ABAP Select data from SAP table ICABUSTRANS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICABUSTRANS
*  INTO TABLE @DATA(IT_ICABUSTRANS2).
*--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_ICABUSTRANS INDEX 1 INTO DATA(WA_ICABUSTRANS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICABUSTRANS>-MANDT = 1.
<ICABUSTRANS>-CABUSINESSTRANSACTIONUUID = 1.
<ICABUSTRANS>-CREATIONDATE = 1.
<ICABUSTRANS>-CREATIONTIME = 1.
<ICABUSTRANS>-CREATEDBYUSER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICABUSTRANS-CASUBAREAFORPARALLELIZATION, sy-vline,
  WA_ICABUSTRANS-CABUSINESSTRANSACTIONOBJECT, sy-vline,
  WA_ICABUSTRANS-CABUSINESSTRANSACTIONACTIVITY, sy-vline,
  WA_ICABUSTRANS-CABUSINESSTRANSACTIONNAME, sy-vline,
  WA_ICABUSTRANS-BUSINESSPARTNER, sy-vline,
  WA_ICABUSTRANS-CONTRACTACCOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICABUSTRANS 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_ICABUSTRANS 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_ICABUSTRANS INTO WA_ICABUSTRANS.


*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 BUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICABUSTRANS-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICABUSTRANS-BUSINESSPARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CONTRACTACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICABUSTRANS-CONTRACTACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICABUSTRANS-CONTRACTACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CACONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICABUSTRANS-CACONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICABUSTRANS-CACONTRACT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ORIGINALREFERENCEDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICABUSTRANS-ORIGINALREFERENCEDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICABUSTRANS-ORIGINALREFERENCEDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFERENCEDOCUMENTLOGICALSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICABUSTRANS-REFERENCEDOCUMENTLOGICALSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICABUSTRANS-REFERENCEDOCUMENTLOGICALSYSTEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGICALSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICABUSTRANS-LOGICALSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICABUSTRANS-LOGICALSYSTEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CADOCUMENTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICABUSTRANS-CADOCUMENTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICABUSTRANS-CADOCUMENTNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CABUSTRANSDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICABUSTRANS-CABUSTRANSDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICABUSTRANS-CABUSTRANSDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CAREFERENCEDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICABUSTRANS-CAREFERENCEDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICABUSTRANS-CAREFERENCEDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICABUSTRANS-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICABUSTRANS-SEGMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CABUSTRANSRELATEDOBJECT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICABUSTRANS-CABUSTRANSRELATEDOBJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICABUSTRANS-CABUSTRANSRELATEDOBJECT.
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_ICABUSTRANS_STR, 
MANDT TYPE STRING,
CABUSINESSTRANSACTIONUUID TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
CASUBAREAFORPARALLELIZATION TYPE STRING,
CABUSINESSTRANSACTIONOBJECT TYPE STRING,
CABUSINESSTRANSACTIONACTIVITY TYPE STRING,
CABUSINESSTRANSACTIONNAME TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
CACONTRACT TYPE STRING,
CASUBAPPLICATION TYPE STRING,
ORIGINALREFERENCEDOCUMENT TYPE STRING,
REFERENCEDOCUMENTTYPE TYPE STRING,
REFERENCEDOCUMENTLOGICALSYSTEM TYPE STRING,
LOGICALSYSTEM TYPE STRING,
