[ Version ( since = "4.2" ) ]
public void join_add_field (SqlBuilderId join_id, string field_name)
Alter a join in a SELECT statement to make its condition use equal field values in the fields named field_name in both
tables, via the USING keyword.
| this |
a SqlBuilder object |
| join_id |
the ID of the join to modify (not 0) |
| field_name |
the name of the field to use in the join condition (not null) |