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https://dev.mysql.com/doc/refman/8.0/en/performance-schema-transaction-tables.html
Configuring Transaction Event Collection Transaction Boundaries Transaction Instrumentation Transactions and Nested Events Transactions and Stored Programs Transactions and Savepoints Transactions and Errors Configuring Transaction Event Collection ...Within the event hierarchy, wait events nest within stage events, which nest within statement events, which nest within transaction ...
https://dev.mysql.com/doc/refman/8.0/en/query-log.html
The general query log can be very useful when you suspect an error in a client and want to know exactly what the client sent to mysqld. Note If you specify the TABLE log destination, see Log Tables and “Too many open files” Errors. An ... The ...
https://dev.mysql.com/doc/refman/8.0/en/repair-table.html
Possible causes include but are not limited to file system errors. In this case, the result set returned by REPAIR TABLE contains a line with a Msg_type value of error and a Msg_text value of Failed repairing incompatible .FRM file. Column Value ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-transaction-inconsistencies.html
If the error is in a mixed transaction, that transaction is half-applied. When using a multithreaded replica, workers which have not received an error complete their queues, so it may take time to stop all threads. This ensures it never leaves gaps ... Inconsistencies in the sequence of transactions that have been executed from the relay log can occur depending on your replication ...
https://dev.mysql.com/doc/refman/8.0/en/replication-privilege-checks-recover.html
Details of the error and the last applied transaction are recorded in the Performance Schema replication_applier_status_by_worker table. Follow this procedure to recover from the error: Identify the replicated event that caused the error and verify ... If a privilege check against the PRIVILEGE_CHECKS_USER account fails, the transaction is not executed and replication stops for the ...
https://dev.mysql.com/doc/refman/8.0/en/temporary-table-problems.html
For example, the following does not work: SELECT * FROM temp_table JOIN temp_table AS t2; The statement produces this error: ERROR 1137: Can't reopen table: 'temp_table' You can work around this issue if your query permits use of a common table ...
https://dev.mysql.com/doc/refman/8.0/en/upgrade-binary-package.html
In this case, you should remove all redo log files, start your MySQL 5.7 server on the same data directory, and fix the cause of any errors. For example: mysqladmin -u root -p shutdown mysqld_safe --user=mysql --datadir=/path/to/existing-datadir & ... This section describes how to upgrade MySQL binary and package-based installations on ...
https://dev.mysql.com/doc/refman/8.0/en/using-encrypted-connections.html
If the server automatically enables encrypted connection support, it writes a note to the error log. If the server discovers that the CA certificate is self-signed, it writes a warning to the error log. By default, the RELOAD TLS action rolls back ... Several configuration parameters are available to indicate whether to use encrypted connections, and to specify the appropriate certificate and key ...
https://dev.mysql.com/doc/refman/8.0/en/with.html
(If no CTE refers to itself, RECURSIVE is permitted but not required.) If you forget RECURSIVE for a recursive CTE, this error is a likely result: ERROR 1146 (42S02): Table 'cte_name' doesn't exist The recursive CTE subquery has two parts, separated ... A common table expression (CTE) is a named temporary result set that exists within the scope of a single statement and that can be referred to later within that statement, possibly multiple ...
https://dev.mysql.com/doc/refman/8.0/en/x-plugin-connection-compression.html
required: Compression algorithm negotiation occurs as for preferred mode, but if no common algorithm is available, the connection request terminates with an error. If the compression mode is required but no algorithm permitted on the client side is ... From MySQL 8.0.19, X Plugin supports compression of messages sent over X Protocol ...