ABAP Select data from SAP table IQNOTIFTSKVH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IQNOTIFTSKVH
*  INTO TABLE @DATA(IT_IQNOTIFTSKVH2).
*--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_IQNOTIFTSKVH INDEX 1 INTO DATA(WA_IQNOTIFTSKVH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IQNOTIFTSKVH>-MANDT = 1.
<IQNOTIFTSKVH>-QUALITYNOTIFICATION = 1.
<IQNOTIFTSKVH>-NOTIFICATIONTASK = 1.
<IQNOTIFTSKVH>-QUALITYTASK = 1.
<IQNOTIFTSKVH>-QUALITYTASKORIGIN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IQNOTIFTSKVH-NOTIFICATIONTASKTEXT, sy-vline,
  WA_IQNOTIFTSKVH-NOTIFTASKPLANNEDENDDATE, sy-vline,
  WA_IQNOTIFTSKVH-NOTIFTASKPLANNEDENDTIME, sy-vline,
  WA_IQNOTIFTSKVH-NOTIFTASKTIMEZONE, sy-vline,
  WA_IQNOTIFTSKVH-NOTIFTASKCOMPLETIONDATE, sy-vline,
  WA_IQNOTIFTSKVH-NOTIFTASKCOMPLETIONTIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IQNOTIFTSKVH 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_IQNOTIFTSKVH 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_IQNOTIFTSKVH INTO WA_IQNOTIFTSKVH.


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

*Conversion exit ALPHA, internal->external for field RESPONSIBLEPERSON
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IQNOTIFTSKVH-RESPONSIBLEPERSON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IQNOTIFTSKVH-RESPONSIBLEPERSON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IQNOTIFTSKVH-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IQNOTIFTSKVH-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IQNOTIFTSKVH-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IQNOTIFTSKVH-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_IQNOTIFTSKVH_STR, 
MANDT TYPE STRING,
QUALITYNOTIFICATION TYPE STRING,
NOTIFICATIONTASK TYPE STRING,
QUALITYTASK TYPE STRING,
QUALITYTASKORIGIN TYPE STRING,
NOTIFICATIONTASKTEXT TYPE STRING,
NOTIFTASKPLANNEDENDDATