ABAP Select data from SAP table ICLH_ACC_REIMB_HDR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICLH_ACC_REIMB_HDR
*  INTO TABLE @DATA(IT_ICLH_ACC_REIMB_HDR2).
*--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_ICLH_ACC_REIMB_HDR INDEX 1 INTO DATA(WA_ICLH_ACC_REIMB_HDR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICLH_ACC_REIMB_HDR>-CLAIM = 1.
<ICLH_ACC_REIMB_HDR>-SUBCLAIM = 1.
<ICLH_ACC_REIMB_HDR>-PROCUREMENT = 1.
<ICLH_ACC_REIMB_HDR>-STATUS = 1.
<ICLH_ACC_REIMB_HDR>-CURRENCY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICLH_ACC_REIMB_HDR-COLOR, sy-vline,
  WA_ICLH_ACC_REIMB_HDR-CANCEL, sy-vline,
  WA_ICLH_ACC_REIMB_HDR-REJECTED, sy-vline,
  WA_ICLH_ACC_REIMB_HDR-INSUSPENSE, sy-vline,
  WA_ICLH_ACC_REIMB_HDR-INPROCESS, sy-vline,
  WA_ICLH_ACC_REIMB_HDR-RELEASED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICLH_ACC_REIMB_HDR 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_ICLH_ACC_REIMB_HDR 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_ICLH_ACC_REIMB_HDR INTO WA_ICLH_ACC_REIMB_HDR.


*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_ICLH_ACC_REIMB_HDR-CLAIM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICLH_ACC_REIMB_HDR-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_ICLH_ACC_REIMB_HDR_STR, 
CLAIM TYPE STRING,
SUBCLAIM TYPE STRING,
PROCUREMENT TYPE STRING,
STATUS TYPE STRING,
CURRENCY TYPE STRING,
COLOR TYPE STRING,
CANCEL TYPE STRING,
REJECTED TYPE STRING,
INSUSPENSE TYPE STRING,
INPROCESS TYPE STRING,
RELEASED TYPE STRING,
XFINISHED TYPE STRING,
ORDERED TYPE STRING,
TRANSFERRED TYPE STRING,
TOBEAPPROVED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICLH_ACC_REIMB_HDR_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_ICLH_ACC_REIMB_HDR_STR-CLAIM sy-vline 
WA_ICLH_ACC_REIMB_HDR_STR-SUBCLAIM sy-vline 
WA_ICLH_ACC_REIMB_HDR_STR-PROCUREMENT sy-vline 
WA_ICLH_ACC_REIMB_HDR_STR-STATUS sy-vline 
WA_ICLH_ACC_REIMB_HDR_STR-CURRENCY sy-vline 
WA_ICLH_ACC_REIMB_HDR_STR-COLOR sy-vline 
WA_ICLH_ACC_REIMB_HDR_STR-CANCEL sy-vline 
WA_ICLH_ACC_REIMB_HDR_STR-REJECTED sy-vline 
WA_ICLH_ACC_REIMB_HDR_STR-INSUSPENSE sy-vline 
WA_ICLH_ACC_REIMB_HDR_STR-INPROCESS sy-vline 
WA_ICLH_ACC_REIMB_HDR_STR-RELEASED sy-vline 
WA_ICLH_ACC_REIMB_HDR_STR-XFINISHED sy-vline 
WA_ICLH_ACC_REIMB_HDR_STR-ORDERED sy-vline 
WA_ICLH_ACC_REIMB_HDR_STR-TRANSFERRED sy-vline 
WA_ICLH_ACC_REIMB_HDR_STR-TOBEAPPROVED sy-vline      INTO ld_text SEPARATED BY SPACE.

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