CABUSTRANSEXTERNALREFERENCE TYPE STRING,
CAMASSRUNDATE TYPE STRING,
CAMASSRUNID TYPE STRING,
CABUSINESSTRANSACTIONPROCESS TYPE STRING,
CABUSTRANSPROCESSNAME TYPE STRING,
CABUSTRANSDOCUMENTTYPE TYPE STRING,
CADOCUMENTNUMBER TYPE STRING,
CABUSTRANSDOCUMENT TYPE STRING,
CAREPETITIONITEMNUMBER TYPE STRING,
CABPITEMNUMBER TYPE STRING,
CASUBITEMNUMBER TYPE STRING,
CAREFERENCEDOCUMENT TYPE STRING,
CACLASSIFICATIONKEY TYPE STRING,
CADOCUMENTORIGINCODE TYPE STRING,
CAPOSTINGDATE TYPE STRING,
CACLEARINGREASON TYPE STRING,
CAMAINTRANSACTION TYPE STRING,
CASUBTRANSACTION TYPE STRING,
CASTATISTICALITEMCODE TYPE STRING,
COMPANYCODE TYPE STRING,
SEGMENT TYPE STRING,
BUSINESSAREA TYPE STRING,
LEDGERGROUP TYPE STRING,
CABUSTRANSRELATIONSHIP TYPE STRING,
CABUSTRANSRELATEDOBJECT TYPE STRING,
CACORRESPONDENCETYPE TYPE STRING,
CORRESPONDENCEKEY TYPE STRING,
CORRESPONDENCEPRINTDATE TYPE STRING,
CURRENCY TYPE STRING,
CAAMOUNTINTRANSACTIONCURRENCY TYPE STRING,
CAPAYMENTEXCEPTIONREASON TYPE STRING,
CADUNNINGEXCEPTIONREASON TYPE STRING,
CARECEIVABLEADJUSTMENTREASON TYPE STRING,
CAPROMISETOPAYREASON TYPE STRING,
CAPROMISETOPAYWTHDRWLREASON TYPE STRING,
CAINSTLMNTPLANDACTVTNRSN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICABUSTRANS_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_ICABUSTRANS_STR-MANDT sy-vline 
WA_ICABUSTRANS_STR-CABUSINESSTRANSACTIONUUID sy-vline 
WA_ICABUSTRANS_STR-CREATIONDATE sy-vline 
WA_ICABUSTRANS_STR-CREATIONTIME sy-vline 
WA_ICABUSTRANS_STR-CREATEDBYUSER sy-vline 
WA_ICABUSTRANS_STR-CASUBAREAFORPARALLELIZATION sy-vline 
WA_ICABUSTRANS_STR-CABUSINESSTRANSACTIONOBJECT sy-vline 
WA_ICABUSTRANS_STR-CABUSINESSTRANSACTIONACTIVITY sy-vline 
WA_ICABUSTRANS_STR-CABUSINESSTRANSACTIONNAME sy-vline 
WA_ICABUSTRANS_STR-BUSINESSPARTNER sy-vline 
WA_ICABUSTRANS_STR-CONTRACTACCOUNT sy-vline 
WA_ICABUSTRANS_STR-CACONTRACT sy-vline 
WA_ICABUSTRANS_STR-CASUBAPPLICATION sy-vline 
WA_ICABUSTRANS_STR-ORIGINALREFERENCEDOCUMENT sy-vline 
WA_ICABUSTRANS_STR-REFERENCEDOCUMENTTYPE sy-vline 
WA_ICABUSTRANS_STR-REFERENCEDOCUMENTLOGICALSYSTEM sy-vline 
WA_ICABUSTRANS_STR-LOGICALSYSTEM sy-vline 
WA_ICABUSTRANS_STR-CABUSTRANSEXTERNALREFERENCE sy-vline 
WA_ICABUSTRANS_STR-CAMASSRUNDATE sy-vline 
WA_ICABUSTRANS_STR-CAMASSRUNID sy-vline 
WA_ICABUSTRANS_STR-CABUSINESSTRANSACTIONPROCESS sy-vline 
WA_ICABUSTRANS_STR-CABUSTRANSPROCESSNAME sy-vline 
WA_ICABUSTRANS_STR-CABUSTRANSDOCUMENTTYPE sy-vline 
WA_ICABUSTRANS_STR-CADOCUMENTNUMBER sy-vline 
WA_ICABUSTRANS_STR-CABUSTRANSDOCUMENT sy-vline 
WA_ICABUSTRANS_STR-CAREPETITIONITEMNUMBER sy-vline 
WA_ICABUSTRANS_STR-CABPITEMNUMBER sy-vline 
WA_ICABUSTRANS_STR-CASUBITEMNUMBER sy-vline 
WA_ICABUSTRANS_STR-CAREFERENCEDOCUMENT sy-vline 
WA_ICABUSTRANS_STR-CACLASSIFICATIONKEY sy-vline 
WA_ICABUSTRANS_STR-CADOCUMENTORIGINCODE sy-vline 
WA_ICABUSTRANS_STR-CAPOSTINGDATE sy-vline 
WA_ICABUSTRANS_STR-CACLEARINGREASON sy-vline 
WA_ICABUSTRANS_STR-CAMAINTRANSACTION sy-vline 
WA_ICABUSTRANS_STR-CASUBTRANSACTION sy-vline 
WA_ICABUSTRANS_STR-CASTATISTICALITEMCODE sy-vline 
WA_ICABUSTRANS_STR-COMPANYCODE sy-vline 
WA_ICABUSTRANS_STR-SEGMENT sy-vline 
WA_ICABUSTRANS_STR-BUSINESSAREA sy-vline 
WA_ICABUSTRANS_STR-LEDGERGROUP sy-vline 
WA_ICABUSTRANS_STR-CABUSTRANSRELATIONSHIP sy-vline 
WA_ICABUSTRANS_STR-CABUSTRANSRELATEDOBJECT sy-vline 
WA_ICABUSTRANS_STR-CACORRESPONDENCETYPE sy-vline 
WA_ICABUSTRANS_STR-CORRESPONDENCEKEY sy-vline 
WA_ICABUSTRANS_STR-CORRESPONDENCEPRINTDATE sy-vline 
WA_ICABUSTRANS_STR-CURRENCY sy-vline 
WA_ICABUSTRANS_STR-CAAMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_ICABUSTRANS_STR-CAPAYMENTEXCEPTIONREASON sy-vline 
WA_ICABUSTRANS_STR-CADUNNINGEXCEPTIONREASON sy-vline 
WA_ICABUSTRANS_STR-CARECEIVABLEADJUSTMENTREASON sy-vline 
WA_ICABUSTRANS_STR-CAPROMISETOPAYREASON sy-vline 
WA_ICABUSTRANS_STR-CAPROMISETOPAYWTHDRWLREASON sy-vline 
WA_ICABUSTRANS_STR-CAINSTLMNTPLANDACTVTNRSN sy-vline      INTO ld_text SEPARATED BY SPACE.

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