ABAP Select data from SAP table DISPCASEDR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DISPCASEDR
*  INTO TABLE @DATA(IT_DISPCASEDR2).
*--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_DISPCASEDR INDEX 1 INTO DATA(WA_DISPCASEDR2).


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

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

ENDLOOP.

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

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


*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_DISPCASEDR-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DISPCASEDR-CUSTOMER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CASEID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DISPCASEDR-CASEID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DISPCASEDR-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_DISPCASEDR_STR, 
MANDT TYPE STRING,
DRAFTUUID TYPE STRING,
DISPUTECASEUUID 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,
CUSTOMERDISPUTEDAMOUNT TYPE STRING,
CUSTOMERDISPUTEDCURRENCY TYPE STRING,
CONTACTPERSONNAME TYPE STRING,
CONTACTPERSONEMAILADDRESS TYPE STRING,
CONTACTPERSONPHONENUMBER TYPE STRING,
CONTACTPERSONFAXNUMBER TYPE STRING,
CONTACTPERSONFAXCOUNTRY TYPE STRING,
CONTACTPERSON 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,
CASEUSERSTATUSNAME TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
DUMMY_DISPUTE_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DISPCASEDR_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_DISPCASEDR_STR-MANDT sy-vline 
WA_DISPCASEDR_STR-DRAFTUUID sy-vline 
WA_DISPCASEDR_STR-DISPUTECASEUUID sy-vline 
WA_DISPCASEDR_STR-DISPUTECASECOORDINATOR sy-vline 
WA_DISPCASEDR_STR-DISPUTECASEROOTCAUSE sy-vline 
WA_DISPCASEDR_STR-CASEPROCESSINGDEADLINEDATE sy-vline 
WA_DISPCASEDR_STR-ORIGINALAMOUNT sy-vline 
WA_DISPCASEDR_STR-DISPUTEDAMOUNT sy-vline 
WA_DISPCASEDR_STR-PAIDAMOUNT sy-vline 
WA_DISPCASEDR_STR-CREDITEDAMOUNT sy-vline 
WA_DISPCASEDR_STR-WRITEOFFAMOUNT sy-vline 
WA_DISPCASEDR_STR-MANUALLYCLEAREDAMOUNT sy-vline 
WA_DISPCASEDR_STR-DISPUTECASECURRENCY sy-vline 
WA_DISPCASEDR_STR-CUSTOMERDISPUTEDAMOUNT sy-vline 
WA_DISPCASEDR_STR-CUSTOMERDISPUTEDCURRENCY sy-vline 
WA_DISPCASEDR_STR-CONTACTPERSONNAME sy-vline 
WA_DISPCASEDR_STR-CONTACTPERSONEMAILADDRESS sy-vline 
WA_DISPCASEDR_STR-CONTACTPERSONPHONENUMBER sy-vline 
WA_DISPCASEDR_STR-CONTACTPERSONFAXNUMBER sy-vline 
WA_DISPCASEDR_STR-CONTACTPERSONFAXCOUNTRY sy-vline 
WA_DISPCASEDR_STR-CONTACTPERSON sy-vline 
WA_DISPCASEDR_STR-CUSTOMER sy-vline 
WA_DISPCASEDR_STR-COMPANYCODE sy-vline 
WA_DISPCASEDR_STR-DISPUTECASEEXTERNALAPPLICATION sy-vline 
WA_DISPCASEDR_STR-CASETYPE sy-vline 
WA_DISPCASEDR_STR-CASEID sy-vline 
WA_DISPCASEDR_STR-CASEEXTERNALREFERENCE sy-vline 
WA_DISPCASEDR_STR-CASECREATEDBY sy-vline 
WA_DISPCASEDR_STR-CASECREATEDON sy-vline 
WA_DISPCASEDR_STR-CASELASTCHANGEDBY sy-vline 
WA_DISPCASEDR_STR-CASELASTCHANGEDON sy-vline 
WA_DISPCASEDR_STR-CASECLOSEDBY sy-vline 
WA_DISPCASEDR_STR-CASECLOSEDTIME sy-vline 
WA_DISPCASEDR_STR-CASEPLANNEDCLOSEDATE sy-vline 
WA_DISPCASEDR_STR-CASEPROCESSOR sy-vline 
WA_DISPCASEDR_STR-CASERESPONSIBLE sy-vline 
WA_DISPCASEDR_STR-CASETITLE sy-vline 
WA_DISPCASEDR_STR-CASEESCALATIONREASON sy-vline 
WA_DISPCASEDR_STR-CASECATEGORY sy-vline 
WA_DISPCASEDR_STR-CASEPRIORITY sy-vline 
WA_DISPCASEDR_STR-CASEAUTHORIZATIONLEVEL sy-vline 
WA_DISPCASEDR_STR-CASESTATUSPROFILE sy-vline 
WA_DISPCASEDR_STR-CASESTATUS sy-vline 
WA_DISPCASEDR_STR-CASESYSTEMSTATUS sy-vline 
WA_DISPCASEDR_STR-CASEREASON sy-vline 
WA_DISPCASEDR_STR-CASEUSERSTATUSNAME sy-vline 
WA_DISPCASEDR_STR-HASACTIVEENTITY sy-vline 
WA_DISPCASEDR_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_DISPCASEDR_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_DISPCASEDR_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_DISPCASEDR_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_DISPCASEDR_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_DISPCASEDR_STR-DUMMY_DISPUTE_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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