referenced when of... And assign multiple columns to the center than the boundary if I inserted: it would run.... Innodb in which constraints must hold during a transaction, Stored routines ( procedures and )! Type in MySQL our tips on writing great answers id2 of 13, which matched... The issue, but after I ran the insert query on the slave, and tricks version on some of! Convert to MyISAM, IGNORE-ADD the index research written communication do not edit your to! Do n't understand it, we have to set the value AUTO_INCREMENT to max id MySQL! Columbia Shuttle Disaster had a duplicate value, but that 's not the case are ignored when you on. And English a square consisting of all possible worlds on your needs, some your. Efficiently set multiple primary keys of a time-like interval, Returning std: from! To resolve the issue is likely caused by a timing / race condition in program... What column is a unique key is to mysql duplicate entry for key primary ignore the concept of multiple primary keys of a time-like interval company... And re-create which is already present in you table will produce this error use... Through the rim this much 2: change * * * * * * * to max id using command. This 1950s house with 3-way switches of its amperage rating you might the. To 914166th row EXISTS for inserting into table, e.g have it checked at your LBS violation: MySqlDuplicate 10! Was not unique anymore to insert does n't duplicate an existing record MySQL. Table your-table-name to see what column is unique the answer you 're looking for besides OP!, and inserting the same name of id it and re-create with thorough,. Has no unique, or this misleading error will appear advance by.. Is some another error mathematica is unable to solve using methods available to solve using methods available to.... Above, we can efficiently set multiple primary keys of a time-like interval used. The presence of a square consisting of all points closer to the top, the... 50 ) '' was an error on MySQL while trying to insert multiple similar values or null in! Been for a solution sql file to remove or correct duplicate entries import some keys were truncated and the will! Are inserting multiple rows replace into that answer was correct for the datatype, they will truncated,... Has an id2 of 13, which also matched, only mysql duplicate entry for key primary ignore is! Definition of a foreign key constraint check in InnoDB in which constraints must during... Essentially used to ensure that each column the hub is referenced when speaking of hub?... And restart MySQL this helps anyone besides the OP, asked over a decade,! Before the -- replicate- * rules are processed OS dependent ) avoid the for. Orders and the number indicates the row with 914166 as the primary with. Tables with more than 50 partitions in a on duplicate key UPDATE clause has... Error was completely off insert query on the Partition clause region of a square consisting of points! 2 spaces if doing so would cause en passant mate a MySQL slave be a master the! I inserted: it would run fine column can not be duplicated or null we see... Existing record, MySQL inserts it as usual reference to some values 914166th... 16 16:31 mysql-bin.029943 -rw-rw -- -- 1 MySQL MySQL 52283383 fvr too long for the datatype, will. You are probably asking how did the data, we floundered on the data stream this content is not to... Should just ask a new combination of number and name likely caused by a timing / race condition your... Harder to write the following output a transaction error was completely off and has no meaning in any other.. `` my_key_ '' breaking the uniqueness of the hub is referenced when speaking of length! Details of the queries above, we create a unique column, it was difficult! Avoid the query was created set multiple primary keys of a foreign key check! Need the primary key my_key_ '' breaking the uniqueness of the region of a table has. Recommended unless you are using frequent switchovers, some of your clients may write... Spaces if doing so would cause en passant mate see our tips on writing great answers there... An answer to database Administrators Stack Exchange Inc ; user contributions licensed under CC BY-SA constraint violation: MySqlDuplicate 10! Optimize a MySQLDump of a time-like interval, Returning std::vector from an function... Possible worlds InnoDB version on some version of MySQL, student_details_table, along with a value larger allowed... Partitions '' become available, this advice may change. ) n't it. Who study both Hindi and English the region of a large number of associated! Url into your RSS reader atmosphere show that global warming is not to. Is some another error possess null values before the -- replicate- * are. Primary parent '' with 2 or more columns because I was importing had a similar,... Our tips on writing great answers okay/safe to load a circuit breaker to 90 % its! Since the example did not have duplicate values, or responding to other answers it re-create. Since adminLogin table should be initial first time, when user re-run the program, the duplicate data first add... Or any other party error will only show later in your number ''. Error, use insert IGNORE instead of normal insert cloning cure aging id2 13! Level of carbon fiber damage should you have it checked at your LBS partitions and innodb_file_per_table =.! Or something else ( OS dependent ) prepare and requires no kneading or much skill application and you should into... Initial first time, when user re-run the program, the IGNORE keyword it. I did n't try the thing with adding unique key one too ) query I! 13, which also matched, only the first is updated much skill consisting of all closer. Into could potentially overwrite data for existing rows that you do n't understand it it told me I had the... Error was completely off keyword with Alter command of normal insert not the federal government ]. as at! Just has single column id ( passwords for admin Log-in ), see our tips writing... That does not accept duplicate values another error row which you are doing add a unique key n't it... Worked with just re-creating and re-filling the table student_details_table then convert back to InnoDB of this you just. To a 5.1 slave possible same name of id match the unique match! Shows that the values in a primary key I inserted: it would not be surprising if this somehow. Errors will get bypassed kern.maxfiles & kern.maxfilesperproc ) or something else ( OS dependent.!: and MySQL just wo n't insert it while telling me this: MySQL... Are in array values in this column can not be duplicated or.!