ABAP Select data from SAP table VDB_HRFPM_FM_DOC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VDB_HRFPM_FM_DOC
*  INTO TABLE @DATA(IT_VDB_HRFPM_FM_DOC2).
*--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_VDB_HRFPM_FM_DOC INDEX 1 INTO DATA(WA_VDB_HRFPM_FM_DOC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VDB_HRFPM_FM_DOC>-MANDT = 1.
<VDB_HRFPM_FM_DOC>-ENC_TYPE = 1.
<VDB_HRFPM_FM_DOC>-BELNR = 1.
<VDB_HRFPM_FM_DOC>-FPM_POSNR = 1.
<VDB_HRFPM_FM_DOC>-ENC_TYPE_DP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VDB_HRFPM_FM_DOC-BELNR_DP, sy-vline,
  WA_VDB_HRFPM_FM_DOC-FPM_POSNR_DP, sy-vline,
  WA_VDB_HRFPM_FM_DOC-BETRG, sy-vline,
  WA_VDB_HRFPM_FM_DOC-WAERS, sy-vline,
  WA_VDB_HRFPM_FM_DOC-ERLKZ, sy-vline,
  WA_VDB_HRFPM_FM_DOC-DUE_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VDB_HRFPM_FM_DOC 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_VDB_HRFPM_FM_DOC 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_VDB_HRFPM_FM_DOC INTO WA_VDB_HRFPM_FM_DOC.


*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 SAKNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VDB_HRFPM_FM_DOC-SAKNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VDB_HRFPM_FM_DOC-SAKNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_VDB_HRFPM_FM_DOC-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VDB_HRFPM_FM_DOC-VORNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit FMCIL, internal->external for field FIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_VDB_HRFPM_FM_DOC-FIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VDB_HRFPM_FM_DOC-FIPEX.
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_VDB_HRFPM_FM_DOC_STR, 
MANDT TYPE STRING,
ENC_TYPE TYPE STRING,
BELNR TYPE STRING,
FPM_POSNR TYPE STRING,
ENC_TYPE_DP TYPE STRING,
BELNR_DP TYPE STRING,
FPM_POSNR_DP TYPE STRING,
BETRG TYPE STRING,
WAERS TYPE STRING,
ERLKZ TYPE STRING,
DUE_DATE TYPE STRING,
SAKNR TYPE STRING,
BUKRS TYPE STRING,
KOKRS TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
POSNR TYPE STRING,
NPLNR TYPE STRING,
VORNR TYPE STRING,
GRANT_NBR TYPE STRING,
GEBER TYPE STRING,
FKBER TYPE STRING,
FISTL TYPE STRING,
FIPEX TYPE STRING,
STATUS TYPE STRING,
DATBI TYPE STRING,
AEDTM TYPE STRING,
COST_DUE_DATE TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VDB_HRFPM_FM_DOC_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_VDB_HRFPM_FM_DOC_STR-MANDT sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-ENC_TYPE sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-BELNR sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-FPM_POSNR sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-ENC_TYPE_DP sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-BELNR_DP sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-FPM_POSNR_DP sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-BETRG sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-WAERS sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-ERLKZ sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-DUE_DATE sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-SAKNR sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-BUKRS sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-KOKRS sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-KOSTL sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-AUFNR sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-POSNR sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-NPLNR sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-VORNR sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-GRANT_NBR sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-GEBER sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-FKBER sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-FISTL sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-FIPEX sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-STATUS sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-DATBI sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-AEDTM sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-COST_DUE_DATE sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-PLVAR sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-OTYPE sy-vline 
WA_VDB_HRFPM_FM_DOC_STR-OBJID sy-vline      INTO ld_text SEPARATED BY SPACE.

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