![]() Party ADD IgnoreThisDuplicate INT NULL GO - The *first* instance will be left NULL. The table I want the ability to perform that operation but when / if DUPLICATE ENTRY occur ( the same combination of type & value ) to continue with the transaction as like nothing happens but still to get the generated keys, and if DUPLICATE ENTRY occur retrieve the existing key. There are 3 possible kinds of duplicates: Duplicates within the rows of the bulk insert. I ask because Talend ETL does this behind the UI and I'm worried it will have side effects especially if I don't want to update and do something like this: INSERT INTO table (a,b,c) VALUES (1,2,3) ON DUPLICATE KEY UPDATE c=c+1 UPDATE table SET c=c+1 WHERE a=1 (The effects are not identical for an InnoDB table where a is an auto-increment column. The question is fairly simple: I'm inserting values into a table and I need to check for duplicates so my idea was to use an INSERT IGNORE or ON DUPLICATE KEY UPDATE. But I would suggest you to think of long term solution as well. Dependent rows with foreign keys may be deleted (if you use cascading foreign keys) or else prevent the REPLACE.That way, when you insert a duplicate pair, it will be ignored. sql I want to import the large database sed 's/^INSERT/INSERT IGNORE/' database_name. $: mysql -u root -p ***** #enter password mysql> source /path/to/queryFile.I tried also INSERT IGNORE … Aug 28, 2013 ![]() You can set the configuration variable innodb_autoinc_lock_mode to 0 (a. The 7 that were unique and 1 of the 3 duplicates. The alternative for me was What you want is INSERT IGNORE and that question already has been answered, see INSERT Mar 28, 2011 Let’s take a look at an example of using the INSERT ON DUPLICATE KEY UPDATE to understand how it works.I want to ignore duplicates (or update key on duplicates), but only on consecutive duplicates.Syntax CREATE TABLE top ( last_name CHAR(40) NOT NULL, first_name CHAR(40) NOT NULL, street CHAR(40) NOT NULL, PRIMARY KEY (last_name, … Jan 4, 2018 ![]() 3 and could still insert duplicates with multiple row insert statements like e. Say my initial table looks like this (uk and a are column names):uk a - x 1 Iteration 1 inserts 1 so I want this to be ignored in order to avoid duplicates. That's your immediate cause for the exception. co'), You could use the following statement to ignore duplicated keys but not others. * from table_name T1 inner join (select count (*) as c, id from table_name group by id) T2 on T1. For this moment I can save multiple times the same combination of product and customer what each time creates new id_relation. sql | mysql -u root -p database_name will do the trick just fine – Ilario. Especially when preventing them in the first place is as simple as using MySQL's INSERT IGNORE feature mentioned in other solutions. If any of the incoming … As the query says on duplicate KEY. ![]()
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