ABAP Select data from SAP table ISUPEVALSCQNR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISUPEVALSCQNR
*  INTO TABLE @DATA(IT_ISUPEVALSCQNR2).
*--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_ISUPEVALSCQNR INDEX 1 INTO DATA(WA_ISUPEVALSCQNR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISUPEVALSCQNR>-MANDT = 1.
<ISUPEVALSCQNR>-SUPLREVALSCORECARDQNAIREUUID = 1.
<ISUPEVALSCQNR>-SUPLREVALSCORECARDUUID = 1.
<ISUPEVALSCQNR>-QUESTIONNAIRENAME = 1.
<ISUPEVALSCQNR>-SUPPLIEREVALSCORECARDQNAIRE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISUPEVALSCQNR-SUPLREVALSCORECARDQNAIRECAT, sy-vline,
  WA_ISUPEVALSCQNR-SUPLREVALSCORECARDRTQNAIREUUID, sy-vline,
  WA_ISUPEVALSCQNR-MINIMALSCORE, sy-vline,
  WA_ISUPEVALSCQNR-TARGETSCORE, sy-vline,
  WA_ISUPEVALSCQNR-CALCULATEDSCORE, sy-vline,
  WA_ISUPEVALSCQNR-NUMBEROFRESPONSES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISUPEVALSCQNR 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_ISUPEVALSCQNR 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_ISUPEVALSCQNR INTO WA_ISUPEVALSCQNR.


*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 SUPPLIEREVALSCORECARDQNAIRE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISUPEVALSCQNR-SUPPLIEREVALSCORECARDQNAIRE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISUPEVALSCQNR-SUPPLIEREVALSCORECARDQNAIRE.
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_ISUPEVALSCQNR_STR, 
MANDT TYPE STRING,
SUPLREVALSCORECARDQNAIREUUID TYPE STRING,
SUPLREVALSCORECARDUUID TYPE STRING,
QUESTIONNAIRENAME TYPE STRING,
SUPPLIEREVALSCORECARDQNAIRE TYPE STRING,
SUPLREVALSCORECARDQNAIRECAT TYPE STRING,
SUPLREVALSCORECARDRTQNAIREUUID TYPE STRING,
MINIMALSCORE TYPE STRING,
TARGETSCORE TYPE STRING,
CALCULATEDSCORE TYPE STRING,
NUMBEROFRESPONSES TYPE STRING,
WEIGHTINGFACTOR TYPE STRING,
SUPLREVALORDINALNUMBER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISUPEVALSCQNR_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_ISUPEVALSCQNR_STR-MANDT sy-vline 
WA_ISUPEVALSCQNR_STR-SUPLREVALSCORECARDQNAIREUUID sy-vline 
WA_ISUPEVALSCQNR_STR-SUPLREVALSCORECARDUUID sy-vline 
WA_ISUPEVALSCQNR_STR-QUESTIONNAIRENAME sy-vline 
WA_ISUPEVALSCQNR_STR-SUPPLIEREVALSCORECARDQNAIRE sy-vline 
WA_ISUPEVALSCQNR_STR-SUPLREVALSCORECARDQNAIRECAT sy-vline 
WA_ISUPEVALSCQNR_STR-SUPLREVALSCORECARDRTQNAIREUUID sy-vline 
WA_ISUPEVALSCQNR_STR-MINIMALSCORE sy-vline 
WA_ISUPEVALSCQNR_STR-TARGETSCORE sy-vline 
WA_ISUPEVALSCQNR_STR-CALCULATEDSCORE sy-vline 
WA_ISUPEVALSCQNR_STR-NUMBEROFRESPONSES sy-vline 
WA_ISUPEVALSCQNR_STR-WEIGHTINGFACTOR sy-vline 
WA_ISUPEVALSCQNR_STR-SUPLREVALORDINALNUMBER sy-vline      INTO ld_text SEPARATED BY SPACE.

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