ABAP Select data from SAP table FMPEB_ACCTAX into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FMPEB_ACCTAX table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to FMPEB_ACCTAX. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the FMPEB_ACCTAX table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_FMPEB_ACCTAX TYPE STANDARD TABLE OF FMPEB_ACCTAX,
      WA_FMPEB_ACCTAX TYPE FMPEB_ACCTAX,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <FMPEB_ACCTAX> TYPE FMPEB_ACCTAX.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FMPEB_ACCTAX.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FMPEB_ACCTAX
  INTO TABLE IT_FMPEB_ACCTAX.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMPEB_ACCTAX
*  INTO TABLE @DATA(IT_FMPEB_ACCTAX2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_FMPEB_ACCTAX INDEX 1 INTO DATA(WA_FMPEB_ACCTAX2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FMPEB_ACCTAX ASSIGNING <FMPEB_ACCTAX>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMPEB_ACCTAX>-PEB = 1.
<FMPEB_ACCTAX>-MWSKZ = 1.
<FMPEB_ACCTAX>-STGRP = 1.
<FMPEB_ACCTAX>-HWBAS = 1.
<FMPEB_ACCTAX>-HWSTE = 1.

ENDLOOP.

LOOP AT IT_FMPEB_ACCTAX INTO WA_FMPEB_ACCTAX.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMPEB_ACCTAX-NAVNW_OLD, sy-vline,
  WA_FMPEB_ACCTAX-HWSTEAA_OLD, sy-vline,
  WA_FMPEB_ACCTAX-NAVNW_NEW, sy-vline,
  WA_FMPEB_ACCTAX-HWSTEAA_NEW, sy-vline,
  WA_FMPEB_ACCTAX-SHKZG, sy-vline,
  WA_FMPEB_ACCTAX-ACCOUNT_ASS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMPEB_ACCTAX you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_FMPEB_ACCTAX TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_FMPEB_ACCTAX INTO WA_FMPEB_ACCTAX.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit AC152, internal->external for field HWBAS
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-HWBAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-HWBAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field HWSTE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-HWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-HWSTE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field NAVNW_OLD
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-NAVNW_OLD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-NAVNW_OLD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field HWSTEAA_OLD
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-HWSTEAA_OLD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-HWSTEAA_OLD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field NAVNW_NEW
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-NAVNW_NEW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-NAVNW_NEW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field HWSTEAA_NEW
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-HWSTEAA_NEW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-HWSTEAA_NEW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PROJK
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-PROJK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-PROJK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NPLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-NPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-NPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-SEGMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit IMKEY, internal->external for field IMKEY
CALL FUNCTION 'CONVERSION_EXIT_IMKEY_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-IMKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-IMKEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIS, internal->external for field FIPOS
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-FIPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-FIPOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-ANLN2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBUND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-VBUND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-VBUND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KONTS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-KONTS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-KONTS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KONTH
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-KONTH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-KONTH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMPEB_ACCTAX-ACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEB_ACCTAX-ACCT.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FMPEB_ACCTAX_STR, 
PEB TYPE STRING,
MWSKZ TYPE STRING,
STGRP TYPE STRING,
HWBAS TYPE STRING,
HWSTE TYPE STRING,
NAVNW_OLD TYPE STRING,
HWSTEAA_OLD TYPE STRING,
NAVNW_NEW TYPE STRING,
HWSTEAA_NEW TYPE STRING,
SHKZG TYPE STRING,
ACCOUNT_ASS TYPE STRING,
HKONT TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
PROJK TYPE STRING,
NPLNR TYPE STRING,
AUFPL TYPE STRING,
APLZL TYPE STRING,
GSBER TYPE STRING,
PRCTR TYPE STRING,
SEGMENT TYPE STRING,
FKBER TYPE STRING,
FKBER_LONG TYPE STRING,
IMKEY TYPE STRING,
DABRZ TYPE STRING,
FIPOS TYPE STRING,
FISTL TYPE STRING,
GEBER TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
ANBWA TYPE STRING,
BZDAT TYPE STRING,
VBUND TYPE STRING,
MEASURE TYPE STRING,
GRANT_NBR TYPE STRING,
MATNR TYPE STRING,
BWKEY TYPE STRING,
BWTAR TYPE STRING,
KONTS TYPE STRING,
KONTH TYPE STRING,
ACCT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMPEB_ACCTAX_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_FMPEB_ACCTAX_STR-PEB sy-vline 
WA_FMPEB_ACCTAX_STR-MWSKZ sy-vline 
WA_FMPEB_ACCTAX_STR-STGRP sy-vline 
WA_FMPEB_ACCTAX_STR-HWBAS sy-vline 
WA_FMPEB_ACCTAX_STR-HWSTE sy-vline 
WA_FMPEB_ACCTAX_STR-NAVNW_OLD sy-vline 
WA_FMPEB_ACCTAX_STR-HWSTEAA_OLD sy-vline 
WA_FMPEB_ACCTAX_STR-NAVNW_NEW sy-vline 
WA_FMPEB_ACCTAX_STR-HWSTEAA_NEW sy-vline 
WA_FMPEB_ACCTAX_STR-SHKZG sy-vline 
WA_FMPEB_ACCTAX_STR-ACCOUNT_ASS sy-vline 
WA_FMPEB_ACCTAX_STR-HKONT sy-vline 
WA_FMPEB_ACCTAX_STR-KOSTL sy-vline 
WA_FMPEB_ACCTAX_STR-AUFNR sy-vline 
WA_FMPEB_ACCTAX_STR-PROJK sy-vline 
WA_FMPEB_ACCTAX_STR-NPLNR sy-vline 
WA_FMPEB_ACCTAX_STR-AUFPL sy-vline 
WA_FMPEB_ACCTAX_STR-APLZL sy-vline 
WA_FMPEB_ACCTAX_STR-GSBER sy-vline 
WA_FMPEB_ACCTAX_STR-PRCTR sy-vline 
WA_FMPEB_ACCTAX_STR-SEGMENT sy-vline 
WA_FMPEB_ACCTAX_STR-FKBER sy-vline 
WA_FMPEB_ACCTAX_STR-FKBER_LONG sy-vline 
WA_FMPEB_ACCTAX_STR-IMKEY sy-vline 
WA_FMPEB_ACCTAX_STR-DABRZ sy-vline 
WA_FMPEB_ACCTAX_STR-FIPOS sy-vline 
WA_FMPEB_ACCTAX_STR-FISTL sy-vline 
WA_FMPEB_ACCTAX_STR-GEBER sy-vline 
WA_FMPEB_ACCTAX_STR-ANLN1 sy-vline 
WA_FMPEB_ACCTAX_STR-ANLN2 sy-vline 
WA_FMPEB_ACCTAX_STR-ANBWA sy-vline 
WA_FMPEB_ACCTAX_STR-BZDAT sy-vline 
WA_FMPEB_ACCTAX_STR-VBUND sy-vline 
WA_FMPEB_ACCTAX_STR-MEASURE sy-vline 
WA_FMPEB_ACCTAX_STR-GRANT_NBR sy-vline 
WA_FMPEB_ACCTAX_STR-MATNR sy-vline 
WA_FMPEB_ACCTAX_STR-BWKEY sy-vline 
WA_FMPEB_ACCTAX_STR-BWTAR sy-vline 
WA_FMPEB_ACCTAX_STR-KONTS sy-vline 
WA_FMPEB_ACCTAX_STR-KONTH sy-vline 
WA_FMPEB_ACCTAX_STR-ACCT sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.