ABAP Select data from SAP table CPES_FORMULA_INTF into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CPES_FORMULA_INTF 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 CPES_FORMULA_INTF. 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 CPES_FORMULA_INTF 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_CPES_FORMULA_INTF TYPE STANDARD TABLE OF CPES_FORMULA_INTF,
      WA_CPES_FORMULA_INTF TYPE CPES_FORMULA_INTF,
      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: <CPES_FORMULA_INTF> TYPE CPES_FORMULA_INTF.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPES_FORMULA_INTF
*  INTO TABLE @DATA(IT_CPES_FORMULA_INTF2).
*--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_CPES_FORMULA_INTF INDEX 1 INTO DATA(WA_CPES_FORMULA_INTF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPES_FORMULA_INTF>-KNUMV = 1.
<CPES_FORMULA_INTF>-KPOSN = 1.
<CPES_FORMULA_INTF>-COND_TYPE = 1.
<CPES_FORMULA_INTF>-FORMID = 1.
<CPES_FORMULA_INTF>-FIXFORMRATE_DF34 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPES_FORMULA_INTF-FIXFORMCURR, sy-vline,
  WA_CPES_FORMULA_INTF-FIXFORMPRUN, sy-vline,
  WA_CPES_FORMULA_INTF-FIXFORMUOM, sy-vline,
  WA_CPES_FORMULA_INTF-FORMCOMMUOM, sy-vline,
  WA_CPES_FORMULA_INTF-FORMCURR, sy-vline,
  WA_CPES_FORMULA_INTF-FORMPRUN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPES_FORMULA_INTF 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_CPES_FORMULA_INTF 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_CPES_FORMULA_INTF INTO WA_CPES_FORMULA_INTF.


*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 CUNIT, internal->external for field FIXFORMUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CPES_FORMULA_INTF-FIXFORMUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPES_FORMULA_INTF-FIXFORMUOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field FORMCOMMUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CPES_FORMULA_INTF-FORMCOMMUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPES_FORMULA_INTF-FORMCOMMUOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field FORMUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CPES_FORMULA_INTF-FORMUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPES_FORMULA_INTF-FORMUOM.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field ITEMPRODUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CPES_FORMULA_INTF-ITEMPRODUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPES_FORMULA_INTF-ITEMPRODUOM.
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_CPES_FORMULA_INTF_STR, 
KNUMV TYPE STRING,
KPOSN TYPE STRING,
COND_TYPE TYPE STRING,
FORMID TYPE STRING,
FIXFORMRATE_DF34 TYPE STRING,
FIXFORMCURR TYPE STRING,
FIXFORMPRUN TYPE STRING,
FIXFORMUOM TYPE STRING,
FORMCOMMUOM TYPE STRING,
FORMCURR TYPE STRING,
FORMPRUN TYPE STRING,
FORMUOM TYPE STRING,
FORMEVALROUT TYPE STRING,
COMBROUT TYPE STRING,
QUANSPLITROUT TYPE STRING,
FORMQUANCONV TYPE STRING,
QUANCNV_COMM TYPE STRING,
QUANCNV_ITEM TYPE STRING,
ITEMPRODUOM TYPE STRING,
LATEST_EVAL_KEYDATE_ROUT TYPE STRING,
FORECAST_MODE TYPE STRING,
EXRATE_FORECAST_ROUT TYPE STRING,
FORMTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPES_FORMULA_INTF_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_CPES_FORMULA_INTF_STR-KNUMV sy-vline 
WA_CPES_FORMULA_INTF_STR-KPOSN sy-vline 
WA_CPES_FORMULA_INTF_STR-COND_TYPE sy-vline 
WA_CPES_FORMULA_INTF_STR-FORMID sy-vline 
WA_CPES_FORMULA_INTF_STR-FIXFORMRATE_DF34 sy-vline 
WA_CPES_FORMULA_INTF_STR-FIXFORMCURR sy-vline 
WA_CPES_FORMULA_INTF_STR-FIXFORMPRUN sy-vline 
WA_CPES_FORMULA_INTF_STR-FIXFORMUOM sy-vline 
WA_CPES_FORMULA_INTF_STR-FORMCOMMUOM sy-vline 
WA_CPES_FORMULA_INTF_STR-FORMCURR sy-vline 
WA_CPES_FORMULA_INTF_STR-FORMPRUN sy-vline 
WA_CPES_FORMULA_INTF_STR-FORMUOM sy-vline 
WA_CPES_FORMULA_INTF_STR-FORMEVALROUT sy-vline 
WA_CPES_FORMULA_INTF_STR-COMBROUT sy-vline 
WA_CPES_FORMULA_INTF_STR-QUANSPLITROUT sy-vline 
WA_CPES_FORMULA_INTF_STR-FORMQUANCONV sy-vline 
WA_CPES_FORMULA_INTF_STR-QUANCNV_COMM sy-vline 
WA_CPES_FORMULA_INTF_STR-QUANCNV_ITEM sy-vline 
WA_CPES_FORMULA_INTF_STR-ITEMPRODUOM sy-vline 
WA_CPES_FORMULA_INTF_STR-LATEST_EVAL_KEYDATE_ROUT sy-vline 
WA_CPES_FORMULA_INTF_STR-FORECAST_MODE sy-vline 
WA_CPES_FORMULA_INTF_STR-EXRATE_FORECAST_ROUT sy-vline 
WA_CPES_FORMULA_INTF_STR-FORMTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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