topic Re: Internal table in Application Development and Automation Discussions

Internal table

Former Member — Thu, 11 Dec 2008 11:39:57 GMT

Moderator message: please use an informative subject for your questions

Hi All,

I have an internal table with 2 fields h1 and h2. I need to have a count of entries in my internal table for each value of h1.

INTERNAL TABLE:

h1 h2

x1 1

x2 2

x1 1

x3 1

x2 3

RESULT:

h1 h2

x1 2

x2 2

x3 1

Please help...

Edited by: Matt on Dec 11, 2008 2:37 PM

Re: Internal table

Former Member — Thu, 11 Dec 2008 11:42:27 GMT

Hi,

U can loop the internal table with the coditions like h1 = x1 then increment the count like that.

Re: Internal table

Former Member — Thu, 11 Dec 2008 11:42:39 GMT

Hi Dinesh,

Sort your table

add one more field in the table like count and assign 1 to each of it and modify your table

then

loop at itab

use COLLECT key word ( this sums up your newly added count column based on first field)

endloop

Best Regards

Ramchander Rao.K

Edited by: ramchander krishnamraju on Dec 11, 2008 12:42 PM

Re: Internal table

Mohamed_Mukhtar — Thu, 11 Dec 2008 11:53:34 GMT

HI ,

See the following pseudo code , might be helpful to you.

TYPES : BEGIN OF ty_itab,
        h1(2),
        h2 TYPE i,
        count TYPE i,
        END OF ty_itab.

DATA : it_itab TYPE TABLE OF ty_itab,
       wa_itab TYPE ty_itab.

wa_itab-h1 = 'X1'.
wa_itab-h2 = 1.
wa_itab-count = 1.
APPEND wa_itab TO it_itab.

wa_itab-h1 = 'X2'.
wa_itab-h2 = 2.
wa_itab-count = 1.
APPEND wa_itab TO it_itab.

wa_itab-h1 = 'X1'.
wa_itab-h2 = 1.
wa_itab-count = 1.
COLLECT wa_itab INTO it_itab.

wa_itab-h1 = 'X3'.
wa_itab-h2 = 1.
wa_itab-count = 1.
APPEND wa_itab TO it_itab.

wa_itab-h1 = 'X2'.
wa_itab-h2 = 3.
wa_itab-count = 1.
COLLECT wa_itab INTO it_itab.


LOOP AT it_itab INTO wa_itab.
  WRITE :/ wa_itab-h1 , wa_itab-h2 , wa_itab-count.

ENDLOOP.

Thanks & Regards

Re: Internal table

Former Member — Thu, 11 Dec 2008 11:55:02 GMT

Hi,

first sort the internal table by the first field h1.

then loop at itab. Use collect statment to sum the number of records for each h1 , for this create a second itab which has h1, as key field, and rec_count (this should be type i ) .

regards,

Advait

Re: Internal table

Former Member — Thu, 11 Dec 2008 12:00:07 GMT

Hi Dina,

The following snippet will work for your logic.

int_tab-Source table.

h1         h2
x1          1
x1          1
x2          2
x2          3
x3          1

int_tab1-Target table.

h1         h2
x1          2
x2          2
x3          1

SORT int_tab BY h1.
LOOP AT int_tab INTO wa_tab.
  w_count = w_count + 1.
  AT END OF h1.
    wa_tab1-h1 = wa_tab-h1.
    wa_tab1-h2 = w_count.
    CLEAR w_count.
    APPEND wa_tab1 TO int_tab1.
  ENDAT.
ENDLOOP.

Hope this will help you.

Regards,

Manoj Kumar P

Re: Internal table

kesavadas_thekkillath — Thu, 11 Dec 2008 12:02:44 GMT

sort itab by h1.

data: cnt type i.

loop at itab.

at end of h1.

read table itab index sy-tabix.

write itab-h1.

write cnt.

cnt = 0.

skip 1.

endat.

cnt = cnt + 1.

endloop.

Re: Internal table

Former Member — Thu, 11 Dec 2008 12:22:00 GMT

Hi Dina,

As per my understanding you have to get the number of entries for each value of h1.

data : w_line type i value 1 .

sort it_itab ascending by h1.

LOOP AT it_itab INTO wa_itab.

at end of h1.

WRITE 😕 wa_itab-h1 ,w_line.

clear w_line.

endat.

w_line = w_line + 1 .

ENDLOOP.

it works,

Regards,

Aby.

