Fetching data slow from MSEG and BSEG table

Dear Experts,
Out MSEG and BSEG are major tables which are very slow and taking 5-10 minutes in fetching just 20/30 records.
Why this table taking more time and how I can fatch fast data from these table.
regards

> Out MSEG and BSEG are major tables which are very slow and taking 5-10 minutes in fetching just 20/30 records.
> Why this table taking more time and how I can fatch fast data from these table.
Do you select on key fields or on indexed fields? How do you select?
If not, then the database must read the full table and check which of the entries are valid for your selection.
Do an SQL trace using ST05, run the command, stop the trace and check the explain.
Markus

Similar Messages

From Mseg to Bseg ( table linking )

Hai gurus ,,
        I am doing Goods Reciept Register.
     I need a small table linking   from Mseg to Bseg.
( If suppose from Bseg to mseg mean we can Fetch the data like
select '.. . . .
where
Mseg-mblnr = bseg-awkry+0(10).
In Bseg-awkey first 10 No. will be Material DOcu No.
But how to fetch the data from Mseg to Bseg..
Plz send the code Its too urgent.

hi this is the relation between the keyfiels of these tables...
mesg    bseg
where condition...
it_mseg-parbu = it_bseg-BUKRS
it_mseg-MBLNR = it_bseg-BELNR
it_mseg-MJAHR = it_bseg-GJAHR
it_mseg-BUZEI   = it_bseg-BUZEI
reward points if useful,
venkat.
Edited by: venkat appikonda on Mar 29, 2008 1:56 PM

Data needed from emp and dept tables

Wondering if somebody can querry the emp table and dept table that comes with some versions of oracle already built in.
I need the data produced from these two querries
select * from emp
select * from dept

If you look in ORACLE_HOME/sqlplus/demo you'll find demobld.sql which contains the script the build all the scott tables.

Data retrieval from proj and prps tables

I want to retrieve the data from proj & prps by giving selection parameter as
project defination (proj-pspid). Please give me an idea about this. Is there any common field i between these two.
regards

Hello,
Check this:
*--- Selektion von PSP-Elemente
SELECT PRPS~PSPNR PROJ~PSPID PRPS~POSID PRPS~POST1
         PRPS~OBJNR PRPS~PSPHI
     INTO TABLE G_T_PSP
     FROM PRPS
     JOIN PROJ   ON PRPS~PSPHI = PROJ~PSPNR
     WHERE PROJ~PSPID IN SO_PROJ
       AND PROJ~LOEVM EQ SPACE
       AND POSID      IN SO_PSP
       AND PRART      IN SO_PRART
       AND PRPS~LOEVM EQ SPACE
       AND PRPS~PBUKR IN SO_PBUKR.
Regards,
Vasanth

Data recovery from BSIS and BSAS tables

Hi all,
The records in the tables BSIS and BSAS are deleted due to adhoc circumstances.
How do I recover this data in SAP?
Please help!!!
Thanks,
Raghav

Hello Raghav,
two possibilities without a complete restore (in a standard SAP environment):
1) Flashback Query (but it only works if your UNDO tablespace still contains all the data - parameter undo_retention):
http://docs.oracle.com/cd/E11882_01/appdev.112/e25518/adfns_flashback.htm#ADFNS01003
2) LogMiner
http://docs.oracle.com/cd/E11882_01/server.112/e22490/logminer.htm#i1005553
Regards
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Problem in Selecting the data from EKPO and KONV tables

Hi Experts,
Presently I am working on Report with Comparision-Sheet Between the vendor's Quotations. I have to display the Discount, Freight, Packing and Forwarding, Vat in Item level data based on the conditions made in PO.
As per my Knowledge, Condition Types are stored in KONV Table. But there is no relation between KONV and EKPO tables. So, I am unable to print the data for Discount, Freight, Packing and Forwarding, Vat... How can I get the values from EKPO and KONV tables?
Thanks in Advance.
Thanks n Regards,
Muralikrishna.

Don't recall if this is correct, but you may need the condition number from the header (EKKO) combined with EKPO-EBELP or other field as you key to access KONV (KNUMH and KPOSN). My site doesn't run PP, so can't verify if the data is actually stored that, so just a possibility.

