ABAP Select data from SAP table ASUPRSPSECTION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ASUPRSPSECTION
*  INTO TABLE @DATA(IT_ASUPRSPSECTION2).
*--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_ASUPRSPSECTION INDEX 1 INTO DATA(WA_ASUPRSPSECTION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ASUPRSPSECTION>-MANDT = 1.
<ASUPRSPSECTION>-SUPLREVALRSPSECTIONUUID = 1.
<ASUPRSPSECTION>-SUPLREVALRSPUUID = 1.
<ASUPRSPSECTION>-SUPLREVALRSPQUESTIONNAIREUUID = 1.
<ASUPRSPSECTION>-SUPLREVALREQSECTIONUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ASUPRSPSECTION-SUPPLIEREVALRESPONSESECTION, sy-vline,
  WA_ASUPRSPSECTION-SUPPLIEREVALRESPONSESCTNALTV, sy-vline,
  WA_ASUPRSPSECTION-QUESTIONNAIRESECTIONNAME, sy-vline,
  WA_ASUPRSPSECTION-WEIGHTINGFACTOR, sy-vline,
  WA_ASUPRSPSECTION-MINIMALSCORE, sy-vline,
  WA_ASUPRSPSECTION-TARGETSCORE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ASUPRSPSECTION 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_ASUPRSPSECTION 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_ASUPRSPSECTION INTO WA_ASUPRSPSECTION.


*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 SUPPLIEREVALRESPONSESECTION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ASUPRSPSECTION-SUPPLIEREVALRESPONSESECTION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ASUPRSPSECTION-SUPPLIEREVALRESPONSESECTION.
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_ASUPRSPSECTION_STR, 
MANDT TYPE STRING,
SUPLREVALRSPSECTIONUUID TYPE STRING,
SUPLREVALRSPUUID TYPE STRING,
SUPLREVALRSPQUESTIONNAIREUUID TYPE STRING,
SUPLREVALREQSECTIONUUID TYPE STRING,
SUPPLIEREVALRESPONSESECTION TYPE STRING,
SUPPLIEREVALRESPONSESCTNALTV TYPE STRING,
QUESTIONNAIRESECTIONNAME TYPE STRING,
WEIGHTINGFACTOR TYPE STRING,
MINIMALSCORE TYPE STRING,
TARGETSCORE TYPE STRING,
CALCULATEDSCORE TYPE STRING,
NUMBEROFRESPONSES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ASUPRSPSECTION_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_ASUPRSPSECTION_STR-MANDT sy-vline 
WA_ASUPRSPSECTION_STR-SUPLREVALRSPSECTIONUUID sy-vline 
WA_ASUPRSPSECTION_STR-SUPLREVALRSPUUID sy-vline 
WA_ASUPRSPSECTION_STR-SUPLREVALRSPQUESTIONNAIREUUID sy-vline 
WA_ASUPRSPSECTION_STR-SUPLREVALREQSECTIONUUID sy-vline 
WA_ASUPRSPSECTION_STR-SUPPLIEREVALRESPONSESECTION sy-vline 
WA_ASUPRSPSECTION_STR-SUPPLIEREVALRESPONSESCTNALTV sy-vline 
WA_ASUPRSPSECTION_STR-QUESTIONNAIRESECTIONNAME sy-vline 
WA_ASUPRSPSECTION_STR-WEIGHTINGFACTOR sy-vline 
WA_ASUPRSPSECTION_STR-MINIMALSCORE sy-vline 
WA_ASUPRSPSECTION_STR-TARGETSCORE sy-vline 
WA_ASUPRSPSECTION_STR-CALCULATEDSCORE sy-vline 
WA_ASUPRSPSECTION_STR-NUMBEROFRESPONSES sy-vline      INTO ld_text SEPARATED BY SPACE.

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