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https://dev.mysql.com/doc/refman/9.7/en/innodb-online-ddl-limitations.html
A long running or inactive transaction that holds a metadata lock on the table can cause an online DDL operation to timeout. When running an in-place online DDL operation, the thread that runs the ALTER TABLE statement applies an online log of DML ... The following limitations apply to online DDL operations: The table is copied when creating an index on a TEMPORARY ...
https://dev.mysql.com/doc/refman/9.7/en/server-configuration.html
The MySQL server, mysqld, has many command options and system variables that can be set at startup to configure its operation. To determine the default command option and system variable values used by the server, execute this command: $> mysqld ...
https://dev.mysql.com/doc/connectors/en/connector-net-async-methods.html
Requirements Async-Await support requires .NET Framework 4.5 or later TAP support requires .NET Framework 4.0 or later MySQL Connector/NET 6.9 or later Methods The following methods can be used with either TAP or Async-Await. private async void ...
https://dev.mysql.com/doc/connector-net/en/connector-net-async-methods.html
Requirements Async-Await support requires .NET Framework 4.5 or later TAP support requires .NET Framework 4.0 or later MySQL Connector/NET 6.9 or later Methods The following methods can be used with either TAP or Async-Await. private async void ...
https://dev.mysql.com/doc/internals/en/debug-sync-point.html
open_tables(...) DBUG_SYNC_POINT("debug_lock.after_open_tables", 10); lock_tables(...) The synchronization points behave similar to RELEASE_LOCK(<whatever the thread has>); IS_FREE_LOCK(str) OR (GET_LOCK(str,timeout) AND RELEASE_LOCK(str)) This ...
https://dev.mysql.com/doc/internals/en/syntax-debug-sync-values.html
The string to "assign" to the DEBUG_SYNC variable can contain: {RESET | <sync point name> TEST | <sync point name> CLEAR | <sync point name> {{SIGNAL <signal name> | WAIT_FOR <signal name> [TIMEOUT <seconds>] [NO_CLEAR_EVENT]} [EXECUTE <count>] &| ...This means that one of the sections separated by '&|' must be present or both of ...
https://dev.mysql.com/doc/ndbapi/en/ndb-error-classifications.html
The following table lists the classification codes used for NDB API errors, and their descriptions. These can also be found in the file /storage/ndb/src/ndbapi/ndberror.cpp (NDB 7.6 and earlier: ndberror.c). Table 2.83 Classification codes for NDB ...
https://dev.mysql.com/doc/ndbapi/en/ndb-error-codes.html
This section contains a number of error code lists, one for each type of NDB API error. The text of the error message Similar errors have been grouped together in each list. You can always obtain the latest error codes and information from the file ...
https://dev.mysql.com/doc/ndbapi/en/ndb-ndberror.html
This section provides information about the NdbError data structure, which contains status and other information about errors, including error codes, classifications, and messages. NdbError Overview NdbError::Classification NdbError::Status ...
https://dev.mysql.com/doc/relnotes/connector-net/en/news-9-3-0.html
(Bug #117258, Bug #37513445) Timeout testing for Connector/NET used non-existing server addresses, which caused unexpected behaviors. Functionality Added or Changed Bugs Fixed Functionality Added or Changed The following are the updated version ...