ABAP Select data from SAP table ICARECONCILKEY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICARECONCILKEY
*  INTO TABLE @DATA(IT_ICARECONCILKEY2).
*--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_ICARECONCILKEY INDEX 1 INTO DATA(WA_ICARECONCILKEY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICARECONCILKEY>-MANDT = 1.
<ICARECONCILKEY>-CARECONCILIATIONKEY = 1.
<ICARECONCILKEY>-CREATEDBYUSER = 1.
<ICARECONCILKEY>-CREATIONDATE = 1.
<ICARECONCILKEY>-CARESERVATIONOBJECT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICARECONCILKEY-CARESERVATIONKEY, sy-vline,
  WA_ICARECONCILKEY-CARECNCLNKEYAGGREGATIONSTATUS, sy-vline,
  WA_ICARECONCILKEY-CARECNCLNKEYNMBROFTOTALSRECORD, sy-vline,
  WA_ICARECONCILKEY-CARECNCLNKEYISINCOMPLETE, sy-vline,
  WA_ICARECONCILKEY-CARECNCLNKEYCORRECTIONLEVEL, sy-vline,
  WA_ICARECONCILKEY-CARECNCLNKEYTRNSFDTOGLPOSTGDTE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICARECONCILKEY 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_ICARECONCILKEY 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_ICARECONCILKEY INTO WA_ICARECONCILKEY.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ICARECONCILKEY_STR, 
MANDT TYPE STRING,
CARECONCILIATIONKEY TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
CARESERVATIONOBJECT TYPE STRING,
CARESERVATIONKEY TYPE STRING,
CARECNCLNKEYAGGREGATIONSTATUS TYPE STRING,
CARECNCLNKEYNMBROFTOTALSRECORD TYPE STRING,
CARECNCLNKEYISINCOMPLETE TYPE STRING,
CARECNCLNKEYCORRECTIONLEVEL TYPE STRING,
CARECNCLNKEYTRNSFDTOGLPOSTGDTE TYPE STRING,
CARECNCLNKEYTRNSFDTOGLCRRTNLVL TYPE STRING,
CARECNCLNKEYISTRANSFERREDTOGL TYPE STRING,
CARECONCILIATIONKEYISCLOSED TYPE STRING,
CARECNCLNKEYHASARCHIVEDDOCS TYPE STRING,
CARECONCILIATIONKEYCLOSINGDATE TYPE STRING,
CARECONCILIATIONKEYCLOSINGTIME TYPE STRING,
CLOSEDBYUSER TYPE STRING,
CARECNCLNKEYLASTTRANSFERDATE TYPE STRING,
CANUMBEROFDOCSTRANSFERREDTOGL TYPE STRING,
CANUMBEROFTRANSFERSTOPRFTANLYS TYPE STRING,
CARECNCLNKEYTRNSFDPRFTANLYSSTS TYPE STRING,
CARECNCLNKEYHASMISSINGDOCS TYPE STRING,
CARECNCLNKEYSTSOFDETSTRUCTURES TYPE STRING,
CAADJMTISALLWDFORTRANSFERTOGL TYPE STRING,
PROFITABILITYSEGMENT TYPE STRING,
CARECNCLNKEYLMTDITEMIZATIONSTS TYPE STRING,
CARECNCLNKEYHASCORRECTION TYPE STRING,
CARECNCLNKEYBEHAVIORINRECNCLN TYPE STRING,
CARECNCLNKEYHASDIRECTTRANSFER TYPE STRING,
CARECNCLNKEYSTSOFTOTALSRECORDS TYPE STRING,
CAPROFITABILITYSGMTTRANSFDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICARECONCILKEY_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_ICARECONCILKEY_STR-MANDT sy-vline 
WA_ICARECONCILKEY_STR-CARECONCILIATIONKEY sy-vline 
WA_ICARECONCILKEY_STR-CREATEDBYUSER sy-vline 
WA_ICARECONCILKEY_STR-CREATIONDATE sy-vline 
WA_ICARECONCILKEY_STR-CARESERVATIONOBJECT sy-vline 
WA_ICARECONCILKEY_STR-CARESERVATIONKEY sy-vline 
WA_ICARECONCILKEY_STR-CARECNCLNKEYAGGREGATIONSTATUS sy-vline 
WA_ICARECONCILKEY_STR-CARECNCLNKEYNMBROFTOTALSRECORD sy-vline 
WA_ICARECONCILKEY_STR-CARECNCLNKEYISINCOMPLETE sy-vline 
WA_ICARECONCILKEY_STR-CARECNCLNKEYCORRECTIONLEVEL sy-vline 
WA_ICARECONCILKEY_STR-CARECNCLNKEYTRNSFDTOGLPOSTGDTE sy-vline 
WA_ICARECONCILKEY_STR-CARECNCLNKEYTRNSFDTOGLCRRTNLVL sy-vline 
WA_ICARECONCILKEY_STR-CARECNCLNKEYISTRANSFERREDTOGL sy-vline 
WA_ICARECONCILKEY_STR-CARECONCILIATIONKEYISCLOSED sy-vline 
WA_ICARECONCILKEY_STR-CARECNCLNKEYHASARCHIVEDDOCS sy-vline 
WA_ICARECONCILKEY_STR-CARECONCILIATIONKEYCLOSINGDATE sy-vline 
WA_ICARECONCILKEY_STR-CARECONCILIATIONKEYCLOSINGTIME sy-vline 
WA_ICARECONCILKEY_STR-CLOSEDBYUSER sy-vline 
WA_ICARECONCILKEY_STR-CARECNCLNKEYLASTTRANSFERDATE sy-vline 
WA_ICARECONCILKEY_STR-CANUMBEROFDOCSTRANSFERREDTOGL sy-vline 
WA_ICARECONCILKEY_STR-CANUMBEROFTRANSFERSTOPRFTANLYS sy-vline 
WA_ICARECONCILKEY_STR-CARECNCLNKEYTRNSFDPRFTANLYSSTS sy-vline 
WA_ICARECONCILKEY_STR-CARECNCLNKEYHASMISSINGDOCS sy-vline 
WA_ICARECONCILKEY_STR-CARECNCLNKEYSTSOFDETSTRUCTURES sy-vline 
WA_ICARECONCILKEY_STR-CAADJMTISALLWDFORTRANSFERTOGL sy-vline 
WA_ICARECONCILKEY_STR-PROFITABILITYSEGMENT sy-vline 
WA_ICARECONCILKEY_STR-CARECNCLNKEYLMTDITEMIZATIONSTS sy-vline 
WA_ICARECONCILKEY_STR-CARECNCLNKEYHASCORRECTION sy-vline 
WA_ICARECONCILKEY_STR-CARECNCLNKEYBEHAVIORINRECNCLN sy-vline 
WA_ICARECONCILKEY_STR-CARECNCLNKEYHASDIRECTTRANSFER sy-vline 
WA_ICARECONCILKEY_STR-CARECNCLNKEYSTSOFTOTALSRECORDS sy-vline 
WA_ICARECONCILKEY_STR-CAPROFITABILITYSGMTTRANSFDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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