Try insert on table 2. insert のときだけでなく、update の処理が走った際にも、auto_increment が増えてしまい、auto_increment で更新される値が予測を超えて増加し、int型の最大値に達してしまい、データの insert into t1 (a,b,c) values (1,2,3) on duplicate key update c=c+1; update t1 set c=c+1 where a=1; The effects are not quite identical: For an InnoDB table where a is an auto-increment column, the INSERT statement increases the auto-increment value but the UPDATE does not. 20, and is subject to removal in a future version of MySQL. you might also consider leveraging foreign keys and referential actions, tablet riggers, stored procedures, or any combination of those options. If you know most of the time you will get the duplicate key then. In MySQL 8. Sep 16, 2015 · MERGE INTO table-name USING table-ref AS name ON cond WHEN NOT MATCHED THEN INSERT WHEN MATCHED THEN UPDATE Depending on your flavour of SQL. If update fails then insert the record into table using insert query 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] ”. 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. ON DUPLICATE KEY UPDATE allows you to perform an upsert of a row. If the record does not exist - to create a new one. where i made mistake? insert into biometric_data. e. INSERT INTO table1 SET field1=aa, field2=bb, field3=cc ON DUPLICATE KEY UPDATE SET field1=aa, field2=bb, field3=cc; But now I would like to achieve that the update only is done if a condition (WHERE) is true. because i want insert/update many records from am json source. This would be useful because it tries to insert and if it's already in the table, then it will update the columns accordingly in one query. 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. if they support the SQL standard MERGE statement). I used on duplicate key update, while inserting i am able to retrieve dataId but while update mybatis does not retrieve dataId. question_id, src. daily_attendance (emp_id, in_punch, out_punch, processeddate_d, worktime) May 9, 2021 · On DUPLICATE KEY UPDATE you can use the VALUES(columnname) syntax to access the value of the column to be inserted: INSERT INTO t2 (ID, P1, P2, Items) SELECT ID, P1, P2, SUM(Items) FROM t1 GROUP BY ID,P1,P2 ON DUPLICATE KEY UPDATE t2. 암튼 이건 insert 의 확장이고 pk나 유니크 키가 중복인 것을 찾으면 중복이니까 update 실행 대신 Insert를 한다 대충 이런 뜻인가 Oct 6, 2016 · After 5. Feb 19, 2019 · I am using mybatis to insert records. question_id) WHEN NOT MATCHED THEN INSERT(question_id, ug) VALUES (src. It's a work-around, but it works: Create a new column and call it do_delete, or whatever, making it a tiny-int. Hitting an "ON DUPLICATE KEY UPDATE" doesn't count as an insertion so returns the value used in the last successful insert. If 1 fails, delete row and insert new row Insert on Duplicate Key Update involves: 1. Jul 11, 2016 · In order to use on duplicate key update, you will need that so your database server will know if it needs to insert or update. Does SQL Server offer anything comparable to MySQL's ON DUPLICATE KEY UPDATE? Jun 2, 2014 · This query obviously won't work as it's a blend of MySQL and PHP, It's simply to explain, in readable-ish terms, what I'm aiming for: INSERT INTO table (userid, courseid, valid_days, valid_to) Jul 14, 2013 · Obviously I can't have a SELECT clause within the insert into on duplicate update syntax, but I'd really rather do that instead of have 2 queries running. If I run the following Mar 16, 2015 · INSERT INTO dest ( id, v) SELECT id, POW(v, 2) AS p FROM source ON DUPLICATE KEY UPDATE dest. It will only add a IX lock on the table and a X lock on the specific record, just as the UPDATE do. Comparison with ON DUPLICATE KEY UPDATE. INSERT INTO table (a,b,c) VALUES (1,2,3) -> ON DUPLICATE KEY UPDATE c=c+1; If a and b are UNIQUE fields, UPDATE occurs on a = 1 OR b = 2. ug) WHEN MATCHED THEN UPDATE SET trg. It goes something like this: INSERT INTO