What you said: Is there a way I can just tell it to replace the whole offending row with the current values tossing out the old stuff entirely? Aug 7, 2018 · I was thinking, for every insert, there is a duplicate key update that would specify what the record would be if it is a duplicate. Preface and Legal Notices. : INSERT INTO t(a,b) VALUES (1, 2) ON DUPLICATE KEY UPDATE a = VALUES (b) + 1; May 21, 2014 · Here I have this mysql datatable: So I want update when I have duplicate of ID_polja and datum so when Id_polja and datum are the same if not then just add new row Apr 13, 2019 · Personally, I would maintain access rights in the application layer and only execute the INSERT query if the user had those access rights. value END; See the demo. b; INSERT INTO t1 SET a=1,b=2,c=3 AS new(m,n,p) ON DUPLICATE KEY UPDATE c = m+n; With the IGNORE modifier, the update statement does not abort even if errors occur during the update. Rows for which duplicate-key conflicts occur on a unique key value are not updated. d = VALUES(t. And my question is an amalgamation of the two. On duplicate key update multiple values MYSQL. If I run the following code, everything works What if I need to add some value if the key already exists. old ); or something similar. Jun 5, 2020 · 概要. baz This is okay for single insert queries but I don’t know how to scale it for multiple inserts I'm doing an INSERT ON DUPLICATE KEY UPDATE for a PRIMARY KEY in the following table:. So for example if swapping row 2 and 3 from example above: Aug 21, 2012 · on duplicate key update a = values(a), b = values (b), c = values(c) Basically, in the UPDATE part, VALUES(column) will return the specified value for that column for the current row in question. The new method to do this as explained in MySQL docs: INSERT ON DUPLICATE KEY UPDATE Statement is: insert into tablename set keyname = 'keyvalue', fieldname = 'fieldvalue' . INSERT INTO foo (bar, baz) VALUES (1,2) AS new_foo ON DUPLICATE KEY UPDATE baz=new_foo. insert(). 0 ) ON DUPLICATE KEY UPDATE `value` = `value` + VALUES(`value`) This command takes the value 1. a+new. – Jul 7, 2011 · Based on phsource's answer, and for the specific use-case of using MySQL and completely overriding the data for the same key without performing a DELETE statement, one can use the following @compiles decorated insert expression: May 16, 2013 · I made a shocking discovery regarding the INSERT INTO ON DUPLICATE KEY UPDATE statement. For example: INSERT INTO table_name (ID, NAME, AGE) VALUES(1, "A", 19); Le It's a work-around, but it works: Create a new column and call it do_delete, or whatever, making it a tiny-int. DATE, t. 0 database (multiple fields left out of the table below) with a composite primary key that I cannot update using INSERT INTO ON DUPLICATE KEY UPDATE CREATE T MySQL 8. 0 . All we have to do is use the INSERT INTO command with our table name and make our desired column, then enter our values according to the columns given. I could get it but it would require more queries. A creative use of IGNORE_DUP_KEY - Paul White @Sql_Kiwi Aug 29, 2015 · INSERT INTO T1 (Col1, Col2) VALUES (b,2) ON DUPLICATE KEY UPDATE Col2=VALUES(Col2); and the table now looks like this: Col1 | Col2 ----- a | 2 b | 2 If Col1 and Col2 are both unique I would like to run a single query: INSERT INTO T1 (Col1, Col2) VALUES (b,2) ON DUPLICATE KEY -- REPLACE ALL INSTANCES ? insert into t1 (a,b,c) values (1,2,3) on duplicate key update c=3; insert into t1 (a,b,c) values (4,5,6) on duplicate key update c=9; For INSERT SELECT statements, these rules apply regarding acceptable forms of SELECT query expressions that you can refer to in an ON DUPLICATE KEY UPDATE clause: The rows that cause errors such as duplicate-key conflicts are not updated. Specify the column name in the INSERT INTO clause and use the DEFAULT keyword in the VALUES clause. MySQL INSERT multiple rows statement. If you must do it solely in MySQL your last query is pretty much your only alternative, although it can be simplified (and made more efficient) by using a CROSS JOIN; this way you don't need the dummy column as all rows of the UNION table will be ON DUPLICATE KEY UPDATE inserts or updates a row, the LAST_INSERT_ID() function returns the AUTO_INCREMENT value. a=1の行がa=1,b=20,c=200に更新. on_duplicate_key_update({"key": "value"}) Nov 13, 2022 · Mysql 'VALUES function' is deprecated From that post it says. Nov 20, 2010 · Yes, "REPLACE INTO" deletes before insert for duplicate rows, and it's slower than "UPDATE" but "ON DUPLICATE KEY UPDATE" is a much slower. The following example demonstrates the second way: Dec 12, 2016 · I'm using node. 