SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 6)
    Identifier s1.something
    Identifier s2.something
    Identifier count_a
    Identifier count_b
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier s1.something
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier s2.something
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (alias s1) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 2)
           Identifier something
           Function count (alias count_a) (children 1)
            ExpressionList
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier table_a
          ExpressionList (children 1)
           Identifier something
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      Subquery (alias s2) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 2)
           Identifier something
           Function count (alias count_b) (children 1)
            ExpressionList
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier table_b
          ExpressionList (children 1)
           Identifier something
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier s1.something
        Identifier s2.something
   ExpressionList (children 3)
    OrderByElement (children 1)
     Identifier count_a
    OrderByElement (children 1)
     Identifier something
    OrderByElement (children 1)
     Identifier s2.something
