DataSourceHandle :: Connect - Connect DataSourceHandle to server
The function connects the DataSourceHandle to a server. The server name (server_name) and port number (port_number) must be defined in the DataSourceHandle before calling this function.
If no client object (odaba_client) is passed a client object is created when a server is defined. If no server name is defined the function does not try to connect.
Return value:  Success ( logical  )
Implementation overview
-  - internal feature (not documented)
 DataSourceHandle :: Connect ( client_refc )
-  - internal feature (not documented)
 DataSourceHandle :: Connect (  )
Implementation details
- 
- internal feature (not documented)
 logical DataSourceHandle  :: Connect ( ODABAClient &client_refc )
 - client_refc - Reference to client handle
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