Create a Logical Database Based on Mseg and Bseg

Hi,
how can i create a Logical database using bkpf,bseg,mkpf,mseg. i need to know , which table is a root node ?
could any one help me?
   Thanks

Hi Amit,
       While I am Creating the Logical Database by selection MKPF as root node, i have one problem.
   my selection-screen is,
    Plant Bseg-werks,
    G/Laccount Bseg-Hkont,
    Fin year bseg-gjahr,
    Grn Date Bkpf-Budat,
    Vendor No Bseg-lifnr,
    Po        Bseg-ebeln,
    MatNr     Bseg-matnr.
My LDB structure is
         MKPF
Mseg
BKPF
Bseg.
My Doubt is, how can I access the glaccount details from bseg and How can i fetch the data from Mseg and Mkpf
(Grn details) .
If you give the Source code it is very useful to me.
Thanks,
Neptune.M

Select Query info req for ZMKPFMSEG: View of MSEG and MKPF table

Hi
I am fetching 7-8 records frm ZMKPFMSEG: View of MSEG and MKPF table,which based on matnr,werks & budut,which is taking a large time,there is no index in the table,so can nay one tell me how to fetch the data,to make code more effictient.
SELECT budat
          matnr
          menge
          bwart
          meins
          bwtar
          waers
          dmbtr
          shkzg
          matkl
          FROM zmkpfmseg
          INTO CORRESPONDING FIELDS OF TABLE it_mseg
          WHERE budat GE r_ytd-low
            AND matnr IN so_matnr
            AND werks = p_werks
            AND lgort IN so_lgort
            AND matkl IN so_matkl.
plz tell me what changes have to be done in where condtion to make it run fast.
regds

Hi,
Try the alternate Methods,
ACCESS VIA SUBQUERY.
SELECT * FROM MKPF AS M INTO CORRESPONDING FIELDS OF SWAP
                                    WHERE BUDAT IN BUDAT AND
                                           MBLNR IN MBLNR AND
                                           VGART = 'WA' AND
                                           EXISTS ( SELECT * FROM MSEG
                                                    WHERE MBLNR = M~MBLNR
                                                    AND   MJAHR = M~MJAHR
                                                   AND   WERKS = P_WERKS
AND matnr IN so_matnr
AND lgort IN so_lgort
AND matkl IN so_matkl.
    APPEND SWAP.CLEAR SWAP.
ENDSELECT.
LOOP AT SWAP.
    SELECT * FROM MSEG
                             WHERE MBLNR = SWAP-MBLNR AND
                                    MJAHR = SWAP-MJAHR AND
      IF SY-SUBRC EQ 0.
        MOVE-CORRESPONDING SWAP TO ITAB.
        MOVE-CORRESPONDING MSEG TO ITAB.
        APPEND ITAB.CLEAR ITAB.
        CLEAR MSEG.
      ENDIF.
    ENDSELECT.
    CLEAR : SWAP,ITAB.
ENDLOOP.
Try this,
SELECT budat
matnr
menge
bwart
meins
bwtar
waers
dmbtr
shkzg
matkl
FROM zmkpfmseg
INTO CORRESPONDING FIELDS OF TABLE it_mseg
WHERE budat GE r_ytd-low
AND matnr IN so_matnr
AND lgort IN so_lgort
AND matkl IN so_matkl.
delete it_mseg where WERKS NE p_WERKS .
Reward Points if helpful.
Regards,
Balakumar.G

Oracle Assets Category-wise Report from FA and GL tables

Hi,
I am developing a customized report (Schedule of Fixed Assets) in the Oracle Assets Module, Which includes Category Wise Opening Balance, additions, adjustments, transfer IN, Transfer OUT and Retirements of Cost and Depreciations. I am using FA tables (FA_CATEGORY_BOOKS, FA_CATEGORIES_B) for category_id, category_name (segment1 of category combination) and book_type_code (Book Name). And I am also using GL tables (GL_BALANCES, GL_JE_HEADERS, GL_JE_LINES) for the amount of begin_balance_dr,begin_balance_cr,accounted_dr and accounted_cr.
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As functionally it is possible in Oracle Assets to have same asset_account_ccid or reserve_account_ccid for more than one category_ids, I want to know that is there any other attribute(except asset_account_ccid,reserve_account_ccid and code_combination_id) which can be used to get the separate data for each category_id from GL tables.
Regards,
Fahim
[email protected]

hi vijay,
thanks for your quick reply,
i'm preparing a reports,fields from bsis and bseg database tables,
and,my select statement giving error,saying that cluster table can't be joined,
my problem is,how to write the select statement without inner join those tables,is there any alternative,
i heard there is 'select for all entries',but i don't know proper usage of that addition,
regards,
kc