lee(exp_id, created_by, location, animal, starttime, endtime, entct, inact, inadur, inadist, smlct, smldur, smldist, larct, lardur, lardist, Feb 20, 2012 · With that query, when you add ON DUPLICATE KEY UPDATE it will update when the id es the same than the id that you are sending, in this case you are not sending an id as parameter so it will never update because you have the id with auto-increment. for SQL server, the way to work around this is to first declare a temp table, insert value to that temp table, and then use MERGE Aug 2, 2021 · The last_insert_id returns only the last inserted value which is intended. Nov 12, 2021 · Assuming that name is the PRIMARY KEY of the table or is defined as UNIQUE, you can use a CASE expression:. For more information, see the Performing Upserts topic. Here is an example how to use the ON DUPLICATE KEY UPDATE clause: Jun 5, 2014 · In my table, id is the primary key, but this code not working in sqlite3: insert into text (id,text) VALUES(150574,'Hello') ON DUPLICATE KEY UPDATE 'text' = 'good' Please help me. Worst case is when all the statements are updates 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; 注記 新しい行とカラムを参照するための VALUES() の使用は、MySQL 8. You say that you want to either update the column or keep it as it is. Nov 1, 2015 · I have sy_version table which has a 2-column primary key: (mod_id, sub_mod):. According to the linked post, MERGE implicitly takes out an update lock, but releases it before inserting rows, which can cause a race condition and primary key violations on insert. CREATE TABLE `sy_version` ( `mod_id` VARCHAR(2) NOT NULL, `sub_mod` VARCHAR(30) NOT NULL, `version` VARCHAR(50) NULL DEFAULT NULL, `remark` VARCHAR(50) NULL DEFAULT NULL, `update_date` DATETIME NULL DEFAULT NULL, `download_link` VARCHAR(50) NULL DEFAULT NULL, `file` BLOB NULL, PRIMARY KEY (`mod_id`, `sub_mod Oracle doesn't have on duplicate key update Use MERGE instead:. Mar 12, 2012 · Yes, it will work, but it is advisable to explicitly name the columns first: INSERT INTO mytable (myid, mydata) VALUES (1,"new row"),(2,"brand new row"),(3,"yup another new row") Apr 2, 2024 · postgresqlでは、upsertを実現する方法はいくつかあります。insert . Syntactically not correct: 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. INSERT INTO t (name, value, lastupdate) VALUES ('a', 20, '2021-01-01'), ('b', 40, '2021-01-01'), ('c', 60, '2021-04-01') ON DUPLICATE KEY UPDATE value = CASE WHEN VALUES(lastupdate) >= lastupdate THEN VALUES(value) ELSE value END; Jan 8, 2016 · MERGE INTO users dest USING( SELECT 1 user_id, 10 points FROM dual) src ON( dest. INSERT INTO SELECT; Insert On Duplicate Key Update; INSERT IGNORE; Insert DateTimes; Mar 8, 2024 · A common use case for this hint is on keylessly sharded tables, as it allows forced redistribution of data among partitions, rather than inserting it locally into the same partition. MySQL Insert DateTime. Can anyone Nov 1, 2015 · sql = insert into A (id, last_date, count) values(%s, %s, %s) on duplicate key update last_date=%s, count=count+%s' You will get the following error: TypeError: not all arguments converted during string formatting. Jul 5, 2018 · mysql 自4. Filter where fi Since this is a top result on google for "insert on duplicate key" it would be unwise not to extend this answer to cater for those who just wish that on duplicate key inserts and returns the 'id' on duplicate. ug 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; 注記 新しい行とカラムを参照するための VALUES() の使用は、MySQL 8. based on your example code it looks like your goal is to maintain key values across related tables. This should have been posted in a forum but since it deals my problem exactly i thought of posting it here. When the INSERT attempt fails due to the violation of a unique constraint, the ON DUPLICATE KEY part causes an UPDATE operation on the existing row. T Jun 5, 2020 · auto_incrementとon duplicate key update. I had to parse a CSV file and at each 100 rows parsed I did an INSERT … ON DUPLICATE KEY UPDATE each row was a email address, and I had to update the flags accordingly, simple task. INSERT INTO table_name (column1, column2, ) VALUES (value1 Jul 14, 2010 · REPLACE INTO executed a lot more faster that INSERT … ON DUPLICATE KEY UPDATE for ~70k rows. 