ABAP Select data from SAP table FDC_D_DFT_AC_HDR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FDC_D_DFT_AC_HDR
*  INTO TABLE @DATA(IT_FDC_D_DFT_AC_HDR2).
*--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_FDC_D_DFT_AC_HDR INDEX 1 INTO DATA(WA_FDC_D_DFT_AC_HDR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FDC_D_DFT_AC_HDR>-MANDT = 1.
<FDC_D_DFT_AC_HDR>-DB_KEY = 1.
<FDC_D_DFT_AC_HDR>-ROOT_KEY = 1.
<FDC_D_DFT_AC_HDR>-BUKRS = 1.
<FDC_D_DFT_AC_HDR>-BELNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FDC_D_DFT_AC_HDR-BLART, sy-vline,
  WA_FDC_D_DFT_AC_HDR-BLDAT, sy-vline,
  WA_FDC_D_DFT_AC_HDR-BUDAT, sy-vline,
  WA_FDC_D_DFT_AC_HDR-VATDATE, sy-vline,
  WA_FDC_D_DFT_AC_HDR-FULFILLDATE, sy-vline,
  WA_FDC_D_DFT_AC_HDR-MONAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FDC_D_DFT_AC_HDR 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_FDC_D_DFT_AC_HDR 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_FDC_D_DFT_AC_HDR INTO WA_FDC_D_DFT_AC_HDR.


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

*Conversion exit EXCRT, internal->external for field KURSF
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FDC_D_DFT_AC_HDR-KURSF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_D_DFT_AC_HDR-KURSF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field FWSTE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FDC_D_DFT_AC_HDR-FWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_D_DFT_AC_HDR-FWSTE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field HWSTE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FDC_D_DFT_AC_HDR-HWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_D_DFT_AC_HDR-HWSTE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field TXKRS
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FDC_D_DFT_AC_HDR-TXKRS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_D_DFT_AC_HDR-TXKRS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field CTXKRS
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FDC_D_DFT_AC_HDR-CTXKRS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_D_DFT_AC_HDR-CTXKRS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GLO_BP1_HD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FDC_D_DFT_AC_HDR-GLO_BP1_HD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_D_DFT_AC_HDR-GLO_BP1_HD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GLO_BP2_HD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FDC_D_DFT_AC_HDR-GLO_BP2_HD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_D_DFT_AC_HDR-GLO_BP2_HD.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AC132, internal->external for field FWBTR
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_FDC_D_DFT_AC_HDR-FWBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_D_DFT_AC_HDR-FWBTR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field TMPID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FDC_D_DFT_AC_HDR-TMPID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_D_DFT_AC_HDR-TMPID.
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_FDC_D_DFT_AC_HDR_STR, 
MANDT TYPE STRING,
DB_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
BLART TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
VATDATE TYPE STRING,
FULFILLDATE TYPE STRING,
MONAT TYPE STRING,
WWERT TYPE STRING,
WAERS TYPE STRING,
LDGRP TYPE STRING,
KURSF TYPE STRING,
FWSTE TYPE STRING,
HWSTE TYPE STRING,
PARGB_HDR TYPE STRING,
BRNCH TYPE STRING,
REINDAT TYPE STRING,
NUMPG TYPE STRING,
BTTYPE TYPE STRING,
BKTXT TYPE STRING,
XMWST TYPE STRING,
XSNET TYPE STRING,
XBLNR TYPE STRING,
TXKRS TYPE STRING,
CTXKRS TYPE STRING,
BVORG TYPE STRING,
CURTP_INPUT TYPE STRING,
GRPID TYPE STRING,
XREF1_HD TYPE STRING,
XREF2_HD TYPE STRING,
AUGTX TYPE STRING,
STGRD TYPE STRING,
STODT TYPE STRING,
GLO_REF1_HD TYPE STRING,
GLO_DAT1_HD TYPE STRING,
GLO_REF2_HD TYPE STRING,
GLO_DAT2_HD TYPE STRING,
GLO_REF3_HD TYPE STRING,
GLO_DAT3_HD TYPE STRING,
GLO_REF4_HD TYPE STRING,
GLO_DAT4_HD TYPE STRING,
GLO_REF5_HD TYPE STRING,
GLO_DAT5_HD TYPE STRING,
GLO_BP1_HD TYPE STRING,
GLO_BP2_HD TYPE STRING,
UX_ME_WWERT TYPE STRING,
UX_ME_HWSTE TYPE STRING,
UX_ME_KURSF TYPE STRING,
UX_ME_TXKRS TYPE STRING,
KUKEY TYPE STRING,
ESNUM TYPE STRING,
REPROCREASONCODE TYPE STRING,
AVKOA TYPE STRING,
AVKON TYPE STRING,
TATYP TYPE STRING,
FWAER TYPE STRING,
FWBTR TYPE STRING,
RULEUUID TYPE STRING,
BUKRSADV TYPE STRING,
KOARTADV TYPE STRING,
KONTOADV TYPE STRING,
AVSIDADV TYPE STRING,
TMPID TYPE STRING,
HOLD_DOC_CRDAT TYPE STRING,
TCODE TYPE STRING,
DISPUTE_ACT_COUNT TYPE STRING,
BSTAT TYPE STRING,
SCVARIANT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FDC_D_DFT_AC_HDR_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_FDC_D_DFT_AC_HDR_STR-MANDT sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-DB_KEY sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-ROOT_KEY sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-BUKRS sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-BELNR sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-BLART sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-BLDAT sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-BUDAT sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-VATDATE sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-FULFILLDATE sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-MONAT sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-WWERT sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-WAERS sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-LDGRP sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-KURSF sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-FWSTE sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-HWSTE sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-PARGB_HDR sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-BRNCH sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-REINDAT sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-NUMPG sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-BTTYPE sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-BKTXT sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-XMWST sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-XSNET sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-XBLNR sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-TXKRS sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-CTXKRS sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-BVORG sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-CURTP_INPUT sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-GRPID sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-XREF1_HD sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-XREF2_HD sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-AUGTX sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-STGRD sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-STODT sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-GLO_REF1_HD sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-GLO_DAT1_HD sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-GLO_REF2_HD sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-GLO_DAT2_HD sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-GLO_REF3_HD sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-GLO_DAT3_HD sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-GLO_REF4_HD sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-GLO_DAT4_HD sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-GLO_REF5_HD sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-GLO_DAT5_HD sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-GLO_BP1_HD sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-GLO_BP2_HD sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-UX_ME_WWERT sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-UX_ME_HWSTE sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-UX_ME_KURSF sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-UX_ME_TXKRS sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-KUKEY sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-ESNUM sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-REPROCREASONCODE sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-AVKOA sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-AVKON sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-TATYP sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-FWAER sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-FWBTR sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-RULEUUID sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-BUKRSADV sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-KOARTADV sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-KONTOADV sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-AVSIDADV sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-TMPID sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-HOLD_DOC_CRDAT sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-TCODE sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-DISPUTE_ACT_COUNT sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-BSTAT sy-vline 
WA_FDC_D_DFT_AC_HDR_STR-SCVARIANT sy-vline      INTO ld_text SEPARATED BY SPACE.

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