FBL5N t code and BSEG table is showing wrong contract number

Hi,
The proces flow is contract number>sales order>DMR-->Invoice
Now when I am checking the VBFA table it's showing correct contract number against invoices but FBL5N t code and BSEG table are showing wrong contract numbers.
Why FBL5N and BSEG table is showing wrong contract number?
Currently we are using one enhancement and user exit is used to incorporate one customized field as identifier for bill type.
1. During the billing document release to accounting VFX3, The user exit triggering and it is update the customized fields and Net settlement indicator.
2. Using the Invoice number, get the fields VGBEL(Document number of the reference document) and VGPOS (Item number of the reference item) from VBRP and read table VBAP with VBELN and POSNR, to get DMR number (Sales Document) that created for the Invoice.
3. Use fields VGBEL and VGPOS on table VBAP to get the sale order number.
4. By using the Sales order number, get the Distribution channel to update Net indicator field
In accounting table BSEG-UZAWE = JF must be updated on the customer line.
5. Retrieve the sale order number and item level to get customized field from table VBAP
Any pointers.
Thanks
Ashu

Hi Reazuddin,
Thanks for your reply,
I am concercerned about BSEG table and using user exit EXIT_SAPLV60B_008 to post the document in FI.
Now in we have enhanced this user exit for contracts and included in this way.
SELECT SINGLE ZZ_CONTRACT FROM VBAK INTO (LC_CONTRACT) WHERE VBELN EQ cvbrp-vgbel.
Endloop.
*Moving the values to final accounting table
loop at xaccit.
xaccit-vertn = lc_contract.
xaccit-VBEL2 = xaccit-AUBEL.
xaccit-xref3 = lc_vbel2.
MODIFY xaccit .
ENDLOOP.
Clear: lc_contract,lc_vgbel,lc_vgpos,lc_vbel2.
But I am getting correct data when checked other clients( development and quality), this problem I am getting in production.
Do I need to ask the ABAP'er to debug this enhancement in production?
Thanks
Ashutosh

Need to fetch the plant from route and country

Hi all,
I need to fetch the "plant" from "route" and "country".
is there any table having all the 3 fields, or any way to link these 3 fields ??
thanks
Sri

Hi Sri,
Try the COPA docs table CE1*
Regards,
Sandeep

To fetch XML files from database AND regarding barcodes

Hi !!
I am very new to this forum...this is my first mail to this forum...
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Thanks in ADVANCE,

PonJAVA wrote:
Hi !!
I am very new to this forum...this is my first mail to this forum...
1.) Actually I would like to know how to fetch XML files from databaseStart with a JDBC tutorial. Check out DAO Pattern and Hibernate as well.
and then how to get the datas from that XML files???Google Java & XML (there are many ways to do this
Right now i am using struts frame work...Okay...
If u anyone send some sample code for this one,it is Very helpful for me..... You haven't provided any detail regarding your task so there's no way anyone could post code for you.
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Link between Anep and bseg table.

How are ANEP and BSEG table related functionally? I am using the ANBTR field from ANEP table and retrieving the HKONT(G/L account) field from BSEG. I want to ask if entry for some assete exists in ANEP table then is it necessarty to have G/L account in BSEG table corresponding to this asset in ANEP. I am joining the two tables on BUKRS, BELNR, BUZEI and GJAHR fields.

Hi
For BSEG you cannot inner join. Its a cluster table and u dont have option to inner join. Instead take neccessary record in BSEG with valid condition.

