ABAP Select data from SAP table POPNCLSDISPCASE3 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP POPNCLSDISPCASE3 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 POPNCLSDISPCASE3. 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 POPNCLSDISPCASE3 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_POPNCLSDISPCASE3 TYPE STANDARD TABLE OF POPNCLSDISPCASE3,
      WA_POPNCLSDISPCASE3 TYPE POPNCLSDISPCASE3,
      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: <POPNCLSDISPCASE3> TYPE POPNCLSDISPCASE3.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_POPNCLSDISPCASE3.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM POPNCLSDISPCASE3
  INTO TABLE IT_POPNCLSDISPCASE3.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM POPNCLSDISPCASE3
*  INTO TABLE @DATA(IT_POPNCLSDISPCASE32).
*--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_POPNCLSDISPCASE3 INDEX 1 INTO DATA(WA_POPNCLSDISPCASE32).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_POPNCLSDISPCASE3 ASSIGNING <POPNCLSDISPCASE3>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<POPNCLSDISPCASE3>-MANDT = 1.
<POPNCLSDISPCASE3>-DISPUTECASEUUID = 1.
<POPNCLSDISPCASE3>-CASEID = 1.
<POPNCLSDISPCASE3>-COMPANYCODE = 1.
<POPNCLSDISPCASE3>-CUSTOMER = 1.

ENDLOOP.

LOOP AT IT_POPNCLSDISPCASE3 INTO WA_POPNCLSDISPCASE3.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_POPNCLSDISPCASE3-DISPUTECASEPROCESSOR, sy-vline,
  WA_POPNCLSDISPCASE3-DISPUTECASEPROCESSORFULLNAME, sy-vline,
  WA_POPNCLSDISPCASE3-DISPUTECASEROOTCAUSE, sy-vline,
  WA_POPNCLSDISPCASE3-DISPUTECASECOORDINATOR, sy-vline,
  WA_POPNCLSDISPCASE3-DSPUTCASECOORDINATORFULLNAME, sy-vline,
  WA_POPNCLSDISPCASE3-DISPUTECASEREASON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_POPNCLSDISPCASE3 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_POPNCLSDISPCASE3 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_POPNCLSDISPCASE3 INTO WA_POPNCLSDISPCASE3.


