ABAP Select data from SAP table FVD_ACCRUAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FVD_ACCRUAL
*  INTO TABLE @DATA(IT_FVD_ACCRUAL2).
*--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_FVD_ACCRUAL INDEX 1 INTO DATA(WA_FVD_ACCRUAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FVD_ACCRUAL>-BUKRS = 1.
<FVD_ACCRUAL>-SANTWHR = 1.
<FVD_ACCRUAL>-GSART = 1.
<FVD_ACCRUAL>-STITEL = 1.
<FVD_ACCRUAL>-RREFKONT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FVD_ACCRUAL-SBEWART, sy-vline,
  WA_FVD_ACCRUAL-RANL, sy-vline,
  WA_FVD_ACCRUAL-SANLF, sy-vline,
  WA_FVD_ACCRUAL-DFAELL, sy-vline,
  WA_FVD_ACCRUAL-SREFBEW, sy-vline,
  WA_FVD_ACCRUAL-ATAGE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FVD_ACCRUAL 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_FVD_ACCRUAL 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_FVD_ACCRUAL INTO WA_FVD_ACCRUAL.


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

*Conversion exit ALPHA, internal->external for field RDARNEHM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FVD_ACCRUAL-RDARNEHM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FVD_ACCRUAL-RDARNEHM.
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_FVD_ACCRUAL_STR, 
BUKRS TYPE STRING,
SANTWHR TYPE STRING,
GSART TYPE STRING,
STITEL TYPE STRING,
RREFKONT TYPE STRING,
SBEWART TYPE STRING,
RANL TYPE STRING,
SANLF TYPE STRING,
DFAELL TYPE STRING,
SREFBEW TYPE STRING,
ATAGE TYPE STRING,
DBERVON TYPE STRING,
DBERBIS TYPE STRING,
DFAELLB TYPE STRING,
PKOND TYPE STRING,
BBASIS TYPE STRING,
BRPWR TYPE STRING,
BRIWR TYPE STRING,
BBWHR TYPE STRING,
SBWHR TYPE STRING,
BHWHR TYPE STRING,
HSWHR TYPE STRING,
BDISA TYPE STRING,
BDISA_HW TYPE STRING,
BABGR TYPE STRING,
BABGR_HW TYPE STRING,
BABGR2 TYPE STRING,
BABGR2_HW TYPE STRING,
BABGRR TYPE STRING,
BABGRR_HW TYPE STRING,
SSOLHAB TYPE STRING,
RDARNEHM TYPE STRING,
BP_NAME TYPE STRING,
SBUST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FVD_ACCRUAL_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_FVD_ACCRUAL_STR-BUKRS sy-vline 
WA_FVD_ACCRUAL_STR-SANTWHR sy-vline 
WA_FVD_ACCRUAL_STR-GSART sy-vline 
WA_FVD_ACCRUAL_STR-STITEL sy-vline 
WA_FVD_ACCRUAL_STR-RREFKONT sy-vline 
WA_FVD_ACCRUAL_STR-SBEWART sy-vline 
WA_FVD_ACCRUAL_STR-RANL sy-vline 
WA_FVD_ACCRUAL_STR-SANLF sy-vline 
WA_FVD_ACCRUAL_STR-DFAELL sy-vline 
WA_FVD_ACCRUAL_STR-SREFBEW sy-vline 
WA_FVD_ACCRUAL_STR-ATAGE sy-vline 
WA_FVD_ACCRUAL_STR-DBERVON sy-vline 
WA_FVD_ACCRUAL_STR-DBERBIS sy-vline 
WA_FVD_ACCRUAL_STR-DFAELLB sy-vline 
WA_FVD_ACCRUAL_STR-PKOND sy-vline 
WA_FVD_ACCRUAL_STR-BBASIS sy-vline 
WA_FVD_ACCRUAL_STR-BRPWR sy-vline 
WA_FVD_ACCRUAL_STR-BRIWR sy-vline 
WA_FVD_ACCRUAL_STR-BBWHR sy-vline 
WA_FVD_ACCRUAL_STR-SBWHR sy-vline 
WA_FVD_ACCRUAL_STR-BHWHR sy-vline 
WA_FVD_ACCRUAL_STR-HSWHR sy-vline 
WA_FVD_ACCRUAL_STR-BDISA sy-vline 
WA_FVD_ACCRUAL_STR-BDISA_HW sy-vline 
WA_FVD_ACCRUAL_STR-BABGR sy-vline 
WA_FVD_ACCRUAL_STR-BABGR_HW sy-vline 
WA_FVD_ACCRUAL_STR-BABGR2 sy-vline 
WA_FVD_ACCRUAL_STR-BABGR2_HW sy-vline 
WA_FVD_ACCRUAL_STR-BABGRR sy-vline 
WA_FVD_ACCRUAL_STR-BABGRR_HW sy-vline 
WA_FVD_ACCRUAL_STR-SSOLHAB sy-vline 
WA_FVD_ACCRUAL_STR-RDARNEHM sy-vline 
WA_FVD_ACCRUAL_STR-BP_NAME sy-vline 
WA_FVD_ACCRUAL_STR-SBUST sy-vline      INTO ld_text SEPARATED BY SPACE.

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