How To UPLOAD a DATA (.DAT) fiel from PC to internal table and then split it into the data different columns

Hi all,
I am new to ABAP Development. I need to upload a .DAT file (the file doesn#t have any proper structure-- Please find the .DAT file in the attachment). After uploading the DATA (.DAT) fiel I need to split in into different columns. Refering the attached .DAT fiel the fields in bracets like:
[Arbeitstag], [Pecunia], [Mita], [Kunde], [Auftrag] and [Position] are different fields that need to be arranged in columns in an internal table. this .DAT fiel which I want to upload and then SPLIT it into various fields will will treated as MASTER DATA table for further programming. The program that I had written is as below. Also please refer the attached .DAT table.
Please if any one could help me. i searched a lot in different forums but couldn't find me a solution. Also note that the attached fiel is in text (.txt) format here but in real situation the same fiel is in DATA (.DAT) format.
*& Report ZDEMO_ZEITERFASSUNG9
REPORT ZDEMO_ZEITERFASSUNG9.
Types: Begin of ttab,
        Rec(1000) type c,
       End of ttab.
DATA: itab type table of ttab.
DATA: wa_tab type ttab.
DATA: file_str type string.
Parameters: p_file type localfile.
At selection-screen on value-request for p_file.
                                       CALL FUNCTION 'KD_GET_FILENAME_ON_F4'
                                        EXPORTING
*                                          PROGRAM_NAME        = SYST-REPID
*                                          DYNPRO_NUMBER       = SYST-DYNNR
*                                          FIELD_NAME          = ' '
                                           STATIC              = 'X'
*                                          MASK                = ' '
                                         CHANGING
                                           file_name           = p_file.
*                                        EXCEPTIONS
*                                          MASK_TOO_LONG       = 1
*                                          OTHERS              = 2
Start-of-Selection.
file_str = P_file.
CALL FUNCTION 'GUI_UPLOAD'
    EXPORTING
      filename                      = '\\10.10.1.92\Volume_1\_projekte\Zeiterfassung-SAP\BUP_ZEIT.DAT'   " This the file source address
      FILETYPE                      = 'DAT'
      HAS_FIELD_SEPARATOR           = ';'
*     HEADER_LENGTH                 = 0
*     READ_BY_LINE                  = 'X'
*     DAT_MODE                      = ' '
*     CODEPAGE                      = ' '
*     IGNORE_CERR                   = ABAP_TRUE
*     REPLACEMENT                   = '#'
*     CHECK_BOM                     = ' '
*     VIRUS_SCAN_PROFILE            =
*     NO_AUTH_CHECK                 = ' '
*   IMPORTING
*     FILELENGTH                    =
*     HEADER                        =
    tables
      data_tab                      = itab
   EXCEPTIONS
     FILE_OPEN_ERROR               = 1
     FILE_READ_ERROR               = 2
     NO_BATCH                      = 3
     GUI_REFUSE_FILETRANSFER       = 4
     INVALID_TYPE                  = 5
     NO_AUTHORITY                  = 6
     UNKNOWN_ERROR                 = 7
     BAD_DATA_FORMAT               = 8
     HEADER_NOT_ALLOWED            = 9
     SEPARATOR_NOT_ALLOWED         = 10
     HEADER_TOO_LONG               = 11
     UNKNOWN_DP_ERROR              = 12
     ACCESS_DENIED                 = 13
     DP_OUT_OF_MEMORY              = 14
     DISK_FULL                     = 15
     DP_TIMEOUT                    = 16
     OTHERS                        = 17
IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
LOOP at itab into wa_tab.
        WRITE: / wa_tab.
ENDLOOP.
I will be grateful to all you experts for ur inputs
regards
Chandan Singh

For every Auftrag, there are multiple Position entries.
Rest of the blocks don't seems to have any relation.
So you can check this code to see how internal table lt_str is built whose first 3 fields have data contained in Auftrag, and next 3 fields have Position data. The structure is flat, assuming that every Position record is related to preceding Auftrag.
Try out this snippet.
DATA lt_data TYPE TABLE OF string.
DATA lv_data TYPE string.
CALL METHOD cl_gui_frontend_services=>gui_upload
EXPORTING
    filename = 'C:\temp\test.txt'
CHANGING
    data_tab = lt_data
EXCEPTIONS
    OTHERS   = 19.
CHECK sy-subrc EQ 0.
TYPES:
BEGIN OF ty_str,
a1 TYPE string,
a2 TYPE string,
a3 TYPE string,
p1 TYPE string,
p2 TYPE string,
p3 TYPE string,
END OF ty_str.
DATA: lt_str TYPE TABLE OF ty_str,
      ls_str TYPE ty_str,
      lv_block TYPE string,
      lv_flag TYPE boolean.
LOOP AT lt_data INTO lv_data.
CASE lv_data.
    WHEN '[Version]' OR '[StdSatz]' OR '[Arbeitstag]' OR '[Pecunia]'
         OR '[Mita]' OR '[Kunde]' OR '[Auftrag]' OR '[Position]'.
      lv_block = lv_data.
      lv_flag = abap_false.
    WHEN OTHERS.
      lv_flag = abap_true.
ENDCASE.
CHECK lv_flag EQ abap_true.
CASE lv_block.
    WHEN '[Auftrag]'.
      SPLIT lv_data AT ';' INTO ls_str-a1 ls_str-a2 ls_str-a3.
    WHEN '[Position]'.
      SPLIT lv_data AT ';' INTO ls_str-p1 ls_str-p2 ls_str-p3.
      APPEND ls_str TO lt_str.
ENDCASE.
ENDLOOP.

