ABAP Select data from SAP table PRESLVDDISPCASE3 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PRESLVDDISPCASE3 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 PRESLVDDISPCASE3. 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 PRESLVDDISPCASE3 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_PRESLVDDISPCASE3 TYPE STANDARD TABLE OF PRESLVDDISPCASE3,
      WA_PRESLVDDISPCASE3 TYPE PRESLVDDISPCASE3,
      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: <PRESLVDDISPCASE3> TYPE PRESLVDDISPCASE3.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PRESLVDDISPCASE3.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PRESLVDDISPCASE3
  INTO TABLE IT_PRESLVDDISPCASE3.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRESLVDDISPCASE3
*  INTO TABLE @DATA(IT_PRESLVDDISPCASE32).
*--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_PRESLVDDISPCASE3 INDEX 1 INTO DATA(WA_PRESLVDDISPCASE32).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PRESLVDDISPCASE3 ASSIGNING <PRESLVDDISPCASE3>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRESLVDDISPCASE3>-MANDT = 1.
<PRESLVDDISPCASE3>-DISPUTECASEUUID = 1.
<PRESLVDDISPCASE3>-CASEID = 1.
<PRESLVDDISPCASE3>-COMPANYCODE = 1.
<PRESLVDDISPCASE3>-CUSTOMER = 1.

ENDLOOP.

LOOP AT IT_PRESLVDDISPCASE3 INTO WA_PRESLVDDISPCASE3.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRESLVDDISPCASE3-DISPUTECASEPROCESSOR, sy-vline,
  WA_PRESLVDDISPCASE3-DISPUTECASEPROCESSORFULLNAME, sy-vline,
  WA_PRESLVDDISPCASE3-DISPUTECASEREASON, sy-vline,
  WA_PRESLVDDISPCASE3-DISPUTECASEROOTCAUSE, sy-vline,
  WA_PRESLVDDISPCASE3-DISPUTECASECOORDINATOR, sy-vline,
  WA_PRESLVDDISPCASE3-DSPUTCASECOORDINATORFULLNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRESLVDDISPCASE3 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_PRESLVDDISPCASE3 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_PRESLVDDISPCASE3 INTO WA_PRESLVDDISPCASE3.


