ABAP Select data from SAP table ICL_WLM_CLAIM_SUBCLAIM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICL_WLM_CLAIM_SUBCLAIM 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_WLM_CLAIM_SUBCLAIM. 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_WLM_CLAIM_SUBCLAIM 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_WLM_CLAIM_SUBCLAIM TYPE STANDARD TABLE OF ICL_WLM_CLAIM_SUBCLAIM,
      WA_ICL_WLM_CLAIM_SUBCLAIM TYPE ICL_WLM_CLAIM_SUBCLAIM,
      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_WLM_CLAIM_SUBCLAIM> TYPE ICL_WLM_CLAIM_SUBCLAIM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_WLM_CLAIM_SUBCLAIM
*  INTO TABLE @DATA(IT_ICL_WLM_CLAIM_SUBCLAIM2).
*--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_WLM_CLAIM_SUBCLAIM INDEX 1 INTO DATA(WA_ICL_WLM_CLAIM_SUBCLAIM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICL_WLM_CLAIM_SUBCLAIM>-ORG_UNIT = 1.
<ICL_WLM_CLAIM_SUBCLAIM>-UNAME = 1.
<ICL_WLM_CLAIM_SUBCLAIM>-CLAIM = 1.
<ICL_WLM_CLAIM_SUBCLAIM>-SUBCLAIM = 1.
<ICL_WLM_CLAIM_SUBCLAIM>-SUBCLAIMTYPENAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_WLM_CLAIM_SUBCLAIM-CLAIMANT, sy-vline,
  WA_ICL_WLM_CLAIM_SUBCLAIM-CLAIMANTNAME, sy-vline,
  WA_ICL_WLM_CLAIM_SUBCLAIM-SUBCLSTATUSNAME, sy-vline,
  WA_ICL_WLM_CLAIM_SUBCLAIM-CURRENCY, sy-vline,
  WA_ICL_WLM_CLAIM_SUBCLAIM-TOTALINCURRED, sy-vline,
  WA_ICL_WLM_CLAIM_SUBCLAIM-DUMMY_CLAIM_SUBCLAIM_INCL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_WLM_CLAIM_SUBCLAIM 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_WLM_CLAIM_SUBCLAIM 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_WLM_CLAIM_SUBCLAIM INTO WA_ICL_WLM_CLAIM_SUBCLAIM.


*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 CLAIM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICL_WLM_CLAIM_SUBCLAIM-CLAIM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_WLM_CLAIM_SUBCLAIM-CLAIM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CLAIMANT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICL_WLM_CLAIM_SUBCLAIM-CLAIMANT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_WLM_CLAIM_SUBCLAIM-CLAIMANT.
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_WLM_CLAIM_SUBCLAIM_STR, 
ORG_UNIT TYPE STRING,
UNAME TYPE STRING,
CLAIM TYPE STRING,
SUBCLAIM TYPE STRING,
SUBCLAIMTYPENAME TYPE STRING,
CLAIMANT TYPE STRING,
CLAIMANTNAME TYPE STRING,
SUBCLSTATUSNAME TYPE STRING,
CURRENCY TYPE STRING,
TOTALINCURRED TYPE STRING,
DUMMY_CLAIM_SUBCLAIM_INCL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_WLM_CLAIM_SUBCLAIM_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_WLM_CLAIM_SUBCLAIM_STR-ORG_UNIT sy-vline 
WA_ICL_WLM_CLAIM_SUBCLAIM_STR-UNAME sy-vline 
WA_ICL_WLM_CLAIM_SUBCLAIM_STR-CLAIM sy-vline 
WA_ICL_WLM_CLAIM_SUBCLAIM_STR-SUBCLAIM sy-vline 
WA_ICL_WLM_CLAIM_SUBCLAIM_STR-SUBCLAIMTYPENAME sy-vline 
WA_ICL_WLM_CLAIM_SUBCLAIM_STR-CLAIMANT sy-vline 
WA_ICL_WLM_CLAIM_SUBCLAIM_STR-CLAIMANTNAME sy-vline 
WA_ICL_WLM_CLAIM_SUBCLAIM_STR-SUBCLSTATUSNAME sy-vline 
WA_ICL_WLM_CLAIM_SUBCLAIM_STR-CURRENCY sy-vline 
WA_ICL_WLM_CLAIM_SUBCLAIM_STR-TOTALINCURRED sy-vline 
WA_ICL_WLM_CLAIM_SUBCLAIM_STR-DUMMY_CLAIM_SUBCLAIM_INCL sy-vline      INTO ld_text SEPARATED BY SPACE.

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