大概意思就是:insert会对插入成功的行加上排它锁,这个排它锁是个记录锁,而非next-key锁(也不是gap锁了),不会阻止其他并发的事务往这条记录之前插入记录。在插入之前,会先在插入记录所在的间隙加上一个插入意向gap锁,并发的事务可以对同一个gap加意向gap锁。如果insert 的事务出现了duplicate-key error ,事务会对duplic
ERROR Internal session terminated with a runtime error DBSQL_DUPLICATE_KEY_ERROR Please let me know why this error is coming when I am executing a report in SAP.
At the bottom is the upper part of the error message I can getting. It essentially repeats this error with different files pointing back to the same line in the Notification DAO. I'm all sorts of "Wait, what?" on this. Is this somehow pointing to a line as having the error although...
A duplicate product code error means that the CD key you are trying to register has already been redeemed to a Steam account. The key cannot be registered again. If you received a duplicate CD key from your retail purchase you will need to contact the retailer who sold you the key. Steam...
"If a duplicate-key error occurs, a shared lock on the duplicate index record is set." 对于insert操作来说,若发生唯一约束冲突,则需要对冲突的唯一索引加上S Next-key Lock。从这里会发现,即使是RC事务隔离级别,也同样会存在Next-Key Lock锁,从而阻塞并发。然而,文档没有说明的是,对于检测到冲突的唯一索...
Caused by: java.sql.SQLIntegrityConstraintViolationException: Duplicate entry 'Le1DNspbSb6r-GFsJqh1sA' for key 'UKmiippl8ygi3wyaqxebh4r3p1w' at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:117) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java...
2023-03-23T09:13:18.978+0000 Failed: restore error: error applying oplog: applyOps: (DuplicateKey) E11000 duplicate key error collection: london.book index: number_1_author_1 dup key: { number: 4.0, author: "Graham" } 2023-03-23T09:13:18.978+0000 0 document(s)...
Description: look at the queries below, grouping on certain parts of the result from rand, causes a duplicate key error. the presence of the aggrecate function is important, all queries seem to work, without the aggregate function How to repeat: # this works create table r1 (a int); inse...
Hologres报错ERROR: duplicate key value violates u...报错信息：ERROR: duplicate key value violates ...
CONSTRAINT project_tag_uk UNIQUE (user_id, tag) ); # first transaction START TRANSACTION; INSERT INTO `user_tag` (`user_id`, `tag`) VALUES (1, 'user1_tag1'); # Run second time to get duplicate key error INSERT INTO `user_tag` (`user_id`, `tag`) ...