ABAP Select data from SAP table HRFPM_MASSFIN_ALV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRFPM_MASSFIN_ALV
*  INTO TABLE @DATA(IT_HRFPM_MASSFIN_ALV2).
*--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_HRFPM_MASSFIN_ALV INDEX 1 INTO DATA(WA_HRFPM_MASSFIN_ALV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRFPM_MASSFIN_ALV>-PERNR = 1.
<HRFPM_MASSFIN_ALV>-VORNA = 1.
<HRFPM_MASSFIN_ALV>-NACHN = 1.
<HRFPM_MASSFIN_ALV>-ENAME = 1.
<HRFPM_MASSFIN_ALV>-TRFAR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRFPM_MASSFIN_ALV-TRFGB, sy-vline,
  WA_HRFPM_MASSFIN_ALV-TRFGR, sy-vline,
  WA_HRFPM_MASSFIN_ALV-BSGRD, sy-vline,
  WA_HRFPM_MASSFIN_ALV-WERKS, sy-vline,
  WA_HRFPM_MASSFIN_ALV-BTRTL, sy-vline,
  WA_HRFPM_MASSFIN_ALV-PERSG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRFPM_MASSFIN_ALV 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_HRFPM_MASSFIN_ALV 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_HRFPM_MASSFIN_ALV INTO WA_HRFPM_MASSFIN_ALV.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_HRFPM_MASSFIN_ALV_STR, 
PERNR TYPE STRING,
VORNA TYPE STRING,
NACHN TYPE STRING,
ENAME TYPE STRING,
TRFAR TYPE STRING,
TRFGB TYPE STRING,
TRFGR TYPE STRING,
BSGRD TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
AMNT TYPE STRING,
BETRG TYPE STRING,
CAUSE_ASS TYPE STRING,
CAUSE_FREE TYPE STRING,
CURCY TYPE STRING,
OBJID TYPE STRING,
SHORT TYPE STRING,
STEXT TYPE STRING,
BU_TRFAR TYPE STRING,
BU_TRFGB TYPE STRING,
BU_TRFGR1 TYPE STRING,
BU_TRFGR2 TYPE STRING,
BU_ADTKEY TYPE STRING,
BU_ADTTEXT TYPE STRING,
MESSAGE TYPE STRING,
STATUS TYPE STRING,
FIN_OPERA TYPE STRING,
FIN_OPERA_TXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRFPM_MASSFIN_ALV_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_HRFPM_MASSFIN_ALV_STR-PERNR sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-VORNA sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-NACHN sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-ENAME sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-TRFAR sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-TRFGB sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-TRFGR sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-BSGRD sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-WERKS sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-BTRTL sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-PERSG sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-PERSK sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-BEGDA sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-ENDDA sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-AMNT sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-BETRG sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-CAUSE_ASS sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-CAUSE_FREE sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-CURCY sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-OBJID sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-SHORT sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-STEXT sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-BU_TRFAR sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-BU_TRFGB sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-BU_TRFGR1 sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-BU_TRFGR2 sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-BU_ADTKEY sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-BU_ADTTEXT sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-MESSAGE sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-STATUS sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-FIN_OPERA sy-vline 
WA_HRFPM_MASSFIN_ALV_STR-FIN_OPERA_TXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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