ABAP Select data from SAP table ACCCR_BW into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ACCCR_BW 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 ACCCR_BW. 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 ACCCR_BW 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_ACCCR_BW TYPE STANDARD TABLE OF ACCCR_BW,
      WA_ACCCR_BW TYPE ACCCR_BW,
      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: <ACCCR_BW> TYPE ACCCR_BW.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACCCR_BW
*  INTO TABLE @DATA(IT_ACCCR_BW2).
*--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_ACCCR_BW INDEX 1 INTO DATA(WA_ACCCR_BW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACCCR_BW>-FWBAS = 1.
<ACCCR_BW>-SKFBT = 1.
<ACCCR_BW>-WSKTO = 1.
<ACCCR_BW>-QSSHB = 1.
<ACCCR_BW>-QSFBT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACCCR_BW-WRBTR_FIX, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_ACCCR_BW 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_ACCCR_BW 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_ACCCR_BW INTO WA_ACCCR_BW.


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

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

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

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

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

*Conversion exit AU132, internal->external for field WRBTR_FIX
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_ACCCR_BW-WRBTR_FIX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACCCR_BW-WRBTR_FIX.
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_ACCCR_BW_STR, 
FWBAS TYPE STRING,
SKFBT TYPE STRING,
WSKTO TYPE STRING,
QSSHB TYPE STRING,
QSFBT TYPE STRING,
WRBTR_FIX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACCCR_BW_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_ACCCR_BW_STR-FWBAS sy-vline 
WA_ACCCR_BW_STR-SKFBT sy-vline 
WA_ACCCR_BW_STR-WSKTO sy-vline 
WA_ACCCR_BW_STR-QSSHB sy-vline 
WA_ACCCR_BW_STR-QSFBT sy-vline 
WA_ACCCR_BW_STR-WRBTR_FIX sy-vline      INTO ld_text SEPARATED BY SPACE.

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