ABAP Select data from SAP table FARR_S_CALCULATE_AMOUNT 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_CALCULATE_AMOUNT 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_CALCULATE_AMOUNT. 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_CALCULATE_AMOUNT 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_CALCULATE_AMOUNT TYPE STANDARD TABLE OF FARR_S_CALCULATE_AMOUNT,
      WA_FARR_S_CALCULATE_AMOUNT TYPE FARR_S_CALCULATE_AMOUNT,
      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_CALCULATE_AMOUNT> TYPE FARR_S_CALCULATE_AMOUNT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FARR_S_CALCULATE_AMOUNT
*  INTO TABLE @DATA(IT_FARR_S_CALCULATE_AMOUNT2).
*--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_CALCULATE_AMOUNT INDEX 1 INTO DATA(WA_FARR_S_CALCULATE_AMOUNT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FARR_S_CALCULATE_AMOUNT>-POB_ID = 1.
<FARR_S_CALCULATE_AMOUNT>-CONTRACTUAL_AMOUNT = 1.
<FARR_S_CALCULATE_AMOUNT>-ORDER_AMOUNT = 1.
<FARR_S_CALCULATE_AMOUNT>-DIFF_AMOUNT = 1.
<FARR_S_CALCULATE_AMOUNT>-ALLOCATED_AMOUNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FARR_S_CALCULATE_AMOUNT-REMAIN_ALLOC_AMOUNT, sy-vline,
  WA_FARR_S_CALCULATE_AMOUNT-INVOICED_AMOUNT, sy-vline,
  WA_FARR_S_CALCULATE_AMOUNT-FULFILLED_QUANTITY, sy-vline,
  WA_FARR_S_CALCULATE_AMOUNT-REMAIN_QUANTITY, sy-vline,
  WA_FARR_S_CALCULATE_AMOUNT-FULFILLED_POC, sy-vline,
  WA_FARR_S_CALCULATE_AMOUNT-FULFILLED_POC_REF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FARR_S_CALCULATE_AMOUNT 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_CALCULATE_AMOUNT 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_CALCULATE_AMOUNT INTO WA_FARR_S_CALCULATE_AMOUNT.


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

*Conversion exit RRQUT, internal->external for field FULFILLED_QUANTITY
CALL FUNCTION 'CONVERSION_EXIT_RRQUT_OUTPUT'
  EXPORTING
    input =                      WA_FARR_S_CALCULATE_AMOUNT-FULFILLED_QUANTITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_CALCULATE_AMOUNT-FULFILLED_QUANTITY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RRQUT, internal->external for field REMAIN_QUANTITY
CALL FUNCTION 'CONVERSION_EXIT_RRQUT_OUTPUT'
  EXPORTING
    input =                      WA_FARR_S_CALCULATE_AMOUNT-REMAIN_QUANTITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_CALCULATE_AMOUNT-REMAIN_QUANTITY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RRQUT, internal->external for field FULFILLED_POC
CALL FUNCTION 'CONVERSION_EXIT_RRQUT_OUTPUT'
  EXPORTING
    input =                      WA_FARR_S_CALCULATE_AMOUNT-FULFILLED_POC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_CALCULATE_AMOUNT-FULFILLED_POC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RRQUT, internal->external for field FULFILLED_POC_REF
CALL FUNCTION 'CONVERSION_EXIT_RRQUT_OUTPUT'
  EXPORTING
    input =                      WA_FARR_S_CALCULATE_AMOUNT-FULFILLED_POC_REF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_CALCULATE_AMOUNT-FULFILLED_POC_REF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RRQUT, internal->external for field FULFILLED_POC_BY_AMT
CALL FUNCTION 'CONVERSION_EXIT_RRQUT_OUTPUT'
  EXPORTING
    input =                      WA_FARR_S_CALCULATE_AMOUNT-FULFILLED_POC_BY_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_CALCULATE_AMOUNT-FULFILLED_POC_BY_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RRQUT, internal->external for field INVOICED_QUANTITY
CALL FUNCTION 'CONVERSION_EXIT_RRQUT_OUTPUT'
  EXPORTING
    input =                      WA_FARR_S_CALCULATE_AMOUNT-INVOICED_QUANTITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_CALCULATE_AMOUNT-INVOICED_QUANTITY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field QUANTITY_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FARR_S_CALCULATE_AMOUNT-QUANTITY_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_CALCULATE_AMOUNT-QUANTITY_UNIT.
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_CALCULATE_AMOUNT_STR, 
POB_ID TYPE STRING,
CONTRACTUAL_AMOUNT TYPE STRING,
ORDER_AMOUNT TYPE STRING,
DIFF_AMOUNT TYPE STRING,
ALLOCATED_AMOUNT TYPE STRING,
REMAIN_ALLOC_AMOUNT TYPE STRING,
INVOICED_AMOUNT TYPE STRING,
FULFILLED_QUANTITY TYPE STRING,
REMAIN_QUANTITY TYPE STRING,
FULFILLED_POC TYPE STRING,
FULFILLED_POC_REF TYPE STRING,
FULFILLED_POC_BY_AMT TYPE STRING,
INVOICED_QUANTITY TYPE STRING,
REC_COST TYPE STRING,
COST_AMOUNT TYPE STRING,
COST_CURK TYPE STRING,
RECOGNIZED_AMOUNT TYPE STRING,
RECOGNIZED_AMOUNT_NOPENDING TYPE STRING,
CURRENCY_KEY TYPE STRING,
QUANTITY_UNIT TYPE STRING,
FAIR_VALUE TYPE STRING,
SSP_PER_UNIT TYPE STRING,
HAS_ROR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FARR_S_CALCULATE_AMOUNT_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_CALCULATE_AMOUNT_STR-POB_ID sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-CONTRACTUAL_AMOUNT sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-ORDER_AMOUNT sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-DIFF_AMOUNT sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-ALLOCATED_AMOUNT sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-REMAIN_ALLOC_AMOUNT sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-INVOICED_AMOUNT sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-FULFILLED_QUANTITY sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-REMAIN_QUANTITY sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-FULFILLED_POC sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-FULFILLED_POC_REF sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-FULFILLED_POC_BY_AMT sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-INVOICED_QUANTITY sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-REC_COST sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-COST_AMOUNT sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-COST_CURK sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-RECOGNIZED_AMOUNT sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-RECOGNIZED_AMOUNT_NOPENDING sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-CURRENCY_KEY sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-QUANTITY_UNIT sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-FAIR_VALUE sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-SSP_PER_UNIT sy-vline 
WA_FARR_S_CALCULATE_AMOUNT_STR-HAS_ROR sy-vline      INTO ld_text SEPARATED BY SPACE.

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