ABAP Select data from SAP table RDISPCASEDR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RDISPCASEDR
*  INTO TABLE @DATA(IT_RDISPCASEDR2).
*--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_RDISPCASEDR INDEX 1 INTO DATA(WA_RDISPCASEDR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RDISPCASEDR>-MANDT = 1.
<RDISPCASEDR>-DISPUTECASEUUID = 1.
<RDISPCASEDR>-DRAFTUUID = 1.
<RDISPCASEDR>-DISPUTECASECOORDINATOR = 1.
<RDISPCASEDR>-DISPUTECASEROOTCAUSE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RDISPCASEDR-CASEPROCESSINGDEADLINEDATE, sy-vline,
  WA_RDISPCASEDR-ORIGINALAMOUNT, sy-vline,
  WA_RDISPCASEDR-DISPUTEDAMOUNT, sy-vline,
  WA_RDISPCASEDR-PAIDAMOUNT, sy-vline,
  WA_RDISPCASEDR-CREDITEDAMOUNT, sy-vline,
  WA_RDISPCASEDR-WRITEOFFAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RDISPCASEDR 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_RDISPCASEDR 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_RDISPCASEDR INTO WA_RDISPCASEDR.


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

*Conversion exit ALPHA, internal->external for field CASEID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RDISPCASEDR-CASEID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RDISPCASEDR-CASEID.
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_RDISPCASEDR_STR, 
MANDT TYPE STRING,
DISPUTECASEUUID TYPE STRING,
DRAFTUUID TYPE STRING,
DISPUTECASECOORDINATOR TYPE STRING,
DISPUTECASEROOTCAUSE TYPE STRING,
CASEPROCESSINGDEADLINEDATE TYPE STRING,
ORIGINALAMOUNT TYPE STRING,
DISPUTEDAMOUNT TYPE STRING,
PAIDAMOUNT TYPE STRING,
CREDITEDAMOUNT TYPE STRING,
WRITEOFFAMOUNT TYPE STRING,
MANUALLYCLEAREDAMOUNT TYPE STRING,
DISPUTECASECURRENCY TYPE STRING,
CONTACTPERSONNAME TYPE STRING,
CONTACTPERSONEMAILADDRESS TYPE STRING,
CONTACTPERSONPHONENUMBER TYPE STRING,
CONTACTPERSONFAXNUMBER TYPE STRING,
CONTACTPERSONFAXCOUNTRY TYPE STRING,
CUSTOMER TYPE STRING,
COMPANYCODE TYPE STRING,
DISPUTECASEEXTERNALAPPLICATION TYPE STRING,
CASETYPE TYPE STRING,
CASEID TYPE STRING,
CASEEXTERNALREFERENCE TYPE STRING,
CASECREATEDBY TYPE STRING,
CASECREATEDON TYPE STRING,
CASELASTCHANGEDBY TYPE STRING,
CASELASTCHANGEDON TYPE STRING,
CASECLOSEDBY TYPE STRING,
CASECLOSEDTIME TYPE STRING,
CASEPLANNEDCLOSEDATE TYPE STRING,
CASEPROCESSOR TYPE STRING,
CASERESPONSIBLE TYPE STRING,
CASETITLE TYPE STRING,
CASEESCALATIONREASON TYPE STRING,
CASECATEGORY TYPE STRING,
CASEPRIORITY TYPE STRING,
CASEAUTHORIZATIONLEVEL TYPE STRING,
CASESTATUSPROFILE TYPE STRING,
CASESTATUS TYPE STRING,
