ABAP Select data from SAP table ICLX_IO_BILL_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICLX_IO_BILL_S
*  INTO TABLE @DATA(IT_ICLX_IO_BILL_S2).
*--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_ICLX_IO_BILL_S INDEX 1 INTO DATA(WA_ICLX_IO_BILL_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICLX_IO_BILL_S>-BLL_CLAIM_GUID = 1.
<ICLX_IO_BILL_S>-BLL_BILL_GUID = 1.
<ICLX_IO_BILL_S>-BLL_UPDATE_TYPE = 1.
<ICLX_IO_BILL_S>-BLL_EXT_BILL_NO = 1.
<ICLX_IO_BILL_S>-BLL_EXT_DOC_NUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICLX_IO_BILL_S-BLL_BILL_TYPE, sy-vline,
  WA_ICLX_IO_BILL_S-BLL_ISSUE_DATE, sy-vline,
  WA_ICLX_IO_BILL_S-BLL_RECEIPT_DATE, sy-vline,
  WA_ICLX_IO_BILL_S-BLL_SERVICE_DATE_FROM, sy-vline,
  WA_ICLX_IO_BILL_S-BLL_SERVICE_DATE_TO, sy-vline,
  WA_ICLX_IO_BILL_S-BLL_CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICLX_IO_BILL_S 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_ICLX_IO_BILL_S 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_ICLX_IO_BILL_S INTO WA_ICLX_IO_BILL_S.


*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 TSTAM, internal->external for field BLL_CREATE_TIMESTAMP
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICLX_IO_BILL_S-BLL_CREATE_TIMESTAMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICLX_IO_BILL_S-BLL_CREATE_TIMESTAMP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTAM, internal->external for field BLL_CHANGE_TIMESTAMP
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICLX_IO_BILL_S-BLL_CHANGE_TIMESTAMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICLX_IO_BILL_S-BLL_CHANGE_TIMESTAMP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CLAIM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICLX_IO_BILL_S-CLAIM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICLX_IO_BILL_S-CLAIM.
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_ICLX_IO_BILL_S_STR, 
BLL_CLAIM_GUID TYPE STRING,
BLL_BILL_GUID TYPE STRING,
BLL_UPDATE_TYPE TYPE STRING,
BLL_EXT_BILL_NO TYPE STRING,
BLL_EXT_DOC_NUMBER TYPE STRING,
BLL_BILL_TYPE TYPE STRING,
BLL_ISSUE_DATE TYPE STRING,
BLL_RECEIPT_DATE TYPE STRING,
BLL_SERVICE_DATE_FROM TYPE STRING,
BLL_SERVICE_DATE_TO TYPE STRING,
BLL_CURRENCY TYPE STRING,
BLL_DATA_ORIGN TYPE STRING,
BLL_INT_BILL_NUMBER TYPE STRING,
BLL_STATUS TYPE STRING,
BLL_STATUS_DESCR TYPE STRING,
BLL_BILL_TYPE_DESCR TYPE STRING,
BLL_CURRENCY_DESCR TYPE STRING,
BLL_TOTAL_AMOUNT TYPE STRING,
BLL_TOTAL_AMOUNT_SUBM TYPE STRING,
BLL_TOTAL_AMOUNT_REPR TYPE STRING,
BLL_TOTAL_AMOUNT_DEDU TYPE STRING,
BLL_TOTAL_AMOUNT_FINAL TYPE STRING,
BLL_BENEFIT_TYPE TYPE STRING,
BLL_BENEFIT_TYPE_DESCR TYPE STRING,
BLL_DATA_ORIGN_DESCR TYPE STRING,
BLL_EXT_BILL_REF_NO TYPE STRING,
BLL_CREATE_TIMESTAMP TYPE STRING,
BLL_CREATED_BY TYPE STRING,
BLL_CREATED_BY_DESCR TYPE STRING,
BLL_CHANGE_TIMESTAMP TYPE STRING,
BLL_CHANGED_BY TYPE STRING,
BLL_CHANGED_BY_DESCR TYPE STRING,
CLAIM TYPE STRING,
SUBCLAIM TYPE STRING,
PROCUREMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICLX_IO_BILL_S_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_ICLX_IO_BILL_S_STR-BLL_CLAIM_GUID sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_BILL_GUID sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_UPDATE_TYPE sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_EXT_BILL_NO sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_EXT_DOC_NUMBER sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_BILL_TYPE sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_ISSUE_DATE sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_RECEIPT_DATE sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_SERVICE_DATE_FROM sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_SERVICE_DATE_TO sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_CURRENCY sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_DATA_ORIGN sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_INT_BILL_NUMBER sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_STATUS sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_STATUS_DESCR sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_BILL_TYPE_DESCR sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_CURRENCY_DESCR sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_TOTAL_AMOUNT sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_TOTAL_AMOUNT_SUBM sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_TOTAL_AMOUNT_REPR sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_TOTAL_AMOUNT_DEDU sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_TOTAL_AMOUNT_FINAL sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_BENEFIT_TYPE sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_BENEFIT_TYPE_DESCR sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_DATA_ORIGN_DESCR sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_EXT_BILL_REF_NO sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_CREATE_TIMESTAMP sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_CREATED_BY sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_CREATED_BY_DESCR sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_CHANGE_TIMESTAMP sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_CHANGED_BY sy-vline 
WA_ICLX_IO_BILL_S_STR-BLL_CHANGED_BY_DESCR sy-vline 
WA_ICLX_IO_BILL_S_STR-CLAIM sy-vline 
WA_ICLX_IO_BILL_S_STR-SUBCLAIM sy-vline 
WA_ICLX_IO_BILL_S_STR-PROCUREMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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