'a'), and you already had a row in the table where a=1, then you'd get an update instead and that Jun 6, 2024 · By using “ INSERT INTO ” statement we can insert multiple rows into the table in which we can provide multiple values in the VALUES clause and the values will be inserted. So I cant do the insert because I am missing the other unique key. lastupdate THEN new. Apr 26, 2011 · You have to create a key for your username field and then use INSERT ON DUPLICATE query to update the columns values. 6, an INSERT ON DUPLICATE KEY UPDATE on a partitioned table using a storage engine such as MyISAM that employs table-level locks locked all partitions of the table. 0. I need to include "ON DUPLICATE KEY UPDATE VALUES" in the insert statement, but am running into issues in Python. c = VALUES(t. 0 that's already there as value and does a value = value + 300. Let's say I have a table with Primary key or unique Key called key and value Jul 10, 2009 · CREATE TABLE db (a INT PRIMARY KEY, b TEXT); CREATE FUNCTION merge_db(key INT, data TEXT) RETURNS VOID AS $$ BEGIN LOOP -- first try to update the key -- note that "a" must be unique UPDATE db SET b = data WHERE a = key; IF found THEN RETURN; END IF; -- not there, so try to insert the key -- if someone else inserts the same key concurrently Feb 21, 2024 · I have the following table in a MySQL 8. Here's a cite from MySQL: REPLACE works exactly like INSERT, except that if an old row in the table has the same value as a new row for a PRIMARY KEY or a UNIQUE index, the old row is deleted before the new row is inserted. I'm trying to insert multiple rows with one query, and if the rows with that primary key already exist, update it. Aug 12, 2013 · Yes, with only one auto_increment key, you query will always insert new rows instead of updating existing one ( because the primary key is the only way to detect 'existing' / duplication ), since the key is auto_increment, there's never a duplication if the primary key is not given in the insert query. VALUES()関数を使うとINSERTに使おうとした値をUPDATEに使える 2) Using MySQL INSERT ON DUPLICATE KEY UPDATE statement to update another column example. Nov 24, 2014 · You can use the VALUES(col_name) function in the UPDATE clause to refer to column values from the INSERT portion of the INSERT ON DUPLICATE KEY UPDATE statement. lastupdate >= t. INSERT INTO foo (bar, baz) VALUES (1,2) ON DUPLICATE KEY UPDATE baz=VALUES(baz) to. I use "REPLACE INTO" only for MyISAM tables, because in InnoDB it has side effects. INSERT with an ON DUPLICATE KEY UPDATE clause enables existing rows to be updated if a row to be inserted would cause a duplicate value in a UNIQUE index or PRIMARY KEY. And insert a new value if it doesnt. Having to set it (the duplicate key update) at the very end might cause an issue which as much as possible, I'm trying to avoid even if it is to be caught (via try-catch). c, t. so your insert will never going to produce duplicate row. IF you are inserting multiple rows replace into could potentially overwrite data for existing rows that you don't really want to overwrite. 1. The thing is my testing shows me complete dominance for insert . Jun 14, 2018 · I have a list of possibly-incomplete set of values that will be used to append to or update a MySql table using the INSERTON DUPLICATE KEY UPDATE construct. js and mysql. Please have a look at the example in the documentation that you have already found. While inserting or updating multiple records at the same time in MySQL, the value to set for each column may vary depending on which record or records have a conflict. This will work for PostgreSQL, MySQL, and SQLite databases. d) Apr 19, 2014 · a=1の行がなかった場合. Sometimes, when updating on duplicate key it comes in handy to use VALUES() (opens new window) in order to access the original value that was passed to the INSERT instead of setting the value directly. Except for identifiers like the table name in your case. See also this answer. Otherwise I would like to insert it. i am currently check by this query. Use