SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier function_pk
   ExpressionList (children 1)
    OrderByElement (children 1)
     Function tuple (children 1)
      ExpressionList (children 2)
       Identifier A
       Function negate (children 1)
        ExpressionList (children 1)
         Identifier B
   Literal UInt64_3
   Set
