ABAP Select data from SAP table FARR_S_REV_SUMMARY 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_REV_SUMMARY 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_REV_SUMMARY. 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_REV_SUMMARY 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_REV_SUMMARY TYPE STANDARD TABLE OF FARR_S_REV_SUMMARY,
      WA_FARR_S_REV_SUMMARY TYPE FARR_S_REV_SUMMARY,
      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_REV_SUMMARY> TYPE FARR_S_REV_SUMMARY.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FARR_S_REV_SUMMARY
*  INTO TABLE @DATA(IT_FARR_S_REV_SUMMARY2).
*--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_REV_SUMMARY INDEX 1 INTO DATA(WA_FARR_S_REV_SUMMARY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FARR_S_REV_SUMMARY>-CONTRACT_ID = 1.
<FARR_S_REV_SUMMARY>-PLAN_COST = 1.
<FARR_S_REV_SUMMARY>-PLAN_PRICE = 1.
<FARR_S_REV_SUMMARY>-RECOG_COST = 1.
<FARR_S_REV_SUMMARY>-RECOG_PRICE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FARR_S_REV_SUMMARY-POST_COST, sy-vline,
  WA_FARR_S_REV_SUMMARY-POST_PRICE, sy-vline,
  WA_FARR_S_REV_SUMMARY-UNSCHEDULE_PRICE, sy-vline,
  WA_FARR_S_REV_SUMMARY-UNSCHEDULE_COST, sy-vline,
  WA_FARR_S_REV_SUMMARY-TOTAL_COST, sy-vline,
  WA_FARR_S_REV_SUMMARY-TOTAL_PRICE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FARR_S_REV_SUMMARY 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_REV_SUMMARY 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_REV_SUMMARY INTO WA_FARR_S_REV_SUMMARY.


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

*Conversion exit RRQUT, internal->external for field FULFILL_POC
CALL FUNCTION 'CONVERSION_EXIT_RRQUT_OUTPUT'
  EXPORTING
    input =                      WA_FARR_S_REV_SUMMARY-FULFILL_POC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_REV_SUMMARY-FULFILL_POC.
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_REV_SUMMARY_STR, 
CONTRACT_ID TYPE STRING,
PLAN_COST TYPE STRING,
PLAN_PRICE TYPE STRING,
RECOG_COST TYPE STRING,
RECOG_PRICE TYPE STRING,
POST_COST TYPE STRING,
POST_PRICE TYPE STRING,
UNSCHEDULE_PRICE TYPE STRING,
UNSCHEDULE_COST TYPE STRING,
TOTAL_COST TYPE STRING,
TOTAL_PRICE TYPE STRING,
PLAN_COST_CURK TYPE STRING,
PLAN_PRICE_CURK TYPE STRING,
RECOG_COST_CURK TYPE STRING,
RECOG_PRICE_CURK TYPE STRING,
UNSCH_PRICE_CURK TYPE STRING,
UNSCH_COST_CURK TYPE STRING,
TOTAL_COST_CURK TYPE STRING,
TOTAL_PRICE_CURK TYPE STRING,
SYMBOL_PERC TYPE STRING,
FULFILL_POC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FARR_S_REV_SUMMARY_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_REV_SUMMARY_STR-CONTRACT_ID sy-vline 
WA_FARR_S_REV_SUMMARY_STR-PLAN_COST sy-vline 
WA_FARR_S_REV_SUMMARY_STR-PLAN_PRICE sy-vline 
WA_FARR_S_REV_SUMMARY_STR-RECOG_COST sy-vline 
WA_FARR_S_REV_SUMMARY_STR-RECOG_PRICE sy-vline 
WA_FARR_S_REV_SUMMARY_STR-POST_COST sy-vline 
WA_FARR_S_REV_SUMMARY_STR-POST_PRICE sy-vline 
WA_FARR_S_REV_SUMMARY_STR-UNSCHEDULE_PRICE sy-vline 
WA_FARR_S_REV_SUMMARY_STR-UNSCHEDULE_COST sy-vline 
WA_FARR_S_REV_SUMMARY_STR-TOTAL_COST sy-vline 
WA_FARR_S_REV_SUMMARY_STR-TOTAL_PRICE sy-vline 
WA_FARR_S_REV_SUMMARY_STR-PLAN_COST_CURK sy-vline 
WA_FARR_S_REV_SUMMARY_STR-PLAN_PRICE_CURK sy-vline 
WA_FARR_S_REV_SUMMARY_STR-RECOG_COST_CURK sy-vline 
WA_FARR_S_REV_SUMMARY_STR-RECOG_PRICE_CURK sy-vline 
WA_FARR_S_REV_SUMMARY_STR-UNSCH_PRICE_CURK sy-vline 
WA_FARR_S_REV_SUMMARY_STR-UNSCH_COST_CURK sy-vline 
WA_FARR_S_REV_SUMMARY_STR-TOTAL_COST_CURK sy-vline 
WA_FARR_S_REV_SUMMARY_STR-TOTAL_PRICE_CURK sy-vline 
WA_FARR_S_REV_SUMMARY_STR-SYMBOL_PERC sy-vline 
WA_FARR_S_REV_SUMMARY_STR-FULFILL_POC sy-vline      INTO ld_text SEPARATED BY SPACE.

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