SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier fill
   ExpressionList (children 2)
    OrderByElement (children 3)
     Identifier date
     Function toDate (children 1)
      ExpressionList (children 1)
       Literal \'2019-05-01\'
     Literal Int64_-2
    OrderByElement (children 4)
     Identifier val
     Literal UInt64_10
     Literal Int64_-5
     Literal Int64_-3
