ABAP Select data from SAP table IICLFORESRVPITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IICLFORESRVPITEM
*  INTO TABLE @DATA(IT_IICLFORESRVPITEM2).
*--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_IICLFORESRVPITEM INDEX 1 INTO DATA(WA_IICLFORESRVPITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IICLFORESRVPITEM>-MANDT = 1.
<IICLFORESRVPITEM>-INSURANCECLAIM = 1.
<IICLFORESRVPITEM>-INSURCLMSUBCLM = 1.
<IICLFORESRVPITEM>-INSURCLMPAYT = 1.
<IICLFORESRVPITEM>-INSURCLMPAYTITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IICLFORESRVPITEM-INSURCLMITEMSUBCLM, sy-vline,
  WA_IICLFORESRVPITEM-INSURCLMPAYTCAT, sy-vline,
  WA_IICLFORESRVPITEM-INSURCLMPAYTAMT, sy-vline,
  WA_IICLFORESRVPITEM-INSURCLMRESERVEPAYTAMT, sy-vline,
  WA_IICLFORESRVPITEM-INSURCLMRESERVEPAYTAMTNGTVVAL, sy-vline,
  WA_IICLFORESRVPITEM-INSURBNFTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IICLFORESRVPITEM 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_IICLFORESRVPITEM 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_IICLFORESRVPITEM INTO WA_IICLFORESRVPITEM.


*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 INSURANCECLAIM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IICLFORESRVPITEM-INSURANCECLAIM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IICLFORESRVPITEM-INSURANCECLAIM.
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_IICLFORESRVPITEM_STR, 
MANDT TYPE STRING,
INSURANCECLAIM TYPE STRING,
INSURCLMSUBCLM TYPE STRING,
INSURCLMPAYT TYPE STRING,
INSURCLMPAYTITEM TYPE STRING,
INSURCLMITEMSUBCLM TYPE STRING,
INSURCLMPAYTCAT TYPE STRING,
INSURCLMPAYTAMT TYPE STRING,
INSURCLMRESERVEPAYTAMT TYPE STRING,
INSURCLMRESERVEPAYTAMTNGTVVAL TYPE STRING,
INSURBNFTTYPE TYPE STRING,
INSURCLMRSRVTYPE TYPE STRING,
INSURCLMLOSSEXPNTYPE TYPE STRING,
INSURCLMTYPE TYPE STRING,
INSURCLMTYPEGENERATION TYPE STRING,
INSURCLMTYPEVERS TYPE STRING,
INSURCLMSUBCLMTYPE TYPE STRING,
INSURCLMPAYMENTCURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IICLFORESRVPITEM_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_IICLFORESRVPITEM_STR-MANDT sy-vline 
WA_IICLFORESRVPITEM_STR-INSURANCECLAIM sy-vline 
WA_IICLFORESRVPITEM_STR-INSURCLMSUBCLM sy-vline 
WA_IICLFORESRVPITEM_STR-INSURCLMPAYT sy-vline 
WA_IICLFORESRVPITEM_STR-INSURCLMPAYTITEM sy-vline 
WA_IICLFORESRVPITEM_STR-INSURCLMITEMSUBCLM sy-vline 
WA_IICLFORESRVPITEM_STR-INSURCLMPAYTCAT sy-vline 
WA_IICLFORESRVPITEM_STR-INSURCLMPAYTAMT sy-vline 
WA_IICLFORESRVPITEM_STR-INSURCLMRESERVEPAYTAMT sy-vline 
WA_IICLFORESRVPITEM_STR-INSURCLMRESERVEPAYTAMTNGTVVAL sy-vline 
WA_IICLFORESRVPITEM_STR-INSURBNFTTYPE sy-vline 
WA_IICLFORESRVPITEM_STR-INSURCLMRSRVTYPE sy-vline 
WA_IICLFORESRVPITEM_STR-INSURCLMLOSSEXPNTYPE sy-vline 
WA_IICLFORESRVPITEM_STR-INSURCLMTYPE sy-vline 
WA_IICLFORESRVPITEM_STR-INSURCLMTYPEGENERATION sy-vline 
WA_IICLFORESRVPITEM_STR-INSURCLMTYPEVERS sy-vline 
WA_IICLFORESRVPITEM_STR-INSURCLMSUBCLMTYPE sy-vline 
WA_IICLFORESRVPITEM_STR-INSURCLMPAYMENTCURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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