ABAP Select data from SAP table IFIESTDCOSTRUN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFIESTDCOSTRUN
*  INTO TABLE @DATA(IT_IFIESTDCOSTRUN2).
*--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_IFIESTDCOSTRUN INDEX 1 INTO DATA(WA_IFIESTDCOSTRUN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IFIESTDCOSTRUN>-MANDT = 1.
<IFIESTDCOSTRUN>-ESTIMATEDCOSTCOSTINGRUN = 1.
<IFIESTDCOSTRUN>-ESTIMATEDCOSTCOSTINGRUNDATE = 1.
<IFIESTDCOSTRUN>-COSTINGVERSION = 1.
<IFIESTDCOSTRUN>-ESTIMATEDCOSTCOSTINGRUNDESC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFIESTDCOSTRUN-COSTINGVARIANT, sy-vline,
  WA_IFIESTDCOSTRUN-CONTROLLINGAREA, sy-vline,
  WA_IFIESTDCOSTRUN-COMPANYCODE, sy-vline,
  WA_IFIESTDCOSTRUN-COSTESTIMATETRANSFERCONTROL, sy-vline,
  WA_IFIESTDCOSTRUN-CREATEDBYUSER, sy-vline,
  WA_IFIESTDCOSTRUN-CREATIONDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IFIESTDCOSTRUN 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_IFIESTDCOSTRUN 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_IFIESTDCOSTRUN INTO WA_IFIESTDCOSTRUN.


*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 LEDGER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IFIESTDCOSTRUN-LEDGER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFIESTDCOSTRUN-LEDGER.
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_IFIESTDCOSTRUN_STR, 
MANDT TYPE STRING,
ESTIMATEDCOSTCOSTINGRUN TYPE STRING,
ESTIMATEDCOSTCOSTINGRUNDATE TYPE STRING,
COSTINGVERSION TYPE STRING,
ESTIMATEDCOSTCOSTINGRUNDESC TYPE STRING,
COSTINGVARIANT TYPE STRING,
CONTROLLINGAREA TYPE STRING,
COMPANYCODE TYPE STRING,
COSTESTIMATETRANSFERCONTROL TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
QUANTITYSTRUCTURETYPE TYPE STRING,
QUANTITYSTRUCTUREDATE TYPE STRING,
COSTINGTYPE TYPE STRING,
MATERIALVALUATIONDATE TYPE STRING,
COSTESTIMATEVALIDITYENDDATE TYPE STRING,
COSTESTIMATEVALIDITYSTARTDATE TYPE STRING,
ESTDCOSTCOSTGRUNRCRRCFRQCY TYPE STRING,
ESTDCOSTCOSTGRUNSTOPPINGSTEP TYPE STRING,
ESTDCOSTCOSTGRUNRCRRCDATE TYPE STRING,
ESTDCOSTCOSTGRUNRCRRCTIME TYPE STRING,
VALUATIONVARIANT TYPE STRING,
CONTROLLINGVALUATIONTYPE TYPE STRING,
LEDGER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFIESTDCOSTRUN_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_IFIESTDCOSTRUN_STR-MANDT sy-vline 
WA_IFIESTDCOSTRUN_STR-ESTIMATEDCOSTCOSTINGRUN sy-vline 
WA_IFIESTDCOSTRUN_STR-ESTIMATEDCOSTCOSTINGRUNDATE sy-vline 
WA_IFIESTDCOSTRUN_STR-COSTINGVERSION sy-vline 
WA_IFIESTDCOSTRUN_STR-ESTIMATEDCOSTCOSTINGRUNDESC sy-vline 
WA_IFIESTDCOSTRUN_STR-COSTINGVARIANT sy-vline 
WA_IFIESTDCOSTRUN_STR-CONTROLLINGAREA sy-vline 
WA_IFIESTDCOSTRUN_STR-COMPANYCODE sy-vline 
WA_IFIESTDCOSTRUN_STR-COSTESTIMATETRANSFERCONTROL sy-vline 
WA_IFIESTDCOSTRUN_STR-CREATEDBYUSER sy-vline 
WA_IFIESTDCOSTRUN_STR-CREATIONDATE sy-vline 
WA_IFIESTDCOSTRUN_STR-QUANTITYSTRUCTURETYPE sy-vline 
WA_IFIESTDCOSTRUN_STR-QUANTITYSTRUCTUREDATE sy-vline 
WA_IFIESTDCOSTRUN_STR-COSTINGTYPE sy-vline 
WA_IFIESTDCOSTRUN_STR-MATERIALVALUATIONDATE sy-vline 
WA_IFIESTDCOSTRUN_STR-COSTESTIMATEVALIDITYENDDATE sy-vline 
WA_IFIESTDCOSTRUN_STR-COSTESTIMATEVALIDITYSTARTDATE sy-vline 
WA_IFIESTDCOSTRUN_STR-ESTDCOSTCOSTGRUNRCRRCFRQCY sy-vline 
WA_IFIESTDCOSTRUN_STR-ESTDCOSTCOSTGRUNSTOPPINGSTEP sy-vline 
WA_IFIESTDCOSTRUN_STR-ESTDCOSTCOSTGRUNRCRRCDATE sy-vline 
WA_IFIESTDCOSTRUN_STR-ESTDCOSTCOSTGRUNRCRRCTIME sy-vline 
WA_IFIESTDCOSTRUN_STR-VALUATIONVARIANT sy-vline 
WA_IFIESTDCOSTRUN_STR-CONTROLLINGVALUATIONTYPE sy-vline 
WA_IFIESTDCOSTRUN_STR-LEDGER sy-vline      INTO ld_text SEPARATED BY SPACE.

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