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https://dev.mysql.com/doc/connector-python/en/connector-python-opentelemetry.html
Instrumentation For instrumenting an application, Connector/Python utilizes the official OpenTelemetry SDK to initialize OpenTelemetry, and the official OpenTelemetry API to instrument the application's code. Connection Span Time from connection ...
https://dev.mysql.com/doc/internals/en/authentication-after-com-change-user-command.html
Similar to the initial authentication the server may reply with a OK_Packet or ERR_Packet for the usual fast-path or with a Authentication Method Switch Request Packet which contains the authentication method used for the new account and the first ... During Command Phase, a client can send a COM_CHANGE_USER command which will trigger logging into a new account, including the authentication ...
https://dev.mysql.com/doc/internals/en/authentication-fails.html
Server indicates that client is not permitted to connect by sending ERR_Packet.
https://dev.mysql.com/doc/internals/en/class-procedure-constructor.html
To initialize your derived procedure object you have to pass on the select_result pointer the init callback was called with to the base class constructor together with a flag parameter which specifies what kind of procedure you are going to ...
https://dev.mysql.com/doc/internals/en/connection-phase.html
After initial handshake, server informs client about the method to be used for authentication (unless it was already established during the handshake) and the authentication exchange continues until server either accepts connection by sending an ...
https://dev.mysql.com/doc/internals/en/handler-instantiation.html
Here is an example from the FEDERATED storage engine: ha_federated::ha_federated(TABLE *table_arg) :handler(&federated_hton, table_arg), mysql(0), stored_result(0), scan_flag(0), ref_length(sizeof(MYSQL_ROW_OFFSET)), current_position(0) {} And ...
https://dev.mysql.com/doc/internals/en/innodb-page-header.html
The PAGE_FREE pointer in the page header points to the first record in the list. The "next" pointer in the record header (specifically, in the record's Extra Bytes) points to the next record in the list. PAGE_DIRECTION and PAGE_N_DIRECTION: It's ...
https://dev.mysql.com/doc/internals/en/insufficient-client-capabilities.html
Server's default authentication method used to generate authentication data in the Initial Handshake Packet is different from Secure Password Authentication and client does not support pluggable authentication (CLIENT_PLUGIN_AUTH flag not set). In ... Server will reject connection with ERR_Packet if it discovers that client capabilities are not sufficient to complete ...
https://dev.mysql.com/doc/internals/en/libmysql-directory.html
The files here are for producing MySQL as a library (for example, a Windows DLL). The idea is that, instead of producing separate mysql (client) and mysqld (server) programs, one produces a library. Instead of sending messages, the client part ...
https://dev.mysql.com/doc/internals/en/select-steps.html
Every select is performed in these base steps: JOIN::prepare Initialization and linking JOIN structure to st_select_lex. fix_fields() for all items (after fix_fields(), we know everything about item).