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. The latter does a delete and an insert when a duplicate exists. See full list on geeksforgeeks. => ON DUPLICATE KEY UPDATE duplicate=LAST_INSERT_ID(duplicate) – Feb 26, 2019 · I am working on using python to upload JSON data to MySQL. May 29, 2006 · insert into (field1, field2, field3) values (1,2,3),(1,2,3) and so including on duplicate update. If the insertion would result in a duplicate entry for a PRIMARY KEY or a UNIQUE index, MySQL updates the existing row instead. Insert Table1 Data. Sep 20, 2008 · This answer really needs updated to account for the comment by Seph about it not being thread-safe without a HOLDLOCK. points ); 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; I don't believe I've come across anything of the like in T-SQL. . this took about 10 min on my machine. A regular INSERT with a primary key value of 1 will fail, due to the existing key: INSERT INTO ins_duplicate VALUES (1, 'Antelope'); ERROR 1062 (23000): Duplicate entry '1' for key 'PRIMARY' However, we can use an INSERT ON DUPLICATE KEY UPDATE instead: INSERT INTO ins_duplicate VALUES (1, 'Antelope') ON DUPLICATE KEY UPDATE animal = 'Antelope 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. For usage see the manual - specifically the conflict_action clause in the syntax diagram, and the explanatory text. So far everything is fine. Jan 23, 2018 · ON DUPLICATE KEY UPDATE won't add a Insert Intention Lock if a duplicate key is found. I will use INSERT ON DUPLICATE rather than the REPLACE INTO for the above reason. Unfortunately, Laravel doesn't have support for on duplicate key update syntax. user_id = src. Use a staging table where you overwrite, then write a simple mysql trigger on this staging environment in such a way that it runs INSERT INTO target_table ON DUPLICATE KEY UPDATE. INSERT INTO countingTable( image_count, article_id ) SELECT COUNT( article_id ) AS sum, article_id FROM imageTable ON DUPLICATE KEY UPDATE image_count = VALUES(sum) But this gives the error: #1054 - Unknown column 'sum' in 'field list' Feb 10, 2017 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand 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 beginning with MySQL 8. points WHEN NOT MATCHED THEN INSERT( user_id, points ) VALUES( src. Otherwise I would like to insert it. The speed has to depend on the number of updates involved. Insert On Duplicate Update，简称IODU，是MySQL中的一种语法，用于实现插入或更新数据的操作。通常情况下，在插入数据之前，需要先做一次查询，如果查询结果为空，则执行Insert语句；如果查询结果不为空，则执行Update语句。 Feb 16, 2012 · INSERT INTO USERS (name, value) VALUES ('blog', 'test2') ON DUPLICATE KEY UPDATE value = 'test2' これらは、name が重複していないので普通に INSERT として処理されるので以下の様な結果になります。 Dec 27, 2019 · Here is my SQL query, below insert or update returns 0 row affected. ColToUpdate1, ColToUpdate2 = t. 4 days ago · The INSERT statement inserts new data into a table. upsert. 