mysql_affected_rows() after your query, if INSERT was performed it will give you 1 and if UPDATE was performed it will give you 2. This function INSERT with an ON DUPLICATE KEY UPDATE clause enables existing rows to be updated if a row to be inserted would cause a duplicate value in a UNIQUE index or PRIMARY KEY. : Apr 20, 2015 · I'm able to update my table when mykey (primary key) exists, or insert when mykey does not exist, with this query: INSERT INTO customers (id, customer_id, page_id, mykey, hits) VALUES (NULL, 1, This will INSERT into table_name the specified values, but if the unique key already exists, it will update the other_field_1 to have a new value. d) Aug 2, 2021 · INSERT INTO Contact VALUES (1,'[email protected]') ON DUPLICATE KEY UPDATE email='[email protected]'; Note that there are two lines marked as affected, since the line with ID 1 already exists in the contact table, the above command updates the email “ [email protected] ” to “ [email protected] ”. c), t. Aug 7, 2019 · The correct way to use parameters with Python is to pass the values in the execute() call, not to interpolate the values into the SQL query. To insert multiple rows into a table, you use the following form of the INSERT statement: INSERT INTO table_name (column_list) VALUES (value_list_1), (value_list_2), (value_list_n); Code language: SQL (Structured Query Language) (sql) In this syntax: First, specify the name of the table where you want insert into t1 (a,b,c) values (1,2,3) on duplicate key update c=3; insert into t1 (a,b,c) values (4,5,6) on duplicate key update c=9; For INSERT SELECT statements, these rules apply regarding acceptable forms of SELECT query expressions that you can refer to in an ON DUPLICATE KEY UPDATE clause: INSERT or UPDATE multiple records at once. May 29, 2006 · However, adding the timestamp to the primary key makes it even more unique; so, if the id exists in the table and you simply want to update the timestamp, the new value for the timestamp you’re providing will mean that id matches but timestamp does not, because you’ve defined the primary key to be id and timestamp, which means BOTH values Nov 12, 2021 · So, if your version of MySql is 8. In other words, VALUES(col_name) in the ON DUPLICATE KEY UPDATE clause refers to the value of col_name that would be inserted, had no duplicate-key conflict occurred. Employing SET instead of VALUES in the two INSERT ON DUPLICATE KEY UPDATE statements just shown can be done as shown here: INSERT INTO t1 SET a=1,b=2,c=3 AS new ON DUPLICATE KEY UPDATE c = new. value ELSE t. I. INSERT INTO attendance (event_id, user_id, status) VALUES(some_event_number, some_user_id, some_status) ON DUPLICATE KEY UPDATE status=1 The thing is, event_id and user_id aren't primary keys, but if a row in the table 'attendance' already has those columns with those values, I just want to update it. Mar 3, 2012 · I tried that one already but I don't have the user_id to insert. 1st step . b, t. In assignment value expressions in the ON DUPLICATE KEY UPDATE clause, you can use the VALUES(col_name) function to refer to column Dec 23, 2009 · If you have solid constraints on the table, then you can also use the REPLACE INTO for that. b; INSERT INTO t1 SET a=1,b=2,c=3 AS new(m,n,p) ON DUPLICATE KEY UPDATE c = m+n; Oct 20, 2018 · We have a dynamic query that inserts data from a CSV file, what we want is to update all the rows even if there are duplicates. d) VALUES ('key1','key2','value','valueb'), ('key1','key3','value2','value2b') ON DUPLICATE KEY UPDATE t. 2,4 and 6 should insert and 3 should update since it was a duplicate – Jul 13, 2017 · In the case of "INSERT ON DUPLICATE KEY UPDATE" queries, the return value will be 1 if an insert was performed, or 2 for an update of an existing row. old), c=VALUES(c + c. Mar 22, 2014 · According to MySQL Developer Doc: Prior to MySQL 5. 