ABAP Select data from SAP table FARR_S_AC_DOCUMENT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FARR_S_AC_DOCUMENT
*  INTO TABLE @DATA(IT_FARR_S_AC_DOCUMENT2).
*--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_FARR_S_AC_DOCUMENT INDEX 1 INTO DATA(WA_FARR_S_AC_DOCUMENT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FARR_S_AC_DOCUMENT>-BUKRS = 1.
<FARR_S_AC_DOCUMENT>-RECON_KEY = 1.
<FARR_S_AC_DOCUMENT>-ACCT_PRINCIPLE = 1.
<FARR_S_AC_DOCUMENT>-POST_CAT = 1.
<FARR_S_AC_DOCUMENT>-VALOBJTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FARR_S_AC_DOCUMENT-VALOBJ_ID, sy-vline,
  WA_FARR_S_AC_DOCUMENT-HKONT, sy-vline,
  WA_FARR_S_AC_DOCUMENT-SHKZG, sy-vline,
  WA_FARR_S_AC_DOCUMENT-KSCHL, sy-vline,
  WA_FARR_S_AC_DOCUMENT-BETRW, sy-vline,
  WA_FARR_S_AC_DOCUMENT-WAERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FARR_S_AC_DOCUMENT 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_FARR_S_AC_DOCUMENT 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_FARR_S_AC_DOCUMENT INTO WA_FARR_S_AC_DOCUMENT.


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

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

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

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

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

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

*Conversion exit ABPSN, internal->external for field PS_POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_FARR_S_AC_DOCUMENT-PS_POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_AC_DOCUMENT-PS_POSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PS_PSP_PNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_FARR_S_AC_DOCUMENT-PS_PSP_PNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_AC_DOCUMENT-PS_PSP_PNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field POB_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FARR_S_AC_DOCUMENT-POB_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_AC_DOCUMENT-POB_ID.
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_FARR_S_AC_DOCUMENT_STR, 
BUKRS TYPE STRING,
RECON_KEY TYPE STRING,
ACCT_PRINCIPLE TYPE STRING,
POST_CAT TYPE STRING,
VALOBJTYPE TYPE STRING,
VALOBJ_ID TYPE STRING,
HKONT TYPE STRING,
SHKZG TYPE STRING,
KSCHL TYPE STRING,
BETRW TYPE STRING,
WAERS TYPE STRING,
BETRH TYPE STRING,
HWAER TYPE STRING,
BETR2 TYPE STRING,
HWAE2 TYPE STRING,
BETR3 TYPE STRING,
HWAE3 TYPE STRING,
STATISTIC TYPE STRING,
SHKZG_VA TYPE STRING,
KEYPP TYPE STRING,
FKBER TYPE STRING,
GSBER TYPE STRING,
SEGMENT TYPE STRING,
PRCTR TYPE STRING,
PAOBJNR TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
PS_POSID TYPE STRING,
PS_PSP_PNR TYPE STRING,
DUMMY_POSTING_INCL_EEW_PS TYPE STRING,
REP_EEW_DUMMY TYPE STRING,
AWTYP TYPE STRING,
AWREF TYPE STRING,
AWORG TYPE STRING,
AWSYS TYPE STRING,
CONTRACT_ID TYPE STRING,
POB_ID TYPE STRING,
SPEC_INDICATOR TYPE STRING,
BSTAT TYPE STRING,
MIGRATION_REVERSAL_ENTRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FARR_S_AC_DOCUMENT_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_FARR_S_AC_DOCUMENT_STR-BUKRS sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-RECON_KEY sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-ACCT_PRINCIPLE sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-POST_CAT sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-VALOBJTYPE sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-VALOBJ_ID sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-HKONT sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-SHKZG sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-KSCHL sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-BETRW sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-WAERS sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-BETRH sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-HWAER sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-BETR2 sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-HWAE2 sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-BETR3 sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-HWAE3 sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-STATISTIC sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-SHKZG_VA sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-KEYPP sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-FKBER sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-GSBER sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-SEGMENT sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-PRCTR sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-PAOBJNR sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-KOSTL sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-AUFNR sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-KDAUF sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-KDPOS sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-PS_POSID sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-PS_PSP_PNR sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-DUMMY_POSTING_INCL_EEW_PS sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-REP_EEW_DUMMY sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-AWTYP sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-AWREF sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-AWORG sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-AWSYS sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-CONTRACT_ID sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-POB_ID sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-SPEC_INDICATOR sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-BSTAT sy-vline 
WA_FARR_S_AC_DOCUMENT_STR-MIGRATION_REVERSAL_ENTRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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