DataBlade API Programmer's Manual Chapter 12: DataBlade API Function Descriptions

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mi_integer mi_retrieve_callback(conn, event_type, handle, func, user_data)

		MI_CONNECTION *conn;

		MI_EVENT_TYPE event_type;

		MI_CALLBACK_HANDLE *handle;

		MI_CALLBACK_FUNC *func;

		void **user_data; 


conn
is the connection descriptor. In the database server, conn must be NULL for the following event types:

MI_EVENT_END_STMT

MI_EVENT_END_SESSION

MI_Xact_State_Change

event_type
is the type of event that is handled by the callback.

handle
is the callback handle from mi_register_callback().

func
is a pointer to the location at which to return a pointer to the callback function.

user_data
is the user-supplied argument to the called function.





 



Valid in Client Application?

Valid in Server Routine?

Yes
Yes