SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function bitmapToArray (children 1)
     ExpressionList (children 1)
      Function subBitmap (children 1)
       ExpressionList (children 3)
        Function bitmapBuild (children 1)
         ExpressionList (children 1)
          Literal Array_[UInt64_1, UInt64_5, UInt64_7, UInt64_9]
        Function toUInt8 (children 1)
         ExpressionList (children 1)
          Literal UInt64_0
        Function toUInt32 (children 1)
         ExpressionList (children 1)
          Literal UInt64_4