Re: Internal table

matt — Thu, 11 Dec 2008 13:38:23 GMT

Please use an informative subject for your questions

Re: Internal table

Former Member — Mon, 15 Dec 2008 08:39:07 GMT

Could you please tell me how I can use the collect statement here

Use collect statment to sum the number of records for each h1 , for this create a second itab which has h1, as key field, and rec_count (this should be type i ) .

I have used it as COLLECT wa_itab into it_itab. but this doesnt seem to work!

Edited by: Dina Dinesh on Dec 15, 2008 9:39 AM

Re: Internal table

Former Member — Mon, 15 Dec 2008 08:55:34 GMT

Try this out.

DATA : BEGIN OF itab OCCURS 0,

h1(2),

h2(1)," TYPE i,

COUNT TYPE I,

END OF itab.

itab-h1 = 'X1'.

itab-h2 = 1.

APPEND itab.

CLEAR itab.

itab-h1 = 'X2'.

itab-h2 = 2.

APPEND itab.

CLEAR itab.

itab-h1 = 'X1'.

itab-h2 = 1.

APPEND itab.

CLEAR itab.

itab-h1 = 'X3'.

itab-h2 = 1.

APPEND itab.

CLEAR itab.

itab-h1 = 'X2'.

itab-h2 = 3.

APPEND itab.

CLEAR itab.

itab-h1 = 'X1'.

itab-h2 = 1.

APPEND itab.

CLEAR itab.

SORT ITAB.

DATA COUNT TYPE I.

LOOP AT itab.

ON CHANGE OF ITAB-H1.

CLEAR COUNT.

ENDON.

COUNT = COUNT + 1.

ITAB-COUNT = COUNT.

MODIFY ITAB INDEX SY-TABIX.

ENDLOOP.

SORT ITAB BY H1 COUNT DESCENDING.

DELETE ADJACENT DUPLICATES FROM ITAB COMPARING H1.

IF sy-subrc IS INITIAL.

loop at itab.

write 😕 itab-h1, itab-count.

endloop.

ENDIF.

if you still have any problem please comeup

Regards

Ram

Edited by: ramchander krishnamraju on Dec 15, 2008 9:57 AM

Re: Internal table

Former Member — Mon, 15 Dec 2008 10:13:29 GMT

Source :

h1 h2

x1 1

x2 2

x1 1

x3 1

x2 3

I do not want to delete duplicates but display

it as result:

h1 h2 count

x1 1 2

x2 2 2

x2 3 2

x3 1 1

I used the algorith you had suggested and got the result as

h1 h2 count

x1 1 1

x1 1 2

x2 2 1

x2 3 2

x3 1 1

Is there a possibility to get a maximum

of the count for each value of h1 and update the internal table

Re: Internal table

Former Member — Wed, 17 Dec 2008 13:26:08 GMT

Hi Manoj, I tried this but the AT END OF h1 doesnt seem to work correctly. Can you help?

Re: Internal table

Former Member — Wed, 17 Dec 2008 13:46:38 GMT

Hi,

Check this :


types : begin of t_table
            h1(2) type c,
            h2 type i,
end of t_table.

data gt_1 type standard table of t_table,
       gt_2 type standard table of t_table with key h1,
       gwa.

"fill data in the itab

"Sort the itab by h1.
sort gt_1 by h1.

"Collect the data into second table.
loop at gt_1 into gwa.
 collect gwa into gt_2.  "Since h1 is the key field in the gt_2, the collect will sum up for unique h1 values 

endloop.

regards,

Advait

Edited by: Advait Gode on Dec 17, 2008 2:47 PM

Re: Internal table

Former Member — Wed, 17 Dec 2008 14:20:25 GMT

Hi Dina,

Now I understood your requirement.

So your input is as follows:

Input:(int_tab)


h1          h2         count
x1          1           0
x2          2           0
x1          1           0
x3          1           0
x2          3           0

Here is the logic:


SORT int_tab BY h1.
LOOP AT int_tab INTO wa_tab.

  w_count = w_count + 1."Increment the count for each entry and clear at last
  wa_tab-count =  w_count.

  MODIFY int_tab FROM wa_tab INDEX sy-tabix 
  TRANSPORTING count. "Change the existing count

  AT END OF h1.
    CLEAR w_count. "Clear the count at the end of each h1
  ENDAT.
ENDLOOP.

output:(int_tab)


h1          h2         count
x1          1           1
x1          1           2
x2          2           1
x2          3           2
x3          1           1

Regards,

Manoj Kumar P

Edited by: Manoj Kumar on Dec 17, 2008 3:21 PM