6, an INSERT ON DUPLICATE KEY UPDATE statement against a table having more than one unique or primary key is also marked as unsafe. purchase_id is your PK so I believe it's auto incremental. First, insert a new row or update the new salary and bonus column if the row exists: INSERT INTO employees( id, name, age, salary) VALUES ( 1, 'Jane Doe', 26, 140000 ) AS new ON DUPLICATE KEY UPDATE. Rows updated to values that would cause data conversion errors are updated to the closest valid values instead. Historic answer: Feb 5, 2019 · In assignment value expressions in the ON DUPLICATE KEY UPDATE clause, you can use the VALUES(col_name) function to refer to column values from the INSERT portion of the INSERT ON DUPLICATE KEY UPDATE statement. So you can do interesting things like: Employing SET instead of VALUES in the two INSERT ON DUPLICATE KEY UPDATE statements just shown can be done as shown here: INSERT INTO t1 SET a=1,b=2,c=3 AS new ON DUPLICATE KEY UPDATE c = new. But of course you only need to provide a value once, there's no reason to add it a second time in the query (which comes in handy for multiple inserts, or prepared statements): Dec 29, 2017 · Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Sep 20, 2016 · In order to update/insert through the same query. If the values of some fields in the UPDATE clause depend on the original value of another field, the order of the fields is crucial. ON DUPLICATE KEY UPDATE will not help here :(– insert into t1 (a,b,c) values (1,2,3) on duplicate key update c=3; insert into t1 (a,b,c) values (4,5,6) on duplicate key update c=9; Note The use of VALUES() to refer to the new row and columns is deprecated, and subject to removal in a future version of MySQL. If your primary key is only one of the fields (e. See the MySQL documentation for more info. ) Feb 8, 2010 · well the SQL is an example but the expected outcome would be to run one query that would insert if new, update if duplicate for multiple values. clicks This is typically referred to as an "upsert" operation (a combination of "insert" and "update"). This will insert a row, but if subject or text (or both) already exist, you instead update the existing row with given time and user_id May 13, 2011 · From MySQL manual: If you specify ON DUPLICATE KEY UPDATE, and a row is inserted that would cause a duplicate value in a UNIQUE index or PRIMARY KEY, an UPDATE of the old row is performed. In this guide, we'll cover how to use this construct to update the values of an entry if it exists or else add it as a new row in the table. Then do On Duplicate Key Update do_delete = 1;. 2. Apr 21, 2014 · My objective: i want to insert or update multiple records with the condition . The requirements are as follows: If an operation resolves to an INSERT and the field value IS supplied, use the value supplied; Sep 30, 2016 · Or on older versions of MySQL: INSERT INTO AUTHOR (ID, LAST_NAME) VALUES ( 3, 'X' ) ON DUPLICATE KEY UPDATE AUTHOR. config_value = 'value' , t2. Cons: Overwrites every column even though only some columns may have newer data. I try like that: UPDATE config SET t1. salary, Employing SET instead of VALUES in the two INSERT ON DUPLICATE KEY UPDATE statements just shown can be done as shown here: INSERT INTO t1 SET a=1,b=2,c=3 AS new ON DUPLICATE KEY UPDATE c = new. country, t. (This did not and does not occur with tables using storage engines such as InnoDB that employ row-level locking. :-) May 4, 2013 · INSERT INTO TABLENAME(col1, col2) VALUES ('xxx', 'yyy') ON DUPLICATE KEY UPDATE col1 = VALUES(col1) Note that you don't need to update the primary key part of the row. Dec 22, 2011 · ON DUPLICATE KEY does just that if the data you're inserting violates a unique key requirement, turn it into an update on the row which has the key combination which caused the violation. 20 and subject to removal in the future. Too low on rep for comment, but I wanted to add a slightly more complex syntax that was inspired by @ʞɔıu response. . A row alias with one or more optional column aliases can be used with ON DUPLICATE KEY UPDATE to refer to the row to be inserted. Feb 27, 2010 · After that, I insert the row, then ON DUPLICATE KEY UPDATE can only fire if the ID is a duplicate. See the following employees table from the sample database. The row/s affected value is reported as 1 if a row is inserted, and 2 if a row is updated, unless the API's CLIENT_FOUND_ROWS flag is set. Functions and Operators Apr 16, 2017 · While the above method is still valid, it was deprecated in MySQL version 8. It is possible to make the query INSERT INTO ON DUPLICATE KEY UPDATE Have several conditions like txt_lang_id = 1 AND txt_section = 'home' AND txt_code = 'txt_title' SET txt_value = 'New home' SELECT c, c+d FROM t2. If the table contains AUTO_INCREMENT primary key column and the ON DUPLICATE KEY statement tries to insert or update a row, the Last_Insert_ID() function returns its AUTO_INCREMENT value. mysqlのinsert文には"insert on duplicate key update"という構文があります。レコードを挿入または重複があった場合は更新したい場合に、insert文とupdate文を別個に書くよりはるかに便利になります。 Nov 22, 2014 · Even with a creative use of IGNORE_DUP_KEY, you'd still be stuck having to use an insert/update block or a merge statement. ` – Mar 24, 2017 · My idea is to create a query that inserts the new texts created in each database, and if it already exists to update the value. MySQL UPDATE examples. I now use onConflict for this one. Feb 26, 2019 · I am working on using python to upload JSON data to MySQL. 2) Inserting rows using default value example. value = CASE WHEN new. ON DUPLICATE KEY UPDATE b = e; You can also use row and column aliases with a SET clause, as mentioned previously. values() 関数は、on duplicate key update 句または insert ステートメントでのみ意味があり、それ以外の場合は null を戻します。 例: insert into t1 (a,b,c) values (1,2,3),(4,5,6) on duplicate key update c=values(a)+values(b); そのステートメントは、次の 2 つのステートメントと同一です。 Dec 11, 2019 · Your on_duplicate_key_update function requires arguments that define the data to be inserted in the update. – I have table - config. MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query and this one: MySQL Insert & Joins. For example: INSERT INTO tableName (a,b,c) VALUES (1,2,3) ON DUPLICATE KEY UPDATE a=VALUES(a), b=VALUES(b + b. Schema: config_name | config_value And I would like to update multiple records in one query. We know that this works: INSERT INTO TABLE (ID1,ID2,ID3,PAYDATE,PRICE, Feb 14, 2009 · @BillKarwin I experienced deadlock then 2 transactions try to update the records in different order, or like the situation in Mysql deadlock caused by INSERT… ON DUPLICATE KEY UPDATE, but with insert ignore, the deadlock seems not happen. a=1の行が既にあった場合. If multiple In which I'm trying to update several rows with one query: INSERT INTO example_table VALUES (1, 100, null), (2, 100, 'abc') ON DUPLICATE KEY UPDATE numb = VALUES(numb), text = IFNULL(VALUES(text), text); MySQL doesn't allows to execute this query because one of VALUES blocks contains null value for not-null column (text column). clicks FROM ( SELECT DATE, country, channel, SUM(clicks) AS clicks FROM A GROUP BY DATE, country, channel ) AS t ON DUPLICATE KEY UPDATE clicks = t. PK is exchange + currency1 + currency2. Installing and Upgrading MySQL. update over multiple updates. Depending on your MySQL version/connection, you can execute multiple queries in the same statement. For example your query must be, INSERT INTO table (user_name) VALUES ('baz'), ('bar'), ('qux') ON DUPLICATE KEY UPDATE user_visits=user_visits+1; 2022 Update. In assignment value expressions in the ON DUPLICATE KEY UPDATE clause, you can use the VALUES(col_name) function to refer to column SELECT ON DUPLICATE KEY UPDATE statements are flagged as unsafe for statement-based replication In addition, beginning with MySQL 5. 20+ it is recommended to use an alias instead of VALUES(): INSERT INTO t (name, value, lastupdate) VALUES ('a', 20, '2021-01-01'), ('b', 40, '2021-01-01'), ('c', 60, '2021-04-01') AS new ON DUPLICATE KEY UPDATE t. Improve this answer. This seems to better fit the scenario you describe, is much easier to read, and avoids those difficult-to-untangle multiple conditions. 1) Using MySQL UPDATE to modify values in a single column example. Share. MySQL allows you to perform this action using the ON DUPLICATE KEY UPDATE clause to modify the INSERT command. e. SELECT * FROM (SELECT c, c+d AS e FROM t2) AS dt. a=1,b=12,c=100 の行が追加. 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 is the test i have done: Transaction 1: ON DUPLICATE KEY UPDATE inserts or updates a row, the LAST_INSERT_ID() function returns the AUTO_INCREMENT value. g. INSERT INTO Cell ( cellId, attributeId, entityRowId, value) VALUES( 1, 6, 199, 300. In assignment value expressions in the ON DUPLICATE KEY UPDATE clause, you can use the VALUES(col_name) function to refer to column As name and id are unique and I update multiple rows at once I use INSERT and ON DUPLICATE KEY UPDATE instead of UPDATE when changing values. b; INSERT INTO t1 SET a=1,b=2,c=3 AS new(m,n,p) ON DUPLICATE KEY UPDATE c = m+n; ON DUPLICATE KEY UPDATE inserts or updates a row, the LAST_INSERT_ID() function returns the AUTO_INCREMENT