ABAP Select data from SAP table FAC_S_ACCDOC_APAR_OI_ODATA_EXT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAC_S_ACCDOC_APAR_OI_ODATA_EXT
*  INTO TABLE @DATA(IT_FAC_S_ACCDOC_APAR_OI_ODATA_EXT2).
*--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_FAC_S_ACCDOC_APAR_OI_ODATA_EXT INDEX 1 INTO DATA(WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAC_S_ACCDOC_APAR_OI_ODATA_EXT>-ALADC = 1.
<FAC_S_ACCDOC_APAR_OI_ODATA_EXT>-X_TO_BE_DISPUTED = 1.
<FAC_S_ACCDOC_APAR_OI_ODATA_EXT>-P2P_CASE_GUID = 1.
<FAC_S_ACCDOC_APAR_OI_ODATA_EXT>-P2P_DATE = 1.
<FAC_S_ACCDOC_APAR_OI_ODATA_EXT>-P2P_DUE_DATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT-P2P_STATE, sy-vline,
  WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT-P2P_STATE_TXT, sy-vline,
  WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT-P2P_BY, sy-vline,
  WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT-P2P_AMT, sy-vline,
  WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT-P2P_CURR, sy-vline,
  WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT-P2P_LAST_NOTE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT 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_FAC_S_ACCDOC_APAR_OI_ODATA_EXT 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_FAC_S_ACCDOC_APAR_OI_ODATA_EXT INTO WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT.


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

*Conversion exit ALPHA, internal->external for field DISPUTE_EXT_KEY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT-DISPUTE_EXT_KEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT-DISPUTE_EXT_KEY.
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_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR, 
ALADC TYPE STRING,
X_TO_BE_DISPUTED TYPE STRING,
P2P_CASE_GUID TYPE STRING,
P2P_DATE TYPE STRING,
P2P_DUE_DATE TYPE STRING,
P2P_STATE TYPE STRING,
P2P_STATE_TXT TYPE STRING,
P2P_BY TYPE STRING,
P2P_AMT TYPE STRING,
P2P_CURR TYPE STRING,
P2P_LAST_NOTE TYPE STRING,
IS_PROMISED TYPE STRING,
DISPUTE_EXT_KEY TYPE STRING,
DISPUTE_CASE_GUID TYPE STRING,
DISPUTED_AMOUNT TYPE STRING,
DISPUTE_CURRENCY TYPE STRING,
DISPUTE_REASON TYPE STRING,
DISPUTE_REASON_TXT TYPE STRING,
DISPUTE_CASE_TITLE TYPE STRING,
DISPUTE_LAST_NOTE TYPE STRING,
DISPUTE_STATE TYPE STRING,
DISPUTE_STATE_TXT TYPE STRING,
DISPUTE_PROCESSOR TYPE STRING,
DISPUTE_PROCESSOR_NAME TYPE STRING,
DISPUTE_PRIORITY TYPE STRING,
DISPUTE_PRIORITY_TXT TYPE STRING,
DISPUTE_EXT_REF TYPE STRING,
DISPUTE_CONTACT_NAME TYPE STRING,
IS_DISPUTED TYPE STRING,
CHEQUE TYPE STRING,
RENUM TYPE STRING,
X_PAY_DIFFS_CREATED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_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_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-ALADC sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-X_TO_BE_DISPUTED sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-P2P_CASE_GUID sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-P2P_DATE sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-P2P_DUE_DATE sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-P2P_STATE sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-P2P_STATE_TXT sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-P2P_BY sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-P2P_AMT sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-P2P_CURR sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-P2P_LAST_NOTE sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-IS_PROMISED sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-DISPUTE_EXT_KEY sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-DISPUTE_CASE_GUID sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-DISPUTED_AMOUNT sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-DISPUTE_CURRENCY sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-DISPUTE_REASON sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-DISPUTE_REASON_TXT sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-DISPUTE_CASE_TITLE sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-DISPUTE_LAST_NOTE sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-DISPUTE_STATE sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-DISPUTE_STATE_TXT sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-DISPUTE_PROCESSOR sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-DISPUTE_PROCESSOR_NAME sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-DISPUTE_PRIORITY sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-DISPUTE_PRIORITY_TXT sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-DISPUTE_EXT_REF sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-DISPUTE_CONTACT_NAME sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-IS_DISPUTED sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-CHEQUE sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-RENUM sy-vline 
WA_FAC_S_ACCDOC_APAR_OI_ODATA_EXT_STR-X_PAY_DIFFS_CREATED sy-vline      INTO ld_text SEPARATED BY SPACE.

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