数据库中主键的设置跟 primary key 定义的一样不?
Best, Hailong 在 2020-11-23 13:15:01,"赵一旦" <[email protected]> 写道: >如题,按照官方文档,当mysql表定义了primary key的时候,会使用UpsertTableSink,并且会使用insert on >duplicate方式写入。 > >但我在使用中,发现报了 duplicate entry的错误。例如: >Caused by: com.mysql.jdbc.exceptions.jdbc4. >MySQLIntegrityConstraintViolationException: Duplicate entry >'2036-feed_landing_box_news-2000-202011231405' for key 'uniq_ssmt' > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) > at sun.reflect.NativeConstructorAccessorImpl.newInstance( >NativeConstructorAccessorImpl.java:62) > at sun.reflect.DelegatingConstructorAccessorImpl.newInstance( >DelegatingConstructorAccessorImpl.java:45) > at java.lang.reflect.Constructor.newInstance(Constructor.java:423) > at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) > at com.mysql.jdbc.Util.getInstance(Util.java:386) > at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1041) > at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4190) > at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4122) > at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2570) > at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2731) > at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2818) > at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement >.java:2157) > at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement >.java:2460) > at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement >.java:2377) > at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement >.java:2361) > at com.mysql.jdbc.PreparedStatement.executeBatchedInserts( >PreparedStatement.java:1793) > >(2) >此外,还有个小奇怪点,202011231405的数据,其他该时间的数据都在06分输出了(我设置了1min的maxOutOfOrder)。 >但这个冲突的entry是在14.11分那一波才报错的。
