Executes a selection command on the given connection.
This function returns a DataModel resulting from the SELECT statement, or null if an error occurred.
This function is just a convenience function around the statement_execute function.
See the documentation of the statement_execute for information about
the params list of parameters.
| this |
a Connection object. |
| stmt |
a Statement object. |
| params |
a Set object (which can be obtained using get_parameters), or null |
|
a DataModel containing the data returned by the data source, or null if an error occurred |