SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function bitmapMin (children 1)
     ExpressionList (children 1)
      Function bitmapBuild (children 1)
       ExpressionList (children 1)
        Function emptyArrayUInt64 (children 1)
         ExpressionList
