ABAP Select data from SAP table ICL_CLAIMS_RENTA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICL_CLAIMS_RENTA 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_CLAIMS_RENTA. 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_CLAIMS_RENTA 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_CLAIMS_RENTA TYPE STANDARD TABLE OF ICL_CLAIMS_RENTA,
      WA_ICL_CLAIMS_RENTA TYPE ICL_CLAIMS_RENTA,
      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_CLAIMS_RENTA> TYPE ICL_CLAIMS_RENTA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_CLAIMS_RENTA
*  INTO TABLE @DATA(IT_ICL_CLAIMS_RENTA2).
*--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_CLAIMS_RENTA INDEX 1 INTO DATA(WA_ICL_CLAIMS_RENTA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICL_CLAIMS_RENTA>-PERIOD = 1.
<ICL_CLAIMS_RENTA>-POLICY = 1.
<ICL_CLAIMS_RENTA>-POLHOLDER = 1.
<ICL_CLAIMS_RENTA>-DESCRIP = 1.
<ICL_CLAIMS_RENTA>-CLPREMIUM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_CLAIMS_RENTA-CLPREMCUR, sy-vline,
  WA_ICL_CLAIMS_RENTA-CLCOSTS, sy-vline,
  WA_ICL_CLAIMS_RENTA-CLCOSTSCUR, sy-vline,
  WA_ICL_CLAIMS_RENTA-CLRESERV, sy-vline,
  WA_ICL_CLAIMS_RENTA-CLRESCUR, sy-vline,
  WA_ICL_CLAIMS_RENTA-CLCOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_CLAIMS_RENTA 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_CLAIMS_RENTA 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_CLAIMS_RENTA INTO WA_ICL_CLAIMS_RENTA.


*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 POLCY, internal->external for field POLICY
CALL FUNCTION 'CONVERSION_EXIT_POLCY_OUTPUT'
  EXPORTING
    input =                      WA_ICL_CLAIMS_RENTA-POLICY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_CLAIMS_RENTA-POLICY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field POLHOLDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICL_CLAIMS_RENTA-POLHOLDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_CLAIMS_RENTA-POLHOLDER.
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_CLAIMS_RENTA_STR, 
PERIOD TYPE STRING,
POLICY TYPE STRING,
POLHOLDER TYPE STRING,
DESCRIP TYPE STRING,
CLPREMIUM TYPE STRING,
CLPREMCUR TYPE STRING,
CLCOSTS TYPE STRING,
CLCOSTSCUR TYPE STRING,
CLRESERV TYPE STRING,
CLRESCUR TYPE STRING,
CLCOUNT TYPE STRING,
CLCNTOPEN TYPE STRING,
CLRENT TYPE STRING,
LINECOLOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_CLAIMS_RENTA_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_CLAIMS_RENTA_STR-PERIOD sy-vline 
WA_ICL_CLAIMS_RENTA_STR-POLICY sy-vline 
WA_ICL_CLAIMS_RENTA_STR-POLHOLDER sy-vline 
WA_ICL_CLAIMS_RENTA_STR-DESCRIP sy-vline 
WA_ICL_CLAIMS_RENTA_STR-CLPREMIUM sy-vline 
WA_ICL_CLAIMS_RENTA_STR-CLPREMCUR sy-vline 
WA_ICL_CLAIMS_RENTA_STR-CLCOSTS sy-vline 
WA_ICL_CLAIMS_RENTA_STR-CLCOSTSCUR sy-vline 
WA_ICL_CLAIMS_RENTA_STR-CLRESERV sy-vline 
WA_ICL_CLAIMS_RENTA_STR-CLRESCUR sy-vline 
WA_ICL_CLAIMS_RENTA_STR-CLCOUNT sy-vline 
WA_ICL_CLAIMS_RENTA_STR-CLCNTOPEN sy-vline 
WA_ICL_CLAIMS_RENTA_STR-CLRENT sy-vline 
WA_ICL_CLAIMS_RENTA_STR-LINECOLOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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