ABAP Select data from SAP table CRACONTRACTCOMBN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRACONTRACTCOMBN
*  INTO TABLE @DATA(IT_CRACONTRACTCOMBN2).
*--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_CRACONTRACTCOMBN INDEX 1 INTO DATA(WA_CRACONTRACTCOMBN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRACONTRACTCOMBN>-MANDT = 1.
<CRACONTRACTCOMBN>-REVENUEACCOUNTINGCONTRACT = 1.
<CRACONTRACTCOMBN>-REVNACCTGCONTRACTDESCRIPTION = 1.
<CRACONTRACTCOMBN>-COMPANYCODE = 1.
<CRACONTRACTCOMBN>-ACCOUNTINGPRINCIPLE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRACONTRACTCOMBN-TOTCONTRACTUALPRCINSLSDOCCRCY, sy-vline,
  WA_CRACONTRACTCOMBN-REVNACCTGSALESORGANIZATION, sy-vline,
  WA_CRACONTRACTCOMBN-SALESORGANIZATIONNAME, sy-vline,
  WA_CRACONTRACTCOMBN-NUMBEROFPERFORMANCEOBLIGATIONS, sy-vline,
  WA_CRACONTRACTCOMBN-SALESDOCUMENTCURRENCY, sy-vline,
  WA_CRACONTRACTCOMBN-BUSINESSPARTNER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRACONTRACTCOMBN 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_CRACONTRACTCOMBN 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_CRACONTRACTCOMBN INTO WA_CRACONTRACTCOMBN.


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

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

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRACONTRACTCOMBN-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRACONTRACTCOMBN-CUSTOMER.
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_CRACONTRACTCOMBN_STR, 
MANDT TYPE STRING,
REVENUEACCOUNTINGCONTRACT TYPE STRING,
REVNACCTGCONTRACTDESCRIPTION TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGPRINCIPLE TYPE STRING,
TOTCONTRACTUALPRCINSLSDOCCRCY TYPE STRING,
REVNACCTGSALESORGANIZATION TYPE STRING,
SALESORGANIZATIONNAME TYPE STRING,
NUMBEROFPERFORMANCEOBLIGATIONS TYPE STRING,
SALESDOCUMENTCURRENCY TYPE STRING,
BUSINESSPARTNER TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,
CUSTOMER TYPE STRING,
CUSTOMERNAME TYPE STRING,
REVNACCTGCONTRACTSTATUS TYPE STRING,
RACONTRACTSTATUSCRITICALITY TYPE STRING,
RACONTRACTCOMPLETIONDATE TYPE STRING,
RACONTRACTHASALLOCATIONEFFECT TYPE STRING,
ALLOCEFFCTAMOUNTINSALESDOCCRCY TYPE STRING,
RACONTRACTISCREATEDBYCONTRMGR TYPE STRING,
REVNACCTGCONTRACTCREATEDBYUSER TYPE STRING,
CREATEDBYUSERDESCRIPTION TYPE STRING,
REVNACCTGCONTRACTCREATIONDATE TYPE STRING,
RACONTRACTLASTCHANGEDBYUSR TYPE STRING,
LASTCHANGEDBYUSERDESCRIPTION TYPE STRING,
RACONTRACTISMANUALLYALLOCATED TYPE STRING,
ISBUSINESSPURPOSECOMPLETED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRACONTRACTCOMBN_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_CRACONTRACTCOMBN_STR-MANDT sy-vline 
WA_CRACONTRACTCOMBN_STR-REVENUEACCOUNTINGCONTRACT sy-vline 
WA_CRACONTRACTCOMBN_STR-REVNACCTGCONTRACTDESCRIPTION sy-vline 
WA_CRACONTRACTCOMBN_STR-COMPANYCODE sy-vline 
WA_CRACONTRACTCOMBN_STR-ACCOUNTINGPRINCIPLE sy-vline 
WA_CRACONTRACTCOMBN_STR-TOTCONTRACTUALPRCINSLSDOCCRCY sy-vline 
WA_CRACONTRACTCOMBN_STR-REVNACCTGSALESORGANIZATION sy-vline 
WA_CRACONTRACTCOMBN_STR-SALESORGANIZATIONNAME sy-vline 
WA_CRACONTRACTCOMBN_STR-NUMBEROFPERFORMANCEOBLIGATIONS sy-vline 
WA_CRACONTRACTCOMBN_STR-SALESDOCUMENTCURRENCY sy-vline 
WA_CRACONTRACTCOMBN_STR-BUSINESSPARTNER sy-vline 
WA_CRACONTRACTCOMBN_STR-BUSINESSPARTNERNAME sy-vline 
WA_CRACONTRACTCOMBN_STR-CUSTOMER sy-vline 
WA_CRACONTRACTCOMBN_STR-CUSTOMERNAME sy-vline 
WA_CRACONTRACTCOMBN_STR-REVNACCTGCONTRACTSTATUS sy-vline 
WA_CRACONTRACTCOMBN_STR-RACONTRACTSTATUSCRITICALITY sy-vline 
WA_CRACONTRACTCOMBN_STR-RACONTRACTCOMPLETIONDATE sy-vline 
WA_CRACONTRACTCOMBN_STR-RACONTRACTHASALLOCATIONEFFECT sy-vline 
WA_CRACONTRACTCOMBN_STR-ALLOCEFFCTAMOUNTINSALESDOCCRCY sy-vline 
WA_CRACONTRACTCOMBN_STR-RACONTRACTISCREATEDBYCONTRMGR sy-vline 
WA_CRACONTRACTCOMBN_STR-REVNACCTGCONTRACTCREATEDBYUSER sy-vline 
WA_CRACONTRACTCOMBN_STR-CREATEDBYUSERDESCRIPTION sy-vline 
WA_CRACONTRACTCOMBN_STR-REVNACCTGCONTRACTCREATIONDATE sy-vline 
WA_CRACONTRACTCOMBN_STR-RACONTRACTLASTCHANGEDBYUSR sy-vline 
WA_CRACONTRACTCOMBN_STR-LASTCHANGEDBYUSERDESCRIPTION sy-vline 
WA_CRACONTRACTCOMBN_STR-RACONTRACTISMANUALLYALLOCATED sy-vline 
WA_CRACONTRACTCOMBN_STR-ISBUSINESSPURPOSECOMPLETED sy-vline      INTO ld_text SEPARATED BY SPACE.

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