ABAP Select data from SAP table FDC_S_ACCDOC_HDR_EXO_1 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_1 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_1. 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_1 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_1 TYPE STANDARD TABLE OF FDC_S_ACCDOC_HDR_EXO_1,
      WA_FDC_S_ACCDOC_HDR_EXO_1 TYPE FDC_S_ACCDOC_HDR_EXO_1,
      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_1> TYPE FDC_S_ACCDOC_HDR_EXO_1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FDC_S_ACCDOC_HDR_EXO_1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FDC_S_ACCDOC_HDR_EXO_1
  INTO TABLE IT_FDC_S_ACCDOC_HDR_EXO_1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FDC_S_ACCDOC_HDR_EXO_1
*  INTO TABLE @DATA(IT_FDC_S_ACCDOC_HDR_EXO_12).
*--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_1 INDEX 1 INTO DATA(WA_FDC_S_ACCDOC_HDR_EXO_12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FDC_S_ACCDOC_HDR_EXO_1 ASSIGNING <FDC_S_ACCDOC_HDR_EXO_1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FDC_S_ACCDOC_HDR_EXO_1>-BUKRS_TXT = 1.
<FDC_S_ACCDOC_HDR_EXO_1>-BLART_TXT = 1.
<FDC_S_ACCDOC_HDR_EXO_1>-LDGRP_TXT = 1.
<FDC_S_ACCDOC_HDR_EXO_1>-BSTAT_TXT = 1.
<FDC_S_ACCDOC_HDR_EXO_1>-GJAHR = 1.

ENDLOOP.

LOOP AT IT_FDC_S_ACCDOC_HDR_EXO_1 INTO WA_FDC_S_ACCDOC_HDR_EXO_1.
*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_1-HWAER, sy-vline,
  WA_FDC_S_ACCDOC_HDR_EXO_1-HWAE2, sy-vline,
  WA_FDC_S_ACCDOC_HDR_EXO_1-HWAE3, sy-vline,
  WA_FDC_S_ACCDOC_HDR_EXO_1-HWAE4, sy-vline,
  WA_FDC_S_ACCDOC_HDR_EXO_1-HWAE5, sy-vline,
  WA_FDC_S_ACCDOC_HDR_EXO_1-HWAE6, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FDC_S_ACCDOC_HDR_EXO_1 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_1 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_1 INTO WA_FDC_S_ACCDOC_HDR_EXO_1.


*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 GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_HDR_EXO_1-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_HDR_EXO_1-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURS2
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_HDR_EXO_1-KURS2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_HDR_EXO_1-KURS2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURS3
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_HDR_EXO_1-KURS3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_HDR_EXO_1-KURS3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RLDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_HDR_EXO_1-RLDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_HDR_EXO_1-RLDNR.
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_1_STR, 
BUKRS_TXT TYPE STRING,
BLART_TXT TYPE STRING,
LDGRP_TXT TYPE STRING,
BSTAT_TXT TYPE STRING,
GJAHR TYPE STRING,
HWAER TYPE STRING,
HWAE2 TYPE STRING,
HWAE3 TYPE STRING,
HWAE4 TYPE STRING,
HWAE5 TYPE STRING,
HWAE6 TYPE STRING,
HWAE7 TYPE STRING,
HWAE8 TYPE STRING,
HWAE9 TYPE STRING,
HWAE10 TYPE STRING,
KURS2 TYPE STRING,
KURS3 TYPE STRING,
UMRD2 TYPE STRING,
UMRD3 TYPE STRING,
BASW2 TYPE STRING,
BASW3 TYPE STRING,
CURT1 TYPE STRING,
CURT2 TYPE STRING,
CURT3 TYPE STRING,
KURST TYPE STRING,
KUTY2 TYPE STRING,
KUTY3 TYPE STRING,
STBUK TYPE STRING,
CURT4 TYPE STRING,
CURT5 TYPE STRING,
CURT6 TYPE STRING,
CURT7 TYPE STRING,
CURT8 TYPE STRING,
CURT9 TYPE STRING,
CURT10 TYPE STRING,
CURT1_TXT TYPE STRING,
CURT2_TXT TYPE STRING,
CURT3_TXT TYPE STRING,
CURT4_TXT TYPE STRING,
CURT5_TXT TYPE STRING,
CURT6_TXT TYPE STRING,
CURT7_TXT TYPE STRING,
CURT8_TXT TYPE STRING,
CURT9_TXT TYPE STRING,
CURT10_TXT TYPE STRING,
RLDNR TYPE STRING,
RFCCUR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FDC_S_ACCDOC_HDR_EXO_1_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_1_STR-BUKRS_TXT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-BLART_TXT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-LDGRP_TXT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-BSTAT_TXT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-GJAHR sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-HWAER sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-HWAE2 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-HWAE3 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-HWAE4 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-HWAE5 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-HWAE6 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-HWAE7 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-HWAE8 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-HWAE9 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-HWAE10 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-KURS2 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-KURS3 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-UMRD2 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-UMRD3 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-BASW2 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-BASW3 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT1 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT2 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT3 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-KURST sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-KUTY2 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-KUTY3 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-STBUK sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT4 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT5 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT6 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT7 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT8 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT9 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT10 sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT1_TXT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT2_TXT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT3_TXT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT4_TXT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT5_TXT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT6_TXT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT7_TXT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT8_TXT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT9_TXT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-CURT10_TXT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-RLDNR sy-vline 
WA_FDC_S_ACCDOC_HDR_EXO_1_STR-RFCCUR sy-vline      INTO ld_text SEPARATED BY SPACE.

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