Performance issue in BI due to direct query on BKPF and BSEG tables

Hi,
We had a requirement that FI document number fieldshould be extracted in BI.
Following code was written which has the correct logic but performance is bad.
It fetched just 100 records in more than 4-5 hrs.
The reason is there was a direct qury written on BSEG and BKPF tables(without WHERE clause).
Is there any way to improve this code like adding GJAHR field in where clause? I dont want to change the logic.
Following is the code:
WHEN '0CO_OM_CCA_9'." Data Source
    TYPES:BEGIN OF ty_bkpf,
    belnr TYPE bkpf-belnr,
    xblnr TYPE bkpf-xblnr,
    bktxt TYPE bkpf-bktxt,
    awkey TYPE bkpf-awkey,
    bukrs TYPE bkpf-bukrs,
    gjahr TYPE bkpf-gjahr,
    AWTYP TYPE bkpf-AWTYP,
    END OF ty_bkpf.
    TYPES : BEGIN OF ty_bseg1,
    lifnr TYPE bseg-lifnr,
    belnr TYPE bseg-belnr,
    bukrs TYPE bseg-bukrs,
    gjahr TYPE bseg-gjahr,
    END OF ty_bseg1.
    DATA: it_bkpf TYPE STANDARD TABLE OF ty_bkpf,
    wa_bkpf TYPE ty_bkpf,
    it_bseg1 TYPE STANDARD TABLE OF ty_bseg1,
    wa_bseg1 TYPE ty_bseg1,
    l_s_icctrcsta1 TYPE icctrcsta1.
    "Extract structure for Datasoure 0co_om_cca_9.
    DATA: l_awkey TYPE bkpf-awkey.
    DATA: l_gjahr1 TYPE gjahr.
    DATA: len TYPE i,
    l_cnt TYPE i.
    l_cnt = 10.
    tables : covp.
    data : ref_no(20).
    SELECT lifnr
    belnr
    bukrs
    gjahr
    FROM bseg
    INTO TABLE it_bseg1.
    DELETE ADJACENT DUPLICATES FROM it_bseg1 COMPARING belnr gjahr .
    SELECT belnr
    xblnr
    bktxt
    awkey
    bukrs
    gjahr
    AWTYP
    FROM bkpf
    INTO TABLE it_bkpf.
    IF sy-subrc EQ 0.
      CLEAR: l_s_icctrcsta1,
      wa_bkpf,
      l_awkey,
      wa_bseg1.
      LOOP AT c_t_data INTO l_s_icctrcsta1.
        MOVE l_s_icctrcsta1-fiscper(4) TO l_gjahr1.
      select single AWORG AWTYP INTO CORRESPONDING FIELDS OF COVP FROM COVP
      WHERE belnr = l_s_icctrcsta1-belnr.
      if sy-subrc = 0.
          if COVP-AWORG is initial.
       concatenate l_s_icctrcsta1-refbn '%' into ref_no.
              READ TABLE it_bkpf INTO wa_bkpf WITH KEY awkey(10) =
              l_s_icctrcsta1-refbn
              awtyp = COVP-AWTYP
              gjahr = l_gjahr1.
        IF sy-subrc EQ 0.
          MOVE wa_bkpf-belnr TO l_s_icctrcsta1-zzbelnr.
          MOVE wa_bkpf-xblnr TO l_s_icctrcsta1-zzxblnr.
          MOVE wa_bkpf-bktxt TO l_s_icctrcsta1-zzbktxt.
          MODIFY c_t_data FROM l_s_icctrcsta1.
          READ TABLE it_bseg1 INTO wa_bseg1
          WITH KEY
          belnr = wa_bkpf-belnr
          bukrs = wa_bkpf-bukrs
          gjahr = wa_bkpf-gjahr.
          IF sy-subrc EQ 0.
            MOVE wa_bseg1-lifnr TO l_s_icctrcsta1-lifnr.
            MODIFY c_t_data FROM l_s_icctrcsta1.
            CLEAR: l_s_icctrcsta1,
            wa_bseg1,
            l_gjahr1.
          ENDIF.
        ENDIF.
            ELSE. " IF AWORG IS NOT BLANK -
            concatenate l_s_icctrcsta1-refbn COVP-AWORG into ref_no.
            READ TABLE it_bkpf INTO wa_bkpf WITH KEY awkey(20) =
            ref_no
            awtyp = COVP-AWTYP
            gjahr = l_gjahr1.
        IF sy-subrc EQ 0.
          MOVE wa_bkpf-belnr TO l_s_icctrcsta1-zzbelnr.
          MOVE wa_bkpf-xblnr TO l_s_icctrcsta1-zzxblnr.
          MOVE wa_bkpf-bktxt TO l_s_icctrcsta1-zzbktxt.
          MODIFY c_t_data FROM l_s_icctrcsta1.
          READ TABLE it_bseg1 INTO wa_bseg1
          WITH KEY
          belnr = wa_bkpf-belnr
          bukrs = wa_bkpf-bukrs
          gjahr = wa_bkpf-gjahr.
          IF sy-subrc EQ 0.
            MOVE wa_bseg1-lifnr TO l_s_icctrcsta1-lifnr.
            MODIFY c_t_data FROM l_s_icctrcsta1.
            CLEAR: l_s_icctrcsta1,
            wa_bseg1,
            l_gjahr1.
          ENDIF.
        ENDIF.
           endif.
      endif.
        CLEAR: l_s_icctrcsta1.
        CLEAR: COVP, REF_NO.
      ENDLOOP.
    ENDIF.