value. Well, this is old. config_va According to the SQL standard, VALUES is a table value constructor that returns a table. channel, t. Jul 9, 2019 · I have seen this post: update-vs-insert-into-on-duplicate-key-update. The following are the syntax of Insert on Duplicate Key Update statement in MySQL: Mar 12, 2012 · INSERT INTO table (a,b,c) VALUES (1,2,3),(4,5,6) ON DUPLICATE KEY UPDATE c=VALUES(a)+VALUES(b); Share. But I can't find definitive document for it. Essentially what I'm trying to do is UPDATE multiple rows with different values and I want to JOIN another table to check that the current logged user is allowed to UPDATE those rows. Tutorial. If you want to insert a default value into a column, you have two ways: Ignore both the column name and value in the INSERT statement. DESCRIBE users_interests; Jul 31, 2011 · How do I update the entire row with this statement INSERT INTO table (a,b,c) VALUES (1,2,3) ON DUPLICATE KEY UPDATE c=c+1; But I want to update all fields besides the primary key which auto- Jun 14, 2016 · How to increment a field in MySql using "ON DUPLICATE KEY UPDATE" when inserting multiple rows? For one row: INSERT INTO table (a, counter_elem) VALUES (1, 1) ON DUPLICATE KEY UPDATE Jan 16, 2011 · value in c1 and c2 and if so update all entries in this I found this (INSERT ON DUPLICATE KEY UPDATE): INSERT ON DUPLICATE KEY UPDATE for multiple unique indexes. We know that's the same because there was a collision. INSERT INTO B SELECT t. b; INSERT INTO t1 SET a=1,b=2,c=3 AS new(m,n,p) ON DUPLICATE KEY UPDATE c = m+n; Sep 3, 2014 · Faster than Insert, on duplicate key update. Nov 17, 2010 · I want to add a row to a database table, but if a row exists with the same unique key I want to update the row. To update multiple fields on duplicate key: INSERT INTO t (t. INSERT INTO requests ('user_id','subject','text','time') VALUES (56,'test','test 1234',6516516) ON DUPLICATE KEY UPDATE time = VALUES(time), user_id = VALUES(user_id) Have the relevant columns set to index UNIQUE. . Jan 31, 2018 · Glad you figured it out - StackOverflow's "Syntax-Highligting" would have told you, that Griffin is considered a Column-Name rather than a value - If you had posted "real" code rather than pseudo-code - which was "correct by accident" (as assumed) - we could have helped you much faster . In MySQL this is true for simple INSERT and REPLACE statements, but MySQL also uses VALUES to refer to values in INSERT ON DUPLICATE KEY UPDATE statements. Feb 6, 2015 · This syntax is shorthand for logic that causes an insert only if the key does not exist, and an update of the row identified by that key if it does exist. if records found by matching above criteria i just update record by my new values else insert new record into my table Feb 4, 2016 · If you specify ON DUPLICATE KEY UPDATE, and a row is inserted that would cause a duplicate value in a UNIQUE index or PRIMARY KEY, MySQL performs an UPDATE of the old row. General Information. Since ON DUPLICATE KEY UPDATE only operates on primary keys or unique indexes, you cannot insert another row with the same key anyway. salary = new. E. But, I am Jun 6, 2024 · INSERT INTO table (column_names)VALUES (values)ON DUPLICATE KEY UPDATE col1 = val1, col2 = val2 ; Along with the INSERT statement, ON DUPLICATE KEY UPDATE statement defines a list of column & value assignments in case of duplicates. SELECT * FROM `marks` WHERE `student` =115 AND `param` =1 2nd step . MySQL allows a more readable way to combine multiple updates into a single query. Let’s practice the UPDATE statement. 6. The ON DUPLICATE KEY UPDATE clause can contain multiple column assignments, separated by commas. a, t. Jan 28, 2014 · Too low on rep for comment, but I wanted to add a slightly more complex syntax that was inspired by @ʞɔıu response. LAST_NAME = VALUES(LAST_NAME) Note that VALUES(column_name) has been deprecated with more recent versions of MySQL, and as such shouldn't be used anymore. 0 Reference Manual. insert update multiple rows mysql. Data Types. ON DUPLICATE KEY UPDATE b = VALUES(b); You can eliminate such warnings by using a subquery instead, like this: INSERT INTO t1. so if key_id 1, 3, and 5 are already in the DB and I run INSERT for 2, 3, 4 and 6. The only two bits of data I have are the merged_into_id and the old_object_id. fk ki ty uc za lw kq bp xo jb