ABAP Select data from SAP table ICL_CCALC_SCR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_CCALC_SCR
*  INTO TABLE @DATA(IT_ICL_CCALC_SCR2).
*--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_ICL_CCALC_SCR INDEX 1 INTO DATA(WA_ICL_CCALC_SCR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICL_CCALC_SCR>-CLAIM = 1.
<ICL_CCALC_SCR>-SUBCLAIM = 1.
<ICL_CCALC_SCR>-SUBCLTYPE = 1.
<ICL_CCALC_SCR>-PROCUREMENT = 1.
<ICL_CCALC_SCR>-CCALCITEMCAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_CCALC_SCR-ITEM, sy-vline,
  WA_ICL_CCALC_SCR-PAYMENTSUBCL, sy-vline,
  WA_ICL_CCALC_SCR-PAYMENT, sy-vline,
  WA_ICL_CCALC_SCR-PAYMENTITEM, sy-vline,
  WA_ICL_CCALC_SCR-POLPROD, sy-vline,
  WA_ICL_CCALC_SCR-COVTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_CCALC_SCR 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_ICL_CCALC_SCR 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_ICL_CCALC_SCR INTO WA_ICL_CCALC_SCR.


*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 CLAIM, internal->external for field CLAIM
CALL FUNCTION 'CONVERSION_EXIT_CLAIM_OUTPUT'
  EXPORTING
    input =                      WA_ICL_CCALC_SCR-CLAIM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_CCALC_SCR-CLAIM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field EVQUANUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ICL_CCALC_SCR-EVQUANUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_CCALC_SCR-EVQUANUNIT.
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_ICL_CCALC_SCR_STR, 
CLAIM TYPE STRING,
SUBCLAIM TYPE STRING,
SUBCLTYPE TYPE STRING,
PROCUREMENT TYPE STRING,
CCALCITEMCAT TYPE STRING,
ITEM TYPE STRING,
PAYMENTSUBCL TYPE STRING,
PAYMENT TYPE STRING,
PAYMENTITEM TYPE STRING,
POLPROD TYPE STRING,
COVTYPE TYPE STRING,
BENTYPE TYPE STRING,
RCOVTYPE TYPE STRING,
XWAITPERIOD TYPE STRING,
COVERAGE TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
PBENTYPE TYPE STRING,
PBLEVEL TYPE STRING,
BENTYPENAME TYPE STRING,
EVAMOUNT TYPE STRING,
EVCURR TYPE STRING,
EVAMTPERUNIT TYPE STRING,
EVQUANTITY TYPE STRING,
EVQUANUNIT TYPE STRING,
REQUESTED TYPE STRING,
CCAMOUNT TYPE STRING,
CCCURR TYPE STRING,
CCAMOUNT_NEW TYPE STRING,
DEDUCTION TYPE STRING,
PREVPAID TYPE STRING,
PRVPDCURR TYPE STRING,
PAMPAID TYPE STRING,
LIMDEDREST TYPE STRING,
DESCRIPTION TYPE STRING,
REJREASON TYPE STRING,
REJREASONN TYPE STRING,
DAMAGEDOBJ TYPE STRING,
INSUREDOBJ TYPE STRING,
ITEMSEL TYPE STRING,
PAID TYPE STRING,
PROCURED TYPE STRING,
XMULTDOBJ TYPE STRING,
CMC_RULE TYPE STRING,
RULENAME TYPE STRING,
