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https://dev.mysql.com/doc/c-api/8.4/en/mysql-stmt-store-result.html
int mysql_stmt_store_result(MYSQL_STMT *stmt) Description Result sets are produced by calling mysql_stmt_execute() to executed prepared statements for SQL statements such as SELECT, SHOW, DESCRIBE, and EXPLAIN. By default, result sets for ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-store-result.html
After invoking mysql_real_query() or mysql_query(), you must call mysql_store_result() or mysql_use_result() for every statement that successfully produces a result set (SELECT, SHOW, DESCRIBE, EXPLAIN, CHECK TABLE, and so forth). MYSQL_RES * ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-thread-id.html
To get the connection ID, execute a SELECT CONNECTION_ID() query and retrieve the result. unsigned long mysql_thread_id(MYSQL *mysql) Description Returns the thread ID of the current connection. This value can be used as an argument to mysql_kill() ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-use-result.html
MYSQL_RES * mysql_use_result(MYSQL *mysql) Description After invoking mysql_real_query() or mysql_query(), you must call mysql_store_result() or mysql_use_result() for every statement that successfully produces a result set (SELECT, SHOW, DESCRIBE, ...You must also call mysql_free_result() after you are done with the result ...
https://dev.mysql.com/doc/c-api/8.4/en/query-results.html
In addition to the result set returned by a query, you can also get the following information: mysql_affected_rows() returns the number of rows affected by the last query when doing an INSERT, UPDATE, or DELETE. With mysql_store_result(), ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/adding-loadable-function.html
The MySQL interface for loadable functions provides the following features and capabilities: Functions can return string, integer, or real values and can accept arguments of those same types. You can define simple functions that operate on a single ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/services-for-plugins.html
MySQL server plugins have access to server “plugin services.” The plugin services interface exposes server functionality that plugins can call. It complements the plugin API and has these characteristics: Services enable plugins to access code ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/using-own-protocol-trace-plugins.html
mysql> SELECT 1; Trace event received: stage 4, event 12 Trace event received: stage 4, event 16 ... Note To use your own protocol trace plugins, you must configure MySQL with the WITH_TEST_TRACE_PLUGIN CMake option disabled because only one ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/writing-keyring-plugins.html
MySQL Server supports a keyring service that enables internal server components and plugins to securely store sensitive information for later retrieval. This section describes how to write a server-side keyring plugin that can be used by service ...
https://dev.mysql.com/doc/ndb-operator/8.4/en/tasks-access-within-k8s.html
mysql> SELECT * FROM INFORMATION_SCHEMA.ENGINES > WHERE ENGINE LIKE "ndb%"\G *************************** 1. An application running inside the Kubernetes Cluster can use these extracted information and can access the data in MySQL Cluster without ...