CASESYSTEMSTATUS TYPE STRING,
CASEREASON TYPE STRING,
ISACTIVEENTITY TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTCREATIONDATETIME TYPE STRING,
DRAFTLASTCHANGEDDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RDISPCASEDR_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_RDISPCASEDR_STR-MANDT sy-vline 
WA_RDISPCASEDR_STR-DISPUTECASEUUID sy-vline 
WA_RDISPCASEDR_STR-DRAFTUUID sy-vline 
WA_RDISPCASEDR_STR-DISPUTECASECOORDINATOR sy-vline 
WA_RDISPCASEDR_STR-DISPUTECASEROOTCAUSE sy-vline 
WA_RDISPCASEDR_STR-CASEPROCESSINGDEADLINEDATE sy-vline 
WA_RDISPCASEDR_STR-ORIGINALAMOUNT sy-vline 
WA_RDISPCASEDR_STR-DISPUTEDAMOUNT sy-vline 
WA_RDISPCASEDR_STR-PAIDAMOUNT sy-vline 
WA_RDISPCASEDR_STR-CREDITEDAMOUNT sy-vline 
WA_RDISPCASEDR_STR-WRITEOFFAMOUNT sy-vline 
WA_RDISPCASEDR_STR-MANUALLYCLEAREDAMOUNT sy-vline 
WA_RDISPCASEDR_STR-DISPUTECASECURRENCY sy-vline 
WA_RDISPCASEDR_STR-CONTACTPERSONNAME sy-vline 
WA_RDISPCASEDR_STR-CONTACTPERSONEMAILADDRESS sy-vline 
WA_RDISPCASEDR_STR-CONTACTPERSONPHONENUMBER sy-vline 
WA_RDISPCASEDR_STR-CONTACTPERSONFAXNUMBER sy-vline 
WA_RDISPCASEDR_STR-CONTACTPERSONFAXCOUNTRY sy-vline 
WA_RDISPCASEDR_STR-CUSTOMER sy-vline 
WA_RDISPCASEDR_STR-COMPANYCODE sy-vline 
WA_RDISPCASEDR_STR-DISPUTECASEEXTERNALAPPLICATION sy-vline 
WA_RDISPCASEDR_STR-CASETYPE sy-vline 
WA_RDISPCASEDR_STR-CASEID sy-vline 
WA_RDISPCASEDR_STR-CASEEXTERNALREFERENCE sy-vline 
WA_RDISPCASEDR_STR-CASECREATEDBY sy-vline 
WA_RDISPCASEDR_STR-CASECREATEDON sy-vline 
WA_RDISPCASEDR_STR-CASELASTCHANGEDBY sy-vline 
WA_RDISPCASEDR_STR-CASELASTCHANGEDON sy-vline 
WA_RDISPCASEDR_STR-CASECLOSEDBY sy-vline 
WA_RDISPCASEDR_STR-CASECLOSEDTIME sy-vline 
WA_RDISPCASEDR_STR-CASEPLANNEDCLOSEDATE sy-vline 
WA_RDISPCASEDR_STR-CASEPROCESSOR sy-vline 
WA_RDISPCASEDR_STR-CASERESPONSIBLE sy-vline 
WA_RDISPCASEDR_STR-CASETITLE sy-vline 
WA_RDISPCASEDR_STR-CASEESCALATIONREASON sy-vline 
WA_RDISPCASEDR_STR-CASECATEGORY sy-vline 
WA_RDISPCASEDR_STR-CASEPRIORITY sy-vline 
WA_RDISPCASEDR_STR-CASEAUTHORIZATIONLEVEL sy-vline 
WA_RDISPCASEDR_STR-CASESTATUSPROFILE sy-vline 
WA_RDISPCASEDR_STR-CASESTATUS sy-vline 
WA_RDISPCASEDR_STR-CASESYSTEMSTATUS sy-vline 
WA_RDISPCASEDR_STR-CASEREASON sy-vline 
WA_RDISPCASEDR_STR-ISACTIVEENTITY sy-vline 
WA_RDISPCASEDR_STR-HASACTIVEENTITY sy-vline 
WA_RDISPCASEDR_STR-DRAFTCREATIONDATETIME sy-vline 
WA_RDISPCASEDR_STR-DRAFTLASTCHANGEDDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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