ABAP Select data from SAP table IEVALRESPQNRRT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IEVALRESPQNRRT
*  INTO TABLE @DATA(IT_IEVALRESPQNRRT2).
*--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_IEVALRESPQNRRT INDEX 1 INTO DATA(WA_IEVALRESPQNRRT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IEVALRESPQNRRT>-MANDT = 1.
<IEVALRESPQNRRT>-SUPLREVALRSPQUESTIONNAIREUUID = 1.
<IEVALRESPQNRRT>-SUPLREVALREQQUESTIONNAIREUUID = 1.
<IEVALRESPQNRRT>-SUPLREVALRSPROOTQNAIREUUID = 1.
<IEVALRESPQNRRT>-SUPLREVALRSPUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IEVALRESPQNRRT-NUMBEROFRESPONSES, sy-vline,
  WA_IEVALRESPQNRRT-SUPLREVALORDINALNUMBER, sy-vline,
  WA_IEVALRESPQNRRT-ISSCORINGRELEVANT, sy-vline,
  WA_IEVALRESPQNRRT-CALCULATEDSCORE, sy-vline,
  WA_IEVALRESPQNRRT-TARGETSCORE, sy-vline,
  WA_IEVALRESPQNRRT-MINIMALSCORE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IEVALRESPQNRRT 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_IEVALRESPQNRRT 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_IEVALRESPQNRRT INTO WA_IEVALRESPQNRRT.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_IEVALRESPQNRRT_STR, 
MANDT TYPE STRING,
SUPLREVALRSPQUESTIONNAIREUUID TYPE STRING,
SUPLREVALREQQUESTIONNAIREUUID TYPE STRING,
SUPLREVALRSPROOTQNAIREUUID TYPE STRING,
SUPLREVALRSPUUID TYPE STRING,
NUMBEROFRESPONSES TYPE STRING,
SUPLREVALORDINALNUMBER TYPE STRING,
ISSCORINGRELEVANT TYPE STRING,
CALCULATEDSCORE TYPE STRING,
TARGETSCORE TYPE STRING,
MINIMALSCORE TYPE STRING,
WEIGHTINGFACTOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IEVALRESPQNRRT_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_IEVALRESPQNRRT_STR-MANDT sy-vline 
WA_IEVALRESPQNRRT_STR-SUPLREVALRSPQUESTIONNAIREUUID sy-vline 
WA_IEVALRESPQNRRT_STR-SUPLREVALREQQUESTIONNAIREUUID sy-vline 
WA_IEVALRESPQNRRT_STR-SUPLREVALRSPROOTQNAIREUUID sy-vline 
WA_IEVALRESPQNRRT_STR-SUPLREVALRSPUUID sy-vline 
WA_IEVALRESPQNRRT_STR-NUMBEROFRESPONSES sy-vline 
WA_IEVALRESPQNRRT_STR-SUPLREVALORDINALNUMBER sy-vline 
WA_IEVALRESPQNRRT_STR-ISSCORINGRELEVANT sy-vline 
WA_IEVALRESPQNRRT_STR-CALCULATEDSCORE sy-vline 
WA_IEVALRESPQNRRT_STR-TARGETSCORE sy-vline 
WA_IEVALRESPQNRRT_STR-MINIMALSCORE sy-vline 
WA_IEVALRESPQNRRT_STR-WEIGHTINGFACTOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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