*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 CASEID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRESLVDDISPCASE3-CASEID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRESLVDDISPCASE3-CASEID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRESLVDDISPCASE3-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRESLVDDISPCASE3-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_PRESLVDDISPCASE3_STR, 
MANDT TYPE STRING,
DISPUTECASEUUID TYPE STRING,
CASEID TYPE STRING,
COMPANYCODE TYPE STRING,
CUSTOMER TYPE STRING,
DISPUTECASEPROCESSOR TYPE STRING,
DISPUTECASEPROCESSORFULLNAME TYPE STRING,
DISPUTECASEREASON TYPE STRING,
DISPUTECASEROOTCAUSE TYPE STRING,
DISPUTECASECOORDINATOR TYPE STRING,
DSPUTCASECOORDINATORFULLNAME TYPE STRING,
STATUS TYPE STRING,
STATUSPROFILE TYPE STRING,
CASEPROCESSINGSTATUS TYPE STRING,
CASETYPE TYPE STRING,
ORIGINALAMOUNTINDISPLAYCRCY TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
CASECREATIONDATE TYPE STRING,
CASECLOSINGDATE TYPE STRING,
CURRENTYEAR TYPE STRING,
CURRENTMONTH TYPE STRING,
CURRENTQUARTER TYPE STRING,
LASTQUARTER TYPE STRING,
CASECLOSINGYEAR TYPE STRING,
CASECLOSINGMONTH TYPE STRING,
CASECLOSINGQUARTER TYPE STRING,
ISSOLVEDCURRENTYEAR TYPE STRING,
ISSOLVEDCURRENTMONTH TYPE STRING,
ISSOLVEDLASTMONTH TYPE STRING,
ISSOLVEDLAST12MONTHS TYPE STRING,
ISSOLVEDLASTQUARTER TYPE STRING,
LAST12MONTHSRESOLVINGDAYS TYPE STRING,
CURRENTMONTHRESOLVINGDAYS TYPE STRING,
LASTMONTHRESOLVINGDAYS TYPE STRING,
CURRENTYEARRESOLVINGDAYS TYPE STRING,
CURMONTHSOLVEDAMTINDSPCRCY TYPE STRING,
LASTMONTHSOLVEDAMTINDSPCRCY TYPE STRING,
CURRENTYEARSOLVEDAMTINDSPCRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRESLVDDISPCASE3_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_PRESLVDDISPCASE3_STR-MANDT sy-vline 
WA_PRESLVDDISPCASE3_STR-DISPUTECASEUUID sy-vline 
WA_PRESLVDDISPCASE3_STR-CASEID sy-vline 
WA_PRESLVDDISPCASE3_STR-COMPANYCODE sy-vline 
WA_PRESLVDDISPCASE3_STR-CUSTOMER sy-vline 
WA_PRESLVDDISPCASE3_STR-DISPUTECASEPROCESSOR sy-vline 
WA_PRESLVDDISPCASE3_STR-DISPUTECASEPROCESSORFULLNAME sy-vline 
WA_PRESLVDDISPCASE3_STR-DISPUTECASEREASON sy-vline 
WA_PRESLVDDISPCASE3_STR-DISPUTECASEROOTCAUSE sy-vline 
WA_PRESLVDDISPCASE3_STR-DISPUTECASECOORDINATOR sy-vline 
WA_PRESLVDDISPCASE3_STR-DSPUTCASECOORDINATORFULLNAME sy-vline 
WA_PRESLVDDISPCASE3_STR-STATUS sy-vline 
WA_PRESLVDDISPCASE3_STR-STATUSPROFILE sy-vline 
WA_PRESLVDDISPCASE3_STR-CASEPROCESSINGSTATUS sy-vline 
WA_PRESLVDDISPCASE3_STR-CASETYPE sy-vline 
WA_PRESLVDDISPCASE3_STR-ORIGINALAMOUNTINDISPLAYCRCY sy-vline 
WA_PRESLVDDISPCASE3_STR-DISPLAYCURRENCY sy-vline 
WA_PRESLVDDISPCASE3_STR-CASECREATIONDATE sy-vline 
WA_PRESLVDDISPCASE3_STR-CASECLOSINGDATE sy-vline 
WA_PRESLVDDISPCASE3_STR-CURRENTYEAR sy-vline 
WA_PRESLVDDISPCASE3_STR-CURRENTMONTH sy-vline 
WA_PRESLVDDISPCASE3_STR-CURRENTQUARTER sy-vline 
WA_PRESLVDDISPCASE3_STR-LASTQUARTER sy-vline 
WA_PRESLVDDISPCASE3_STR-CASECLOSINGYEAR sy-vline 
WA_PRESLVDDISPCASE3_STR-CASECLOSINGMONTH sy-vline 
WA_PRESLVDDISPCASE3_STR-CASECLOSINGQUARTER sy-vline 
WA_PRESLVDDISPCASE3_STR-ISSOLVEDCURRENTYEAR sy-vline 
WA_PRESLVDDISPCASE3_STR-ISSOLVEDCURRENTMONTH sy-vline 
WA_PRESLVDDISPCASE3_STR-ISSOLVEDLASTMONTH sy-vline 
WA_PRESLVDDISPCASE3_STR-ISSOLVEDLAST12MONTHS sy-vline 
WA_PRESLVDDISPCASE3_STR-ISSOLVEDLASTQUARTER sy-vline 
WA_PRESLVDDISPCASE3_STR-LAST12MONTHSRESOLVINGDAYS sy-vline 
WA_PRESLVDDISPCASE3_STR-CURRENTMONTHRESOLVINGDAYS sy-vline 
WA_PRESLVDDISPCASE3_STR-LASTMONTHRESOLVINGDAYS sy-vline 
WA_PRESLVDDISPCASE3_STR-CURRENTYEARRESOLVINGDAYS sy-vline 
WA_PRESLVDDISPCASE3_STR-CURMONTHSOLVEDAMTINDSPCRCY sy-vline 
WA_PRESLVDDISPCASE3_STR-LASTMONTHSOLVEDAMTINDSPCRCY sy-vline 
WA_PRESLVDDISPCASE3_STR-CURRENTYEARSOLVEDAMTINDSPCRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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