ABAP Select data from SAP table FARR_S_POSTING_BY_ACCOUNT 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_POSTING_BY_ACCOUNT 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_POSTING_BY_ACCOUNT. 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_POSTING_BY_ACCOUNT 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_POSTING_BY_ACCOUNT TYPE STANDARD TABLE OF FARR_S_POSTING_BY_ACCOUNT,
      WA_FARR_S_POSTING_BY_ACCOUNT TYPE FARR_S_POSTING_BY_ACCOUNT,
      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_POSTING_BY_ACCOUNT> TYPE FARR_S_POSTING_BY_ACCOUNT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FARR_S_POSTING_BY_ACCOUNT
*  INTO TABLE @DATA(IT_FARR_S_POSTING_BY_ACCOUNT2).
*--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_POSTING_BY_ACCOUNT INDEX 1 INTO DATA(WA_FARR_S_POSTING_BY_ACCOUNT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FARR_S_POSTING_BY_ACCOUNT>-COMPANY_CODE = 1.
<FARR_S_POSTING_BY_ACCOUNT>-ACCT_PRINCIPLE = 1.
<FARR_S_POSTING_BY_ACCOUNT>-SHKZG = 1.
<FARR_S_POSTING_BY_ACCOUNT>-HKONT = 1.
<FARR_S_POSTING_BY_ACCOUNT>-BETRW = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FARR_S_POSTING_BY_ACCOUNT-WAERS, sy-vline,
  WA_FARR_S_POSTING_BY_ACCOUNT-BETRH, sy-vline,
  WA_FARR_S_POSTING_BY_ACCOUNT-HWAER, sy-vline,
  WA_FARR_S_POSTING_BY_ACCOUNT-BETR2, sy-vline,
  WA_FARR_S_POSTING_BY_ACCOUNT-HWAE2, sy-vline,
  WA_FARR_S_POSTING_BY_ACCOUNT-BETR3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FARR_S_POSTING_BY_ACCOUNT 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_POSTING_BY_ACCOUNT 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_POSTING_BY_ACCOUNT INTO WA_FARR_S_POSTING_BY_ACCOUNT.


*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_POSTING_BY_ACCOUNT-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_POSTING_BY_ACCOUNT-HKONT.
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_POSTING_BY_ACCOUNT_STR, 
COMPANY_CODE TYPE STRING,
ACCT_PRINCIPLE TYPE STRING,
SHKZG TYPE STRING,
HKONT 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,
BUTXT TYPE STRING,
ACCT_TXT TYPE STRING,
POB_NAME TYPE STRING,
POST_CAT_TXT TYPE STRING,
DC_INDICATOR_TXT TYPE STRING,
CONTRACT_TXT TYPE STRING,
COMPANY_CODE_TEXT TYPE STRING,
CONTRACT_TEXT TYPE STRING,
POB_TEXT TYPE STRING,
ACCOUNT_TEXT TYPE STRING,
CUSTOMER_TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FARR_S_POSTING_BY_ACCOUNT_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_POSTING_BY_ACCOUNT_STR-COMPANY_CODE sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-ACCT_PRINCIPLE sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-SHKZG sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-HKONT sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-BETRW sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-WAERS sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-BETRH sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-HWAER sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-BETR2 sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-HWAE2 sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-BETR3 sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-HWAE3 sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-BUTXT sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-ACCT_TXT sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-POB_NAME sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-POST_CAT_TXT sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-DC_INDICATOR_TXT sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-CONTRACT_TXT sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-COMPANY_CODE_TEXT sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-CONTRACT_TEXT sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-POB_TEXT sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-ACCOUNT_TEXT sy-vline 
WA_FARR_S_POSTING_BY_ACCOUNT_STR-CUSTOMER_TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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