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https://dev.mysql.com/doc/internals/en/risky-handling-around-additional-sessions.html
This is most probably good for the throughput of usual application but has some annoying consequences for the development of tests. If a disconnect <connection> or KILL <connection_id> or --exec <client program which connects to the server> occurs ...
https://dev.mysql.com/doc/internals/en/transactions-current-situation.html
The normal transaction is started by the user and is usually completed by a user request as well. Nowadays a statement transaction is started for each statement that accesses transactional tables or uses the binary log. Commits of statement ...
https://dev.mysql.com/doc/internals/en/variation-of-protocol-option.html
We have a lot of tests running very similar and extremely simple SQL just for the creation of a situation to be tested, check of table content, etc. It is usual to run tests with and without the mysql-test-run.pl startup option "--ps-protocol". And ...
https://dev.mysql.com/doc/ndbapi/en/mgm-structures.html
int is_single_user: The node ID of the API or SQL node having exclusive access when the cluster is in single user mode. int is_single_user: The node ID of the API or SQL node having exclusive access when the cluster is in single user mode. This ...
https://dev.mysql.com/doc/ndbapi/en/ndb-errors-handling.html
By default, read operations are run with AO_IgnoreError, and write operations are run with AbortOnError, but this can be overridden by the user. If an error is ignored due to AO_IgnoreError being set on the operation, the execute() method returns a ... Abstract This section describes how NDB API errors can be detected and mapped onto particular ...
https://dev.mysql.com/doc/relnotes/connector-cpp/en/news-8-2-0.html
This includes adding spans for preparing and executing prepared statements, and adding connection span attributes such as db.user. WebAuthn authentication enables users to authenticate to MySQL Server using WebAuthn-aware devices based on either the ... Packaging Notes Functionality Added or Changed Packaging Notes The MSI package definition files have been updated to work with the Windows Installer XML Toolset (WiX) version ...
https://dev.mysql.com/doc/relnotes/connector-odbc/en/news-9-2-0.html
(WL #16646) Bugs Fixed The user defined traceparent query attribute in an OpenTelemetry instrumented application was not sent to the server, which resulted in user (or connector) generated OpenTelemetry spans to not associate with the corresponding ... Functionality Added or Changed Bugs Fixed Functionality Added or Changed Added a new WEBAUTHN_DEVICE_NUMBER connection option that is passed to and interpreted by the WebAuthN authentication ...
https://dev.mysql.com/doc/relnotes/connector-python/en/news-8-0-16.html
An example connection string: mysqlx://user:password@host:33060/schema?connection-attributes=[foo=bar,baz=qux,quux] Application-defined attribute names cannot begin with _ because such names are reserved for internal attributes. (WL #12225) Bugs ...
https://dev.mysql.com/doc/mysql-monitor/8.0/en/mem-acl-sm-permissions.html
This section describes the Monitoring Services section of the Edit Role page. Figure 23.2 Monitoring Services Permissions Agent Services Access This permission is for use by Agent Roles only. Read-Only: Agent has access to the MySQL Enterprise ...
https://dev.mysql.com/doc/mysql-monitor/8.0/en/mem-advanced-inventory-using.html
As a result, if the network topology changes frequently, the inventory and the MySQL Enterprise Monitor User Interface may contain many unused or obsolete assets. Important To delete a host which is currently monitored, you must first, in the MySQL ... The Inventory page enables you to view the details of all assets stored in the repository, and to delete obsolete or unused ...