SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList (children 1)
      Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier bitmap_test
   Function equals (children 1)
    ExpressionList (children 2)
     Literal UInt64_0
     Function bitmapContains (children 1)
      ExpressionList (children 2)
       Subquery (children 1)
        SelectWithUnionQuery (children 1)
         ExpressionList (children 1)
          SelectQuery (children 3)
           ExpressionList (children 1)
            Function groupBitmapState (children 1)
             ExpressionList (children 1)
              Identifier uid
           TablesInSelectQuery (children 1)
            TablesInSelectQueryElement (children 1)
             TableExpression (children 1)
              TableIdentifier bitmap_test
           Function equals (children 1)
            ExpressionList (children 2)
             Identifier pickup_date
             Literal \'2019-01-01\'
       Identifier uid