How many entries can we put in the select options

Question

Hi all,
As per  my requirement I am trying to store the data in the select-option( s_kunnt)  as below
select kunnr from kna1 into (l_kunnr) where
            and spart in p_spart.
  move 'I'         to s_kunnr-sign.
  move 'BT'        to s_kunnr-option.
  move l_kunnr to s_kunnr-low.
  move l_kunnr  to s_kunnr-high.
  append s_kunnr.
endselect.
Using s_kunnr in the select statement to fetch the data.
When the customer numbers are more than 1800 in the s_kunnr, select statment going to the dump. Is number of entries in the select options are restricted for some count( around 1800)?.
How many entries can we put in the select options?
Thanks
Regards
Raj.

Answer 1

Firstly, there is an error in your code. You should do the following instead:
move 'I' to s_kunnr-sign.
move 'EQ' to s_kunnr-option.
move l_kunnr to s_kunnr-low.
append s_kunnr.
To answer your original question, the limit depends on the field width you are using in the ranges. If the field width is small, you can have thousands of entries in the range table.
The limitation is in the length of the SQL statement string generated by the ABAP OPEN SQL engine. With the way I defined it above, the statement would have WHERE KUNNR IN ( 'value1', 'value2', 'value3'). With way you defined it, it would have WHERE KUNNR BETWEEN 'value1' and 'value1' and KUNNR BETWEEN 'value2' and 'value2'.
When the range table is so large that it results in a short dump, you should look into FOR ALL ENTRIES option of SQL.