SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Function toStartOfMonth (alias d) (children 1)
     ExpressionList (children 1)
      Identifier date
    Identifier i
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t_read_in_order
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier d
    OrderByElement (children 1)
     Identifier i
   Literal UInt64_5
