SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_23634
   Function equals (children 1)
    ExpressionList (children 2)
     Function tuple (children 1)
      ExpressionList (children 3)
       Identifier id
       Identifier s
       Identifier s1
     Function tuple (children 1)
      ExpressionList (children 3)
       Function CAST (children 1)
        ExpressionList (children 2)
         Literal NULL
         Literal \'Nullable(String)\'
       Function CAST (children 1)
        ExpressionList (children 2)
         Literal NULL
         Literal \'Nullable(String)\'
       Function CAST (children 1)
        ExpressionList (children 2)
         Literal NULL
         Literal \'Nullable(String)\'
   ExpressionList (children 3)
    OrderByElement (children 1)
     Identifier id
    OrderByElement (children 1)
     Identifier s1
    OrderByElement (children 1)
     Identifier s1
