SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function arrayJoin (alias readable_sizes) (children 1)
     ExpressionList (children 1)
      Literal Array_[\'1 B\', \'1 KiB\', \'1 MiB\', \'1 GiB\', \'1 TiB\', \'1 PiB\', \'1 EiB\']
    Function parseReadableSizeOrZero (alias filesize) (children 1)
     ExpressionList (children 1)
      Identifier readable_sizes
