ABAP Select data from SAP table FCO_EB_LOG_SI_KEKO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCO_EB_LOG_SI_KEKO
*  INTO TABLE @DATA(IT_FCO_EB_LOG_SI_KEKO2).
*--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_FCO_EB_LOG_SI_KEKO INDEX 1 INTO DATA(WA_FCO_EB_LOG_SI_KEKO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCO_EB_LOG_SI_KEKO>-REF_OBJECT = 1.
<FCO_EB_LOG_SI_KEKO>-COST_ESTIMATE = 1.
<FCO_EB_LOG_SI_KEKO>-COSTING_TYPE = 1.
<FCO_EB_LOG_SI_KEKO>-COSTING_DATE = 1.
<FCO_EB_LOG_SI_KEKO>-COSTING_VERSION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCO_EB_LOG_SI_KEKO-VALUATION_VARIANT, sy-vline,
  WA_FCO_EB_LOG_SI_KEKO-COSTS_ENTERED_MANUALLY, sy-vline,
  WA_FCO_EB_LOG_SI_KEKO-VALUATION_TYPE, sy-vline,
  WA_FCO_EB_LOG_SI_KEKO-POSTING_PERIOD, sy-vline,
  WA_FCO_EB_LOG_SI_KEKO-POSTING_YEAR, sy-vline,
  WA_FCO_EB_LOG_SI_KEKO-COSTING_VARIANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCO_EB_LOG_SI_KEKO 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_FCO_EB_LOG_SI_KEKO 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_FCO_EB_LOG_SI_KEKO INTO WA_FCO_EB_LOG_SI_KEKO.


*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 GJAHR, internal->external for field POSTING_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FCO_EB_LOG_SI_KEKO-POSTING_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCO_EB_LOG_SI_KEKO-POSTING_YEAR.
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_FCO_EB_LOG_SI_KEKO_STR, 
REF_OBJECT TYPE STRING,
COST_ESTIMATE TYPE STRING,
COSTING_TYPE TYPE STRING,
COSTING_DATE TYPE STRING,
COSTING_VERSION TYPE STRING,
VALUATION_VARIANT TYPE STRING,
COSTS_ENTERED_MANUALLY TYPE STRING,
VALUATION_TYPE TYPE STRING,
POSTING_PERIOD TYPE STRING,
POSTING_YEAR TYPE STRING,
COSTING_VARIANT TYPE STRING,
ACTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCO_EB_LOG_SI_KEKO_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_FCO_EB_LOG_SI_KEKO_STR-REF_OBJECT sy-vline 
WA_FCO_EB_LOG_SI_KEKO_STR-COST_ESTIMATE sy-vline 
WA_FCO_EB_LOG_SI_KEKO_STR-COSTING_TYPE sy-vline 
WA_FCO_EB_LOG_SI_KEKO_STR-COSTING_DATE sy-vline 
WA_FCO_EB_LOG_SI_KEKO_STR-COSTING_VERSION sy-vline 
WA_FCO_EB_LOG_SI_KEKO_STR-VALUATION_VARIANT sy-vline 
WA_FCO_EB_LOG_SI_KEKO_STR-COSTS_ENTERED_MANUALLY sy-vline 
WA_FCO_EB_LOG_SI_KEKO_STR-VALUATION_TYPE sy-vline 
WA_FCO_EB_LOG_SI_KEKO_STR-POSTING_PERIOD sy-vline 
WA_FCO_EB_LOG_SI_KEKO_STR-POSTING_YEAR sy-vline 
WA_FCO_EB_LOG_SI_KEKO_STR-COSTING_VARIANT sy-vline 
WA_FCO_EB_LOG_SI_KEKO_STR-ACTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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