ABAP Select data from SAP table FDC_S_ACCDOC_HDR_EXO_2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FDC_S_ACCDOC_HDR_EXO_2 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_S_ACCDOC_HDR_EXO_2. 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_S_ACCDOC_HDR_EXO_2 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_S_ACCDOC_HDR_EXO_2 TYPE STANDARD TABLE OF FDC_S_ACCDOC_HDR_EXO_2,
      WA_FDC_S_ACCDOC_HDR_EXO_2 TYPE FDC_S_ACCDOC_HDR_EXO_2,
      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_S_ACCDOC_HDR_EXO_2> TYPE FDC_S_ACCDOC_HDR_EXO_2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FDC_S_ACCDOC_HDR_EXO_2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FDC_S_ACCDOC_HDR_EXO_2
  INTO TABLE IT_FDC_S_ACCDOC_HDR_EXO_2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FDC_S_ACCDOC_HDR_EXO_2
*  INTO TABLE @DATA(IT_FDC_S_ACCDOC_HDR_EXO_22).
*--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_S_ACCDOC_HDR_EXO_2 INDEX 1 INTO DATA(WA_FDC_S_ACCDOC_HDR_EXO_22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FDC_S_ACCDOC_HDR_EXO_2 ASSIGNING <FDC_S_ACCDOC_HDR_EXO_2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FDC_S_ACCDOC_HDR_EXO_2>-TCODE = 1.
<FDC_S_ACCDOC_HDR_EXO_2>-LCHG_DATE_TIME = 1.
<FDC_S_ACCDOC_HDR_EXO_2>-CRDAT = 1.
<FDC_S_ACCDOC_HDR_EXO_2>-CRTIM = 1.
<FDC_S_ACCDOC_HDR_EXO_2>-BSTAT = 1.

ENDLOOP.

LOOP AT IT_FDC_S_ACCDOC_HDR_EXO_2 INTO WA_FDC_S_ACCDOC_HDR_EXO_2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FDC_S_ACCDOC_HDR_EXO_2-DISP_CURR, sy-vline,
  WA_FDC_S_ACCDOC_HDR_EXO_2-SCVARIANT, sy-vline,
  WA_FDC_S_ACCDOC_HDR_EXO_2-AUGLV, sy-vline,
  WA_FDC_S_ACCDOC_HDR_EXO_2-XREBZ, sy-vline,
  WA_FDC_S_ACCDOC_HDR_EXO_2-XNETA, sy-vline,
  WA_FDC_S_ACCDOC_HDR_EXO_2-XNOBK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FDC_S_ACCDOC_HDR_EXO_2 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_S_ACCDOC_HDR_EXO_2 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_S_ACCDOC_HDR_EXO_2 INTO WA_FDC_S_ACCDOC_HDR_EXO_2.


*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 DBBLG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_HDR_EXO_2-DBBLG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_HDR_EXO_2-DBBLG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field DBBLG_GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_HDR_EXO_2-DBBLG_GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_HDR_EXO_2-DBBLG_GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TEMPD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_HDR_EXO_2-TEMPD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_HDR_EXO_2-TEMPD.
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_S_ACCDOC_HDR_EXO_2_STR, 
TCODE TYPE STRING,
LCHG_DATE_TIME TYPE STRING,
CRDAT TYPE STRING,
CRTIM TYPE STRING,
BSTAT TYPE STRING,
DISP_CURR TYPE STRING,
SCVARIANT TYPE STRING,
AUGLV TYPE STRING,
XREBZ TYPE STRING,
XNETA TYPE STRING,
XNOBK TYPE STRING,
XLGCLR TYPE STRING,
IS_CHANGE_ALLOWED TYPE STRING,
IS_OSP_WO_REF TYPE STRING,
DBBLG TYPE STRING,
DBBLG_GJAHR TYPE STRING,
DBBLG_BUKRS TYPE STRING,
STATUS_OLD TYPE STRING,
PPNAM TYPE STRING,
USNAM TYPE STRING,
USNAM_TXT TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
APPLICATION_ID TYPE STRING,
HOLD_DOC_UUID TYPE STRING,
HOLD_DOC_ID TYPE STRING,
HOLD_DOC_CRDAT TYPE STRING,
TEMPD TYPE STRING,
GLO_REF1_HD_LBL TYPE STRING,
GLO_DAT1_HD_LBL TYPE STRING,
GLO_REF2_HD_LBL TYPE STRING,
GLO_DAT2_HD_LBL TYPE STRING,
GLO_REF3_HD_LBL TYPE STRING,
GLO_DAT3_HD_LBL TYPE STRING,
GLO_REF4_HD_LBL TYPE STRING,
GLO_DAT4_HD_LBL TYPE STRING,
GLO_REF5_HD_LBL TYPE STRING,
GLO_DAT5_HD_LBL TYPE STRING,
GLO_BP1_HD_LBL TYPE STRING,
GLO_BP2_HD_LBL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FDC_S_ACCDOC_HDR_EXO_2_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_S_ACCDOC_HDR_EXO_2_STR-TCODE sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-LCHG_DATE_TIME sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-CRDAT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-CRTIM sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-BSTAT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-DISP_CURR sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-SCVARIANT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-AUGLV sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-XREBZ sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-XNETA sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-XNOBK sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-XLGCLR sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-IS_CHANGE_ALLOWED sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-IS_OSP_WO_REF sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-DBBLG sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-DBBLG_GJAHR sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-DBBLG_BUKRS sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-STATUS_OLD sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-PPNAM sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-USNAM sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-USNAM_TXT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-CPUDT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-CPUTM sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-APPLICATION_ID sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-HOLD_DOC_UUID sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-HOLD_DOC_ID sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-HOLD_DOC_CRDAT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-TEMPD sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-GLO_REF1_HD_LBL sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-GLO_DAT1_HD_LBL sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-GLO_REF2_HD_LBL sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-GLO_DAT2_HD_LBL sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-GLO_REF3_HD_LBL sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-GLO_DAT3_HD_LBL sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-GLO_REF4_HD_LBL sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-GLO_DAT4_HD_LBL sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-GLO_REF5_HD_LBL sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-GLO_DAT5_HD_LBL sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-GLO_BP1_HD_LBL sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_2_STR-GLO_BP2_HD_LBL sy-vline      INTO ld_text SEPARATED BY SPACE.

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