Hello Amruta,
I was just looking at your coding:
LOOP AT c_t_data INTO l_s_icctrcsta1.
MOVE l_s_icctrcsta1-fiscper(4) TO l_gjahr1.
select single AWORG AWTYP INTO CORRESPONDING FIELDS OF COVP FROM COVP
WHERE belnr = l_s_icctrcsta1-belnr.
if sy-subrc = 0.
if COVP-AWORG is initial.
concatenate l_s_icctrcsta1-refbn '%' into ref_no.
READ TABLE it_bkpf INTO wa_bkpf WITH KEY awkey(10) =
l_s_icctrcsta1-refbn
awtyp = COVP-AWTYP
gjahr = l_gjahr1.
Here you are interested in those BKPF records that are related to the contents of c_t_data internal table.
I guess that this table does not contain millions of entries. Am I right?
If yes, the the first step would be to pre-select COVP entries:
select BELNR AWORG AWTYP into lt_covp from COVP
for all entries in c_t_data
where belnr = c_t_data-belnr.
sort lt_covp by belnr.
Once having this data ready, you build an internal table for BKPF selection:
LOOP AT c_t_data INTO l_s_icctrcsta1.
clear ls_bkpf_sel.
ls_bkpf_sel-awkey(10) = l_s_icctrcsta1-refbn.
read table lt_covp with key belnr = l_s_icctrcsta1-belnr binary search.
if sy-subrc = 0.
    ls_bkpf_sel-awtyp = lt_covp-awtyp.
endif.
ls_bkpf_sel-gjahr = l_s_icctrcsta1-fiscper(4).
insert ls_bkpf_sel into table lt_bkpf_sel.
ENDLOOP.
Now you have all necessary info to read BKPF:
SELECT
belnr
xblnr
bktxt
awkey
bukrs
gjahr
AWTYP
FROM bkpf
INTO TABLE it_bkpf
for all entries in lt_bkpf_sel
WHERE
awkey = lt_bkpf_sel-awkey and
awtyp = lt_bkpf_sel-awtype and
gjahr = lt_bkpf_sel-gjahr.
Then you can access BSEG with the bukrs, belnr and gjahr from the selected BKPF entries. This will be fast.
Moreover I would even try to make a join on DB level. But first try this solution.
Regards,
Yuri

Fetching data slow from MSEG and BSEG table

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