ABAP Select data from SAP table AFWBM_STR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AFWBM_STR
*  INTO TABLE @DATA(IT_AFWBM_STR2).
*--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_AFWBM_STR INDEX 1 INTO DATA(WA_AFWBM_STR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<AFWBM_STR>-MANDT = 1.
<AFWBM_STR>-BMID = 1.
<AFWBM_STR>-BMCATEGORY = 1.
<AFWBM_STR>-VALDATE = 1.
<AFWBM_STR>-TEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AFWBM_STR-AUTGR, sy-vline,
  WA_AFWBM_STR-CURRENCY, sy-vline,
  WA_AFWBM_STR-STATUS, sy-vline,
  WA_AFWBM_STR-GUID_REASON, sy-vline,
  WA_AFWBM_STR-CHARFLAG, sy-vline,
  WA_AFWBM_STR-DETAIL_INDEX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AFWBM_STR 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_AFWBM_STR 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_AFWBM_STR INTO WA_AFWBM_STR.


*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 ALFAN, internal->external for field BMPKEYFIG
CALL FUNCTION 'CONVERSION_EXIT_ALFAN_OUTPUT'
  EXPORTING
    input =                      WA_AFWBM_STR-BMPKEYFIG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AFWBM_STR-BMPKEYFIG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BM_RANL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_AFWBM_STR-BM_RANL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AFWBM_STR-BM_RANL.
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_AFWBM_STR_STR, 
MANDT TYPE STRING,
BMID TYPE STRING,
BMCATEGORY TYPE STRING,
VALDATE TYPE STRING,
TEXT TYPE STRING,
AUTGR TYPE STRING,
CURRENCY TYPE STRING,
STATUS TYPE STRING,
GUID_REASON TYPE STRING,
CHARFLAG TYPE STRING,
DETAIL_INDEX TYPE STRING,
READJUST TYPE STRING,
GUID_REL TYPE STRING,
FACTORY_CAL TYPE STRING,
BMFIXPERIODVAL TYPE STRING,
BMFIXPERIODTYP TYPE STRING,
BMFACCAL TYPE STRING,
BMSICHID TYPE STRING,
BMPH TYPE STRING,
BMPHNODE TYPE STRING,
BMPKEYFIG TYPE STRING,
BM_IDX TYPE STRING,
BM_CURR TYPE STRING,
BM_CURRCATE TYPE STRING,
BM_FIXRATE TYPE STRING,
BM_RATE_METHOD TYPE STRING,
BM_VARRATE TYPE STRING,
BM_RANL TYPE STRING,
BM_OBJNR TYPE STRING,
BM_RHANDPL TYPE STRING,
CRUSER TYPE STRING,
CRTSTP TYPE STRING,
UPUSER TYPE STRING,
UPTSTP TYPE STRING,
CDATE TYPE STRING,
UDATE TYPE STRING,
SINGLE TYPE STRING,
OKCODE TYPE STRING,
FLAG_AUTH TYPE STRING,
FLAG_EXIST TYPE STRING,
FLAG_VAL_EXIST TYPE STRING,
VERSION TYPE STRING,
FLAG_DISP TYPE STRING,
FLAG_PH TYPE STRING,
FLAG_HIST TYPE STRING,
FLAG_COMP TYPE STRING,
FLAG_EVAL TYPE STRING,
KEYDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AFWBM_STR_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_AFWBM_STR_STR-MANDT sy-vline 
WA_AFWBM_STR_STR-BMID sy-vline 
WA_AFWBM_STR_STR-BMCATEGORY sy-vline 
WA_AFWBM_STR_STR-VALDATE sy-vline 
WA_AFWBM_STR_STR-TEXT sy-vline 
WA_AFWBM_STR_STR-AUTGR sy-vline 
WA_AFWBM_STR_STR-CURRENCY sy-vline 
WA_AFWBM_STR_STR-STATUS sy-vline 
WA_AFWBM_STR_STR-GUID_REASON sy-vline 
WA_AFWBM_STR_STR-CHARFLAG sy-vline 
WA_AFWBM_STR_STR-DETAIL_INDEX sy-vline 
WA_AFWBM_STR_STR-READJUST sy-vline 
WA_AFWBM_STR_STR-GUID_REL sy-vline 
WA_AFWBM_STR_STR-FACTORY_CAL sy-vline 
WA_AFWBM_STR_STR-BMFIXPERIODVAL sy-vline 
WA_AFWBM_STR_STR-BMFIXPERIODTYP sy-vline 
WA_AFWBM_STR_STR-BMFACCAL sy-vline 
WA_AFWBM_STR_STR-BMSICHID sy-vline 
WA_AFWBM_STR_STR-BMPH sy-vline 
WA_AFWBM_STR_STR-BMPHNODE sy-vline 
WA_AFWBM_STR_STR-BMPKEYFIG sy-vline 
WA_AFWBM_STR_STR-BM_IDX sy-vline 
WA_AFWBM_STR_STR-BM_CURR sy-vline 
WA_AFWBM_STR_STR-BM_CURRCATE sy-vline 
WA_AFWBM_STR_STR-BM_FIXRATE sy-vline 
WA_AFWBM_STR_STR-BM_RATE_METHOD sy-vline 
WA_AFWBM_STR_STR-BM_VARRATE sy-vline 
WA_AFWBM_STR_STR-BM_RANL sy-vline 
WA_AFWBM_STR_STR-BM_OBJNR sy-vline 
WA_AFWBM_STR_STR-BM_RHANDPL sy-vline 
WA_AFWBM_STR_STR-CRUSER sy-vline 
WA_AFWBM_STR_STR-CRTSTP sy-vline 
WA_AFWBM_STR_STR-UPUSER sy-vline 
WA_AFWBM_STR_STR-UPTSTP sy-vline 
WA_AFWBM_STR_STR-CDATE sy-vline 
WA_AFWBM_STR_STR-UDATE sy-vline 
WA_AFWBM_STR_STR-SINGLE sy-vline 
WA_AFWBM_STR_STR-OKCODE sy-vline 
WA_AFWBM_STR_STR-FLAG_AUTH sy-vline 
WA_AFWBM_STR_STR-FLAG_EXIST sy-vline 
WA_AFWBM_STR_STR-FLAG_VAL_EXIST sy-vline 
WA_AFWBM_STR_STR-VERSION sy-vline 
WA_AFWBM_STR_STR-FLAG_DISP sy-vline 
WA_AFWBM_STR_STR-FLAG_PH sy-vline 
WA_AFWBM_STR_STR-FLAG_HIST sy-vline 
WA_AFWBM_STR_STR-FLAG_COMP sy-vline 
WA_AFWBM_STR_STR-FLAG_EVAL sy-vline 
WA_AFWBM_STR_STR-KEYDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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