CreateQuery mv (children 3)
 Identifier mv
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 4)
     Identifier u.uid
     Identifier u.name
     Identifier u.gid
     Identifier u.gname
    TablesInSelectQuery (children 2)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier users (alias u)
     TablesInSelectQueryElement (children 2)
      TableExpression (children 1)
       TableIdentifier groups_dict (alias g)
      TableJoin (children 1)
       ExpressionList (children 2)
        Identifier gid
        Identifier gname
 ViewTargets
