ABAP Select data from SAP table IFMBWBDT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFMBWBDT
*  INTO TABLE @DATA(IT_IFMBWBDT2).
*--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_IFMBWBDT INDEX 1 INTO DATA(WA_IFMBWBDT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IFMBWBDT>-RFIKRS = 1.
<IFMBWBDT>-RFUND = 1.
<IFMBWBDT>-RFUNDSCTR = 1.
<IFMBWBDT>-RCMMTITEM = 1.
<IFMBWBDT>-RFUNCAREA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFMBWBDT-RGRANT_NBR, sy-vline,
  WA_IFMBWBDT-RMEASURE, sy-vline,
  WA_IFMBWBDT-RUSERDIM, sy-vline,
  WA_IFMBWBDT-RVERS, sy-vline,
  WA_IFMBWBDT-BUCAT, sy-vline,
  WA_IFMBWBDT-VALTYPE_9, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IFMBWBDT 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_IFMBWBDT 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_IFMBWBDT INTO WA_IFMBWBDT.


*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 FMCIL, internal->external for field RCMMTITEM
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_IFMBWBDT-RCMMTITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFMBWBDT-RCMMTITEM.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit PERI7, internal->external for field FISCPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_IFMBWBDT-FISCPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFMBWBDT-FISCPER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field CEFFYEAR_9
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_IFMBWBDT-CEFFYEAR_9
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFMBWBDT-CEFFYEAR_9.
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_IFMBWBDT_STR, 
RFIKRS TYPE STRING,
RFUND TYPE STRING,
RFUNDSCTR TYPE STRING,
RCMMTITEM TYPE STRING,
RFUNCAREA TYPE STRING,
RGRANT_NBR TYPE STRING,
RMEASURE TYPE STRING,
RUSERDIM TYPE STRING,
RVERS TYPE STRING,
BUCAT TYPE STRING,
VALTYPE_9 TYPE STRING,
WFSTATE_9 TYPE STRING,
FMTYPE TYPE STRING,
PROCESS_9 TYPE STRING,
BUDTYPE_9 TYPE STRING,
FISCVAR TYPE STRING,
FISCPER TYPE STRING,
CEFFYEAR_9 TYPE STRING,
FMCUR TYPE STRING,
AMOUNT TYPE STRING,
XARCH TYPE STRING,
UPDMOD TYPE STRING,
FMAA TYPE STRING,
BUDGET_PD_9 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFMBWBDT_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_IFMBWBDT_STR-RFIKRS sy-vline 
WA_IFMBWBDT_STR-RFUND sy-vline 
WA_IFMBWBDT_STR-RFUNDSCTR sy-vline 
WA_IFMBWBDT_STR-RCMMTITEM sy-vline 
WA_IFMBWBDT_STR-RFUNCAREA sy-vline 
WA_IFMBWBDT_STR-RGRANT_NBR sy-vline 
WA_IFMBWBDT_STR-RMEASURE sy-vline 
WA_IFMBWBDT_STR-RUSERDIM sy-vline 
WA_IFMBWBDT_STR-RVERS sy-vline 
WA_IFMBWBDT_STR-BUCAT sy-vline 
WA_IFMBWBDT_STR-VALTYPE_9 sy-vline 
WA_IFMBWBDT_STR-WFSTATE_9 sy-vline 
WA_IFMBWBDT_STR-FMTYPE sy-vline 
WA_IFMBWBDT_STR-PROCESS_9 sy-vline 
WA_IFMBWBDT_STR-BUDTYPE_9 sy-vline 
WA_IFMBWBDT_STR-FISCVAR sy-vline 
WA_IFMBWBDT_STR-FISCPER sy-vline 
WA_IFMBWBDT_STR-CEFFYEAR_9 sy-vline 
WA_IFMBWBDT_STR-FMCUR sy-vline 
WA_IFMBWBDT_STR-AMOUNT sy-vline 
WA_IFMBWBDT_STR-XARCH sy-vline 
WA_IFMBWBDT_STR-UPDMOD sy-vline 
WA_IFMBWBDT_STR-FMAA sy-vline 
WA_IFMBWBDT_STR-BUDGET_PD_9 sy-vline      INTO ld_text SEPARATED BY SPACE.

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