ABAP Select data from SAP table FARR_S_INB_SD_COST_MI_API 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_INB_SD_COST_MI_API 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_INB_SD_COST_MI_API. 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_INB_SD_COST_MI_API 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_INB_SD_COST_MI_API TYPE STANDARD TABLE OF FARR_S_INB_SD_COST_MI_API,
      WA_FARR_S_INB_SD_COST_MI_API TYPE FARR_S_INB_SD_COST_MI_API,
      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_INB_SD_COST_MI_API> TYPE FARR_S_INB_SD_COST_MI_API.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FARR_S_INB_SD_COST_MI_API
*  INTO TABLE @DATA(IT_FARR_S_INB_SD_COST_MI_API2).
*--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_INB_SD_COST_MI_API INDEX 1 INTO DATA(WA_FARR_S_INB_SD_COST_MI_API2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FARR_S_INB_SD_COST_MI_API>-SRCDOC_COMP = 1.
<FARR_S_INB_SD_COST_MI_API>-SRCDOC_LOGSYS = 1.
<FARR_S_INB_SD_COST_MI_API>-SRCDOC_TYPE = 1.
<FARR_S_INB_SD_COST_MI_API>-SRCDOC_ID = 1.
<FARR_S_INB_SD_COST_MI_API>-TIMESTAMP_UTC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FARR_S_INB_SD_COST_MI_API-HEADER_ID, sy-vline,
  WA_FARR_S_INB_SD_COST_MI_API-ITEM_ID, sy-vline,
  WA_FARR_S_INB_SD_COST_MI_API-BUKRS, sy-vline,
  WA_FARR_S_INB_SD_COST_MI_API-WAERS, sy-vline,
  WA_FARR_S_INB_SD_COST_MI_API-HWAER, sy-vline,
  WA_FARR_S_INB_SD_COST_MI_API-HWAE2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FARR_S_INB_SD_COST_MI_API 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_INB_SD_COST_MI_API 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_INB_SD_COST_MI_API INTO WA_FARR_S_INB_SD_COST_MI_API.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field AWREF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FARR_S_INB_SD_COST_MI_API-AWREF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_INB_SD_COST_MI_API-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_INB_SD_COST_MI_API-AWSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_INB_SD_COST_MI_API-AWSYS.
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_INB_SD_COST_MI_API_STR, 
SRCDOC_COMP TYPE STRING,
SRCDOC_LOGSYS TYPE STRING,
SRCDOC_TYPE TYPE STRING,
SRCDOC_ID TYPE STRING,
TIMESTAMP_UTC TYPE STRING,
HEADER_ID TYPE STRING,
ITEM_ID TYPE STRING,
BUKRS TYPE STRING,
WAERS TYPE STRING,
HWAER TYPE STRING,
HWAE2 TYPE STRING,
HWAE3 TYPE STRING,
QUANTITY TYPE STRING,
QUANTITY_UNIT TYPE STRING,
POSTING_DATE TYPE STRING,
ORIGDOC_COMP TYPE STRING,
ORIGDOC_LOGSYS TYPE STRING,
ORIGDOC_TYPE TYPE STRING,
ORIGDOC_ID TYPE STRING,
AWTYP TYPE STRING,
AWREF TYPE STRING,
AWORG TYPE STRING,
AWSYS TYPE STRING,
IGNORE_COST_BASED_COPA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FARR_S_INB_SD_COST_MI_API_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_INB_SD_COST_MI_API_STR-SRCDOC_COMP sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-SRCDOC_LOGSYS sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-SRCDOC_TYPE sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-SRCDOC_ID sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-TIMESTAMP_UTC sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-HEADER_ID sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-ITEM_ID sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-BUKRS sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-WAERS sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-HWAER sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-HWAE2 sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-HWAE3 sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-QUANTITY sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-QUANTITY_UNIT sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-POSTING_DATE sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-ORIGDOC_COMP sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-ORIGDOC_LOGSYS sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-ORIGDOC_TYPE sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-ORIGDOC_ID sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-AWTYP sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-AWREF sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-AWORG sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-AWSYS sy-vline 
WA_FARR_S_INB_SD_COST_MI_API_STR-IGNORE_COST_BASED_COPA sy-vline      INTO ld_text SEPARATED BY SPACE.

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