*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_POPNCLSDISPCASE3-CASEID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_POPNCLSDISPCASE3-CASEID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_POPNCLSDISPCASE3-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_POPNCLSDISPCASE3-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_POPNCLSDISPCASE3_STR, 
MANDT TYPE STRING,
DISPUTECASEUUID TYPE STRING,
CASEID TYPE STRING,
COMPANYCODE TYPE STRING,
CUSTOMER TYPE STRING,
DISPUTECASEPROCESSOR TYPE STRING,
DISPUTECASEPROCESSORFULLNAME TYPE STRING,
DISPUTECASEROOTCAUSE TYPE STRING,
DISPUTECASECOORDINATOR TYPE STRING,
DSPUTCASECOORDINATORFULLNAME TYPE STRING,
DISPUTECASEREASON TYPE STRING,
STATUS TYPE STRING,
STATUSPROFILE TYPE STRING,
CASEPROCESSINGSTATUS TYPE STRING,
CASETYPE TYPE STRING,
TODAY TYPE STRING,
BEFORE5DAYSDATE TYPE STRING,
FIRSTDAYOFCURRENTMONTHDATE TYPE STRING,
CURRENTDAY TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
CASECREATIONDATE TYPE STRING,
CASECLOSINGDATE TYPE STRING,
ISCREATEDTODAY TYPE STRING,
ISSOLVEDTODAY TYPE STRING,
ISCREATEDLAST5DAYS TYPE STRING,
ISSOLVEDLAST5DAYS TYPE STRING,
ISCREATEDCURRENTMONTH TYPE STRING,
ISSOLVEDCURRENTMONTH TYPE STRING,
TODAYCREATEDAMTINDSPCRCY TYPE STRING,
TODAYSOLVEDAMTINDSPCRCY TYPE STRING,
LAST5DAYSCRTEDAMTINDSPCRCY TYPE STRING,
LAST5DAYSSOLVEDAMTINDSPCRCY TYPE STRING,
CURMONTHCREATEDAMTINDSPCRCY TYPE STRING,
CURMONTHSOLVEDAMTINDSPCRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_POPNCLSDISPCASE3_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_POPNCLSDISPCASE3_STR-MANDT sy-vline 
WA_POPNCLSDISPCASE3_STR-DISPUTECASEUUID sy-vline 
WA_POPNCLSDISPCASE3_STR-CASEID sy-vline 
WA_POPNCLSDISPCASE3_STR-COMPANYCODE sy-vline 
WA_POPNCLSDISPCASE3_STR-CUSTOMER sy-vline 
WA_POPNCLSDISPCASE3_STR-DISPUTECASEPROCESSOR sy-vline 
WA_POPNCLSDISPCASE3_STR-DISPUTECASEPROCESSORFULLNAME sy-vline 
WA_POPNCLSDISPCASE3_STR-DISPUTECASEROOTCAUSE sy-vline 
WA_POPNCLSDISPCASE3_STR-DISPUTECASECOORDINATOR sy-vline 
WA_POPNCLSDISPCASE3_STR-DSPUTCASECOORDINATORFULLNAME sy-vline 
WA_POPNCLSDISPCASE3_STR-DISPUTECASEREASON sy-vline 
WA_POPNCLSDISPCASE3_STR-STATUS sy-vline 
WA_POPNCLSDISPCASE3_STR-STATUSPROFILE sy-vline 
WA_POPNCLSDISPCASE3_STR-CASEPROCESSINGSTATUS sy-vline 
WA_POPNCLSDISPCASE3_STR-CASETYPE sy-vline 
WA_POPNCLSDISPCASE3_STR-TODAY sy-vline 
WA_POPNCLSDISPCASE3_STR-BEFORE5DAYSDATE sy-vline 
WA_POPNCLSDISPCASE3_STR-FIRSTDAYOFCURRENTMONTHDATE sy-vline 
WA_POPNCLSDISPCASE3_STR-CURRENTDAY sy-vline 
WA_POPNCLSDISPCASE3_STR-DISPLAYCURRENCY sy-vline 
WA_POPNCLSDISPCASE3_STR-CASECREATIONDATE sy-vline 
WA_POPNCLSDISPCASE3_STR-CASECLOSINGDATE sy-vline 
WA_POPNCLSDISPCASE3_STR-ISCREATEDTODAY sy-vline 
WA_POPNCLSDISPCASE3_STR-ISSOLVEDTODAY sy-vline 
WA_POPNCLSDISPCASE3_STR-ISCREATEDLAST5DAYS sy-vline 
WA_POPNCLSDISPCASE3_STR-ISSOLVEDLAST5DAYS sy-vline 
WA_POPNCLSDISPCASE3_STR-ISCREATEDCURRENTMONTH sy-vline 
WA_POPNCLSDISPCASE3_STR-ISSOLVEDCURRENTMONTH sy-vline 
WA_POPNCLSDISPCASE3_STR-TODAYCREATEDAMTINDSPCRCY sy-vline 
WA_POPNCLSDISPCASE3_STR-TODAYSOLVEDAMTINDSPCRCY sy-vline 
WA_POPNCLSDISPCASE3_STR-LAST5DAYSCRTEDAMTINDSPCRCY sy-vline 
WA_POPNCLSDISPCASE3_STR-LAST5DAYSSOLVEDAMTINDSPCRCY sy-vline 
WA_POPNCLSDISPCASE3_STR-CURMONTHCREATEDAMTINDSPCRCY sy-vline 
WA_POPNCLSDISPCASE3_STR-CURMONTHSOLVEDAMTINDSPCRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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