0. So when you use "ON DUPLICATE KEY UPDATE" in python, you need to write sql like this: Explore Zhihu's column for personal writing and free expression on various topics. table1 SELECT * FROM test-db. . Behind the sentence: ON DUPLICATE KEY UPDATE, here you set values that can be adjusted. MERGE INTO my_table trg USING (SELECT 30 as question_id,0 as ug FROM DUAL UNION ALL SELECT 31,1 FROM DUAL) src ON (src. 5 and newer support INSERT ON CONFLICT (key) DO UPDATE (and ON CONFLICT (key) DO NOTHING), i. Here's an example of my array data ar Jun 18, 2017 · I was surprised to see that on duplicate key update clause works well if we have both primary key and other unique index: INSERT INTO users (`uuid`, `name`, `image_url`) VALUES(:uuid, :name INSERT INTO users_interests (uid, iid, preference) VALUES (2, 2, 'like') ON DUPLICATE KEY UPDATE preference='like'; Query OK, 2 rows affected (0. a. If 1 fails, update row If all the steps involved are inserts, there should be no difference in performance. Jul 29, 2016 · I update/insert values in a single table with the ON DUPLICATE KEY UPDATE function. Aug 12, 2015 · INSERT INTO table_name (id_second, column1, column2) VALUES (:id_second,:value1,:value2) ON DUPLICATE KEY UPDATE id_second = :id_second, value1 = :value1, value2 = :value2. 20 以降非推奨になり、将来のバージョンの MySQL で削除される予定です。 Jun 24, 2013 · PostgreSQL 9. If the user exist I run and UPDATE, if not I run a INSERT. Insert Table2 data (Table a linked, remote server) with UNIQUE Ids respected. 1版以后开始支持insert … on duplicate key update语法，使得原本需要执行3条sql语句（select,insert,update），缩减为1条语句即可完成。 Mar 7, 2013 · For loading huge amounts of data into MySQL, LOAD DATA INFILE is by far the fastest option. I would use Twitter's own unique Status ID field (which should be unique for each tweet) instead of your hash id. Since you say (id, email) is a foreign key (which is not necessarily a unique key), it will not suffice, so add one. I need to include "ON DUPLICATE KEY UPDATE VALUES" in the insert statement, but am running into issues in Python. 12 this is supposedly no longer necessary, however I found an exception to that today. If you don't care about errors (conversion errors, foreign key errors) and autoincrement field exhaustion (it's incremented even if the row is not inserted due to duplicate key), then use INSERT IGNORE like this: Mar 23, 2018 · insert into t1 (a,b,c) values (1,2,3) on duplicate key update c=c+1; 如上sql假如t1表的主键或者UNIQUE 索引是a，那么当执行上面sql时候，如果数据库里面已经存在a=1的记录则更新这条记录的c字段的值为原来值+1，然后返回值为2。 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: 一、什么是Insert On Duplicate Update. Using this feature, we can write a follow-up update statement when there is a duplicate key while inserting a record into the database. To update the duplicate row with new one in MySQL tablet through a Python program, we use the DUPLICATE KEY UPDATE along with INSERT statement using the execute() function of the MySQL Connector/Python as − On duplicate key do not allow us to use where clause, so there are two alternative to achieve the same. Jun 7, 2019 · Using the answer from this question: Need MySQL INSERT - SELECT query for tables with millions of records new_table * date * record_id (pk) * data_field INSERT INTO new_table (date, Nov 3, 2018 · 所属しているプロジェクトで insert on duplicate key update を使っているが、問題が起きたのでまとめておく。 起きた問題. The following are the syntax of Insert on Duplicate Key Update statement in MySQL : Consider. I'm not sure what this 'test' is about. table1 t ON DUPLICATE KEY UPDATE ColToUpdate1 = t. Quick explanation. The value that will not be repeated is set in the db in the indexes. For comparison, see this query: UPDATE users_interests SET preference='like' WHERE uid=2 AND iid=2; Jun 1, 2022 · mysqlのon duplicate key updateは、insertするテーブル内の既存のレコードを更新する場合に使用されます。 oracleのmergeは、テーブル内の更新が必要なレコードのみを更新します。mysqlのon duplicate key updateは、重複するキーが存在する場合はすべての行が更新されます。 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. However, ON DUPLICATE KEY UPDATE has advantages over REPLACE. 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. The syntax IS NOT NULL column is wrong. With ON DUPLICATE KEY UPDATE, the affected-rows value per row is 1 if the row is inserted as a new row and 2 if an existing row is updated. on duplicate key update 句は、unique キーまたは primary キーにのみ適用され This tutorial shows you how to use MySQL INSERT ON DUPLICATE KEY UPDATE statement effectively by practical examples. terms: If the record exists - to update the record. If multiple Oct 5, 2018 · ถ้า record เรา ไม่มี id ที่เป็น primary key อยู่แล้ว มันจะ insert ให้ แต่ถ้ามี มันก็จะ update ให้เรา. The MySQL database supports a very convenient way to INSERT or UPDATE a record. It works by attempting to insert a new row. Jan 16, 2015 · 2. Examples Insert the values 1, 2, 3 into tbl: INSERT INTO tbl VALUES (1), (2), (3); Insert the result of a query into a table: INSERT INTO tbl SELECT * FROM other_tbl; Insert values into the i column, inserting the default value into other columns: INSERT INTO tbl (i) VALUES (1), (2), (3); Explicitly insert the default value into a column Jul 11, 2016 · In order to use on duplicate key update, you will need that so your database server will know if it needs to insert or update. question_id = trg. For example, PostgreSQL provides “ON CONFLICT DO UPDATE” and MySQL provides “ON DUPLICATE KEY”. 19 and later, 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. Jul 6, 2021 · @lelio-faieta comments and answer are correct with regards to the ON DUPLICATE KEY UPDATE queries. 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. on duplicate updateこの方法では、insertとon duplicate updateを組み合わせて、レコードが存在するかどうかをチェックします。 Jan 27, 2024 · MySQL offers the INSERT ON DUPLICATE KEY UPDATE clause, which is the closest to a standard UPSERT statement. on duplicate updatemergeinsert . テーブルに自動採番(auto_increment)のカラムが存在する場合は、"on duplicate key update"構文を使った場合に更新されずにupdateを実行しても連番が一つ進む、と書いてある記事がよく出てきます。 (insert on duplicate key updateの利点と注意点 Learn how to use the ON DUPLICATE KEY UPDATE clause to insert or update rows in a table with unique or primary keys. I'm doing an insert query where most of many columns would need to be updated to the new values if a unique key already existed. The INSERT ON DUPLIACTE UPDATE is true update. user_id ) WHEN MATCHED THEN UPDATE SET points = src. On Duplicate Key Update. g. ug = src. Update the table first using update query and where clause b. We cannot tell you if you have one, as we cannot distinguish it from a unique key with the information in your question, so add the table Aug 7, 2015 · Okay, your primary is auto-increment, so that's not going to trigger an ON DUPLICATE. Up Next. Apr 19, 2014 · INSERTON DUPLICATE KEY UPDATE構文を使うとレコードがなければINSERT、あればUPDATE複数行の一括UPDATEフィールド毎に条件判定して Jan 18, 2007 · The REPLACE INTO acts as DELETE/INSERT for duplicates. See examples, syntax, and tips for using VALUES(), SET, and aliases. v=VALUES(v); VALUES() avoid writing same expression again. Always try to specify the columns name you are inserting, just in case you add a new column to the table in some time future May 2, 2012 · I would like to use "insert on duplicate key update" in a query to either insert a new row if it does not exist or update a row if it does. Apr 27, 2010 · ON DUPLICATE KEY UPDATE doesn't seem to be the right solution here, as you don't want to update if the value is already in the table. Then do On Duplicate Key Update do_delete = 1;. org CREATE FUNCTION `func`(param1 INT, param2 INT, param3 TEXT) RETURNS int(11) BEGIN INSERT INTO `table1` (`column1`, `column2`, `column3` ) VALUES (param1, param2, param3) ON DUPLICATE KEY UPDATE `time_stamp` = UNIX_TIMESTAMP(); RETURN last_insert_id(); END this would insert into a table a row if it doesn't exist but otherwise update it. What I can not seem to figure out is how to use this if I do not have the unique id (because the row has not yet been created, and this ID will be autoincremented upon insert) May 16, 2013 · I made a shocking discovery regarding the INSERT INTO ON DUPLICATE KEY UPDATE statement. Items = VALUES(Items) ; INSERT INTO ON DUPLICATE KEY UPDATE will only work for MYSQL, not for SQL Server. Mar 22, 2012 · After posting this question MySQL update or insert or die query I've change to using PDO but I'm having some issues using the on duplicate key update phrase. 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 I'm trying to compare data from two systems. INSERT INTO table (id, field1, field2, ) VALUES (1, 'hello', 'world', ) ON DUPLICATE KEY UPDATE field1 = 'foo', field2 = 'baa' Mar 7, 2014 · Can you help me to solve a problem. Aug 23, 2017 · "on duplicate key update" will update when the insert would violate a unique key. I would say that your common_id sounds like the next most likely one to put a UNIQUE index on, but I see you are updating it in your ON DK UPDATE. ColToUpdate2, As mentioned elsewhere, only the columns you want to update need to be included after ON DUPLICATE KEY UPDATE. MySQL documentation states:. 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. Since ON DUPLICATE KEY UPDATE only operates on primary keys or unique indexes, you cannot insert another row with the same key anyway. Unfortunately, while this can be used in a way INSERT IGNORE or REPLACE works, ON DUPLICATE KEY UPDATE is not currently supported. This is a non-standard extension to the SQL syntax, which is supported by jOOQ and emulated in other RDBMS, where this is possible (e. 1. You can get this information at the time of the insert/update by examining the number of affected rows in the result set. Correct: column IS NOT NULL. 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. Share Apr 22, 2024 · Many databases provide a built-in feature to handle conflict on insert. Also when condition a = 1 OR b = 2 is met by two or more entries, update is done only once. See the MySQL documentation for more info. user_id, src. The task is to insert a record in MySQL database. The basic idea is: Create Temp Table. 04 sec) Why is this happening? EDIT. on duplicate key update 句では、values() 関数を使用して、挿入する値を参照することができます。 insert into users (name, age) values ('山田太郎', values (age) + 1) on duplicate key update age = values (age) + 1; 注意点. Yes, a query of that pattern would work, but it highly unusual that we would update columns a or b which are part of the UNIQUE KEY. Depending on your MySQL version/connection, you can execute multiple queries in the same statement. Below is my working code. If you have a child table defined with “on delete CASCADE”, the REPLACE INTO will delete the child record too. UPDATE: was never able to find a working syntax to use the ON DUPLICATE KEY UPDATE so what I did instead (admittedly probably not the most efficient way) was check the table before hand for the user. Nov 17, 2010 · INSERT live-db. Hope this helps somebody who gets stuck in my situation. 20 以降非推奨になり、将来のバージョンの MySQL で削除される予定です。 MySQL INSERT ON DUPLICATE KEY UPDATE Statement. Examples Simple Feb 24, 2021 · PostgreSQLでprimary keyに該当するレコードがまだ無いときはinsertし、すでに有る場合はupdateするクエリを紹介します。 MySQLでいうところのINSERT ON DUPLICATE KEY UPDATEです。 PostgreSQLで、 レコードが無いときinsert、有るときupdateするにはon conflictを使います: Aug 7, 2018 · INSERT INTO tableName (COLUMN_1, COLUMN_2, COLUMN_3) SELECT 'test8', 'test9', 'test10' UNION ALL SELECT 'test4', 'test5', 'test6' UNION ALL SELECT 'test9', 'test5', 'test6' ON DUPLICATE KEY UPDATE COLUMN_1='new', COLUMN_2='new', COLUMN_3='new'; The problem you are going to run into is if you get more than one duplicate key on the INSERT. If you have an autoincrement pk, and a unique key on say an email address, and the 'on duplicate update' triggers based on the email address, note that the last_insert_id' will NOT be the autoincrement value of the updated row. insert into t1 (a,b,c) values (1,2,3) on duplicate key update c=c+1; update t1 set c=c+1 where a=1; The effects are not quite identical: For an InnoDB table where a is an auto-increment column, the INSERT statement increases the auto-increment value but the UPDATE does not. qg bd nm yh ud rd cn pv vc qx