ABAP Select data from SAP table /SAPAPO/SOS_EXT_COSTFUNC into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/SOS_EXT_COSTFUNC 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 /SAPAPO/SOS_EXT_COSTFUNC. 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 /SAPAPO/SOS_EXT_COSTFUNC 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_/SAPAPO/SOS_EXT_COSTFUNC TYPE STANDARD TABLE OF /SAPAPO/SOS_EXT_COSTFUNC,
      WA_/SAPAPO/SOS_EXT_COSTFUNC TYPE /SAPAPO/SOS_EXT_COSTFUNC,
      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: </SAPAPO/SOS_EXT_COSTFUNC> TYPE /SAPAPO/SOS_EXT_COSTFUNC.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/SOS_EXT_COSTFUNC
  INTO TABLE IT_/SAPAPO/SOS_EXT_COSTFUNC.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/SOS_EXT_COSTFUNC
*  INTO TABLE @DATA(IT_/SAPAPO/SOS_EXT_COSTFUNC2).
*--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_/SAPAPO/SOS_EXT_COSTFUNC INDEX 1 INTO DATA(WA_/SAPAPO/SOS_EXT_COSTFUNC2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/SOS_EXT_COSTFUNC ASSIGNING </SAPAPO/SOS_EXT_COSTFUNC>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/SOS_EXT_COSTFUNC>-BTYPETXT = 1.
</SAPAPO/SOS_EXT_COSTFUNC>-BTYPE = 1.
</SAPAPO/SOS_EXT_COSTFUNC>-MATNR = 1.
</SAPAPO/SOS_EXT_COSTFUNC>-EBELN = 1.
</SAPAPO/SOS_EXT_COSTFUNC>-EBELP = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/SOS_EXT_COSTFUNC INTO WA_/SAPAPO/SOS_EXT_COSTFUNC.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/SOS_EXT_COSTFUNC-EKORG, sy-vline,
  WA_/SAPAPO/SOS_EXT_COSTFUNC-UNIT, sy-vline,
  WA_/SAPAPO/SOS_EXT_COSTFUNC-TOTCOST, sy-vline,
  WA_/SAPAPO/SOS_EXT_COSTFUNC-PCOST, sy-vline,
  WA_/SAPAPO/SOS_EXT_COSTFUNC-TCOST, sy-vline,
  WA_/SAPAPO/SOS_EXT_COSTFUNC-MINLS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/SOS_EXT_COSTFUNC 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_/SAPAPO/SOS_EXT_COSTFUNC 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_/SAPAPO/SOS_EXT_COSTFUNC INTO WA_/SAPAPO/SOS_EXT_COSTFUNC.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SOS_EXT_COSTFUNC-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SOS_EXT_COSTFUNC-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SOS_EXT_COSTFUNC-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SOS_EXT_COSTFUNC-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_/SAPAPO/SOS_EXT_COSTFUNC_STR, 
BTYPETXT TYPE STRING,
BTYPE TYPE STRING,
MATNR TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
EKORG TYPE STRING,
UNIT TYPE STRING,
TOTCOST TYPE STRING,
PCOST TYPE STRING,
TCOST TYPE STRING,
MINLS TYPE STRING,
COSEX TYPE STRING,
COSTX TYPE STRING,
ORIGN TYPE STRING,
FIXCO TYPE STRING,
VARCO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/SOS_EXT_COSTFUNC_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_/SAPAPO/SOS_EXT_COSTFUNC_STR-BTYPETXT sy-vline 
WA_/SAPAPO/SOS_EXT_COSTFUNC_STR-BTYPE sy-vline 
WA_/SAPAPO/SOS_EXT_COSTFUNC_STR-MATNR sy-vline 
WA_/SAPAPO/SOS_EXT_COSTFUNC_STR-EBELN sy-vline 
WA_/SAPAPO/SOS_EXT_COSTFUNC_STR-EBELP sy-vline 
WA_/SAPAPO/SOS_EXT_COSTFUNC_STR-EKORG sy-vline 
WA_/SAPAPO/SOS_EXT_COSTFUNC_STR-UNIT sy-vline 
WA_/SAPAPO/SOS_EXT_COSTFUNC_STR-TOTCOST sy-vline 
WA_/SAPAPO/SOS_EXT_COSTFUNC_STR-PCOST sy-vline 
WA_/SAPAPO/SOS_EXT_COSTFUNC_STR-TCOST sy-vline 
WA_/SAPAPO/SOS_EXT_COSTFUNC_STR-MINLS sy-vline 
WA_/SAPAPO/SOS_EXT_COSTFUNC_STR-COSEX sy-vline 
WA_/SAPAPO/SOS_EXT_COSTFUNC_STR-COSTX sy-vline 
WA_/SAPAPO/SOS_EXT_COSTFUNC_STR-ORIGN sy-vline 
WA_/SAPAPO/SOS_EXT_COSTFUNC_STR-FIXCO sy-vline 
WA_/SAPAPO/SOS_EXT_COSTFUNC_STR-VARCO sy-vline      INTO ld_text SEPARATED BY SPACE.

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