ABAP Select data from SAP table FMCA_FPF_HIS_S_WD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMCA_FPF_HIS_S_WD
*  INTO TABLE @DATA(IT_FMCA_FPF_HIS_S_WD2).
*--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_FMCA_FPF_HIS_S_WD INDEX 1 INTO DATA(WA_FMCA_FPF_HIS_S_WD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMCA_FPF_HIS_S_WD>-MANDT = 1.
<FMCA_FPF_HIS_S_WD>-CASE_GUID = 1.
<FMCA_FPF_HIS_S_WD>-SEQNO = 1.
<FMCA_FPF_HIS_S_WD>-FPFOT = 1.
<FMCA_FPF_HIS_S_WD>-GPART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMCA_FPF_HIS_S_WD-VKONT, sy-vline,
  WA_FMCA_FPF_HIS_S_WD-PSOBKEY, sy-vline,
  WA_FMCA_FPF_HIS_S_WD-SUBAP, sy-vline,
  WA_FMCA_FPF_HIS_S_WD-PERSL, sy-vline,
  WA_FMCA_FPF_HIS_S_WD-DATA1, sy-vline,
  WA_FMCA_FPF_HIS_S_WD-DATA2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMCA_FPF_HIS_S_WD 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_FMCA_FPF_HIS_S_WD 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_FMCA_FPF_HIS_S_WD INTO WA_FMCA_FPF_HIS_S_WD.


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

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

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

*Conversion exit TZNTS, internal->external for field ERTSP
CALL FUNCTION 'CONVERSION_EXIT_TZNTS_OUTPUT'
  EXPORTING
    input =                      WA_FMCA_FPF_HIS_S_WD-ERTSP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCA_FPF_HIS_S_WD-ERTSP.
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_FMCA_FPF_HIS_S_WD_STR, 
MANDT TYPE STRING,
CASE_GUID TYPE STRING,
SEQNO TYPE STRING,
FPFOT TYPE STRING,
GPART TYPE STRING,
VKONT TYPE STRING,
PSOBKEY TYPE STRING,
SUBAP TYPE STRING,
PERSL TYPE STRING,
DATA1 TYPE STRING,
DATA2 TYPE STRING,
DATA3 TYPE STRING,
FPFOA TYPE STRING,
ERNAM TYPE STRING,
ERTSP TYPE STRING,
FPFOO TYPE STRING,
FPFOT_TXT TYPE STRING,
DISPLAYABLE TYPE STRING,
DESCRIPTION TYPE STRING,
FPFOA_TXT TYPE STRING,
TAXPAYER_NAME TYPE STRING,
PSOB_NAME TYPE STRING,
VKONT_NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMCA_FPF_HIS_S_WD_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_FMCA_FPF_HIS_S_WD_STR-MANDT sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-CASE_GUID sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-SEQNO sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-FPFOT sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-GPART sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-VKONT sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-PSOBKEY sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-SUBAP sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-PERSL sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-DATA1 sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-DATA2 sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-DATA3 sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-FPFOA sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-ERNAM sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-ERTSP sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-FPFOO sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-FPFOT_TXT sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-DISPLAYABLE sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-DESCRIPTION sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-FPFOA_TXT sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-TAXPAYER_NAME sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-PSOB_NAME sy-vline 
WA_FMCA_FPF_HIS_S_WD_STR-VKONT_NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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