ABAP Select data from SAP table ICL_SUBROREQITEM_S_AL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICL_SUBROREQITEM_S_AL 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_SUBROREQITEM_S_AL. 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_SUBROREQITEM_S_AL 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_SUBROREQITEM_S_AL TYPE STANDARD TABLE OF ICL_SUBROREQITEM_S_AL,
      WA_ICL_SUBROREQITEM_S_AL TYPE ICL_SUBROREQITEM_S_AL,
      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_SUBROREQITEM_S_AL> TYPE ICL_SUBROREQITEM_S_AL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_SUBROREQITEM_S_AL
*  INTO TABLE @DATA(IT_ICL_SUBROREQITEM_S_AL2).
*--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_SUBROREQITEM_S_AL INDEX 1 INTO DATA(WA_ICL_SUBROREQITEM_S_AL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICL_SUBROREQITEM_S_AL>-CLIENT = 1.
<ICL_SUBROREQITEM_S_AL>-ACTIVE = 1.
<ICL_SUBROREQITEM_S_AL>-CLAIM = 1.
<ICL_SUBROREQITEM_S_AL>-SUBCLAIM = 1.
<ICL_SUBROREQITEM_S_AL>-PAYMENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_SUBROREQITEM_S_AL-PAYMENTITEM, sy-vline,
  WA_ICL_SUBROREQITEM_S_AL-CHANGETIME, sy-vline,
  WA_ICL_SUBROREQITEM_S_AL-CHANGEDBY, sy-vline,
  WA_ICL_SUBROREQITEM_S_AL-DELETED, sy-vline,
  WA_ICL_SUBROREQITEM_S_AL-ITEMSUBCL, sy-vline,
  WA_ICL_SUBROREQITEM_S_AL-PAYITEMCAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_SUBROREQITEM_S_AL 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_SUBROREQITEM_S_AL 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_SUBROREQITEM_S_AL INTO WA_ICL_SUBROREQITEM_S_AL.


*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_SUBROREQITEM_S_AL-CLAIM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_SUBROREQITEM_S_AL-CLAIM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTAM, internal->external for field CHANGETIME
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICL_SUBROREQITEM_S_AL-CHANGETIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_SUBROREQITEM_S_AL-CHANGETIME.
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_SUBROREQITEM_S_AL_STR, 
CLIENT TYPE STRING,
ACTIVE TYPE STRING,
CLAIM TYPE STRING,
SUBCLAIM TYPE STRING,
PAYMENT TYPE STRING,
PAYMENTITEM TYPE STRING,
CHANGETIME TYPE STRING,
CHANGEDBY TYPE STRING,
DELETED TYPE STRING,
ITEMSUBCL TYPE STRING,
PAYITEMCAT TYPE STRING,
PAMPAID TYPE STRING,
BENTYPE TYPE STRING,
COVTYPE TYPE STRING,
PYMTYPE TYPE STRING,
PAYTYPEI TYPE STRING,
TREASONSET TYPE STRING,
TREASON TYPE STRING,
GROSS_NET TYPE STRING,
TXCOD TYPE STRING,
TAXCODE_ID TYPE STRING,
REQUESTED TYPE STRING,
POSTDATEI TYPE STRING,
ITEM TYPE STRING,
REFNO TYPE STRING,
PAYITY TYPE STRING,
REPID TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
ASSIGN_GUID TYPE STRING,
CDDOCITEM TYPE STRING,
REQUESTED_ORIG TYPE STRING,
DUP_PAMPAID TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
REFPAYITEM TYPE STRING,
MSATZ TYPE STRING,
KTOSL TYPE STRING,
KSCHL TYPE STRING,
_DATAAGING TYPE STRING,
TXJCD TYPE STRING,
TXBSAMT TYPE STRING,
ITEMSUBCLTXT TYPE STRING,
SUBCLTYPE TYPE STRING,
SUBCLTYPE_NAME TYPE STRING,
SUBCLTYPEDESC TYPE STRING,
COVERAGE TYPE STRING,
COVTYPE_NAME TYPE STRING,
INCURREDLOSS TYPE STRING,
SUBCLAIM_REF TYPE STRING,
PAYMENT_REF TYPE STRING,
PAYMENTITEM_REF TYPE STRING,
CURR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_SUBROREQITEM_S_AL_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_SUBROREQITEM_S_AL_STR-CLIENT sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-ACTIVE sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-CLAIM sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-SUBCLAIM sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-PAYMENT sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-PAYMENTITEM sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-CHANGETIME sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-CHANGEDBY sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-DELETED sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-ITEMSUBCL sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-PAYITEMCAT sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-PAMPAID sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-BENTYPE sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-COVTYPE sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-PYMTYPE sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-PAYTYPEI sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-TREASONSET sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-TREASON sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-GROSS_NET sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-TXCOD sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-TAXCODE_ID sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-REQUESTED sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-POSTDATEI sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-ITEM sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-REFNO sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-PAYITY sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-REPID sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-VALIDFROM sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-VALIDTO sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-ASSIGN_GUID sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-CDDOCITEM sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-REQUESTED_ORIG sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-DUP_PAMPAID sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-COUNTRY sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-REGION sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-REFPAYITEM sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-MSATZ sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-KTOSL sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-KSCHL sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-_DATAAGING sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-TXJCD sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-TXBSAMT sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-ITEMSUBCLTXT sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-SUBCLTYPE sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-SUBCLTYPE_NAME sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-SUBCLTYPEDESC sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-COVERAGE sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-COVTYPE_NAME sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-INCURREDLOSS sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-SUBCLAIM_REF sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-PAYMENT_REF sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-PAYMENTITEM_REF sy-vline 
WA_ICL_SUBROREQITEM_S_AL_STR-CURR sy-vline      INTO ld_text SEPARATED BY SPACE.

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