open_async
Description:
This function requests that the connection be opened.
If the connection is already opened, then this function returns an error (with the gda_connection_already_opened_error code).
Note: callback function will be called when processing events from the
MainContext defined by set_main_context, for example when
there is a main loop for that main context.
Parameters:
| this |
a Connection object |
| callback |
a ConnectionOpenFunc which will be called after the connection has been opened (of failed to open) |
| data |
data to pass to |
Returns:
|
a job ID |