XPOLICY TYPE STRING,
CALCORDER TYPE STRING,
LIMITUNIT TYPE STRING,
SEVERAL TYPE STRING,
NODEKEY TYPE STRING,
FACTOR TYPE STRING,
CALCEXPRESSION TYPE STRING,
DEDQUANTREST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_CCALC_SCR_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_ICL_CCALC_SCR_STR-CLAIM sy-vline 
WA_ICL_CCALC_SCR_STR-SUBCLAIM sy-vline 
WA_ICL_CCALC_SCR_STR-SUBCLTYPE sy-vline 
WA_ICL_CCALC_SCR_STR-PROCUREMENT sy-vline 
WA_ICL_CCALC_SCR_STR-CCALCITEMCAT sy-vline 
WA_ICL_CCALC_SCR_STR-ITEM sy-vline 
WA_ICL_CCALC_SCR_STR-PAYMENTSUBCL sy-vline 
WA_ICL_CCALC_SCR_STR-PAYMENT sy-vline 
WA_ICL_CCALC_SCR_STR-PAYMENTITEM sy-vline 
WA_ICL_CCALC_SCR_STR-POLPROD sy-vline 
WA_ICL_CCALC_SCR_STR-COVTYPE sy-vline 
WA_ICL_CCALC_SCR_STR-BENTYPE sy-vline 
WA_ICL_CCALC_SCR_STR-RCOVTYPE sy-vline 
WA_ICL_CCALC_SCR_STR-XWAITPERIOD sy-vline 
WA_ICL_CCALC_SCR_STR-COVERAGE sy-vline 
WA_ICL_CCALC_SCR_STR-VALIDFROM sy-vline 
WA_ICL_CCALC_SCR_STR-VALIDTO sy-vline 
WA_ICL_CCALC_SCR_STR-PBENTYPE sy-vline 
WA_ICL_CCALC_SCR_STR-PBLEVEL sy-vline 
WA_ICL_CCALC_SCR_STR-BENTYPENAME sy-vline 
WA_ICL_CCALC_SCR_STR-EVAMOUNT sy-vline 
WA_ICL_CCALC_SCR_STR-EVCURR sy-vline 
WA_ICL_CCALC_SCR_STR-EVAMTPERUNIT sy-vline 
WA_ICL_CCALC_SCR_STR-EVQUANTITY sy-vline 
WA_ICL_CCALC_SCR_STR-EVQUANUNIT sy-vline 
WA_ICL_CCALC_SCR_STR-REQUESTED sy-vline 
WA_ICL_CCALC_SCR_STR-CCAMOUNT sy-vline 
WA_ICL_CCALC_SCR_STR-CCCURR sy-vline 
WA_ICL_CCALC_SCR_STR-CCAMOUNT_NEW sy-vline 
WA_ICL_CCALC_SCR_STR-DEDUCTION sy-vline 
WA_ICL_CCALC_SCR_STR-PREVPAID sy-vline 
WA_ICL_CCALC_SCR_STR-PRVPDCURR sy-vline 
WA_ICL_CCALC_SCR_STR-PAMPAID sy-vline 
WA_ICL_CCALC_SCR_STR-LIMDEDREST sy-vline 
WA_ICL_CCALC_SCR_STR-DESCRIPTION sy-vline 
WA_ICL_CCALC_SCR_STR-REJREASON sy-vline 
WA_ICL_CCALC_SCR_STR-REJREASONN sy-vline 
WA_ICL_CCALC_SCR_STR-DAMAGEDOBJ sy-vline 
WA_ICL_CCALC_SCR_STR-INSUREDOBJ sy-vline 
WA_ICL_CCALC_SCR_STR-ITEMSEL sy-vline 
WA_ICL_CCALC_SCR_STR-PAID sy-vline 
WA_ICL_CCALC_SCR_STR-PROCURED sy-vline 
WA_ICL_CCALC_SCR_STR-XMULTDOBJ sy-vline 
WA_ICL_CCALC_SCR_STR-CMC_RULE sy-vline 
WA_ICL_CCALC_SCR_STR-RULENAME sy-vline 
WA_ICL_CCALC_SCR_STR-XPOLICY sy-vline 
WA_ICL_CCALC_SCR_STR-CALCORDER sy-vline 
WA_ICL_CCALC_SCR_STR-LIMITUNIT sy-vline 
WA_ICL_CCALC_SCR_STR-SEVERAL sy-vline 
WA_ICL_CCALC_SCR_STR-NODEKEY sy-vline 
WA_ICL_CCALC_SCR_STR-FACTOR sy-vline 
WA_ICL_CCALC_SCR_STR-CALCEXPRESSION sy-vline 
WA_ICL_CCALC_SCR_STR-DEDQUANTREST sy-vline      INTO ld_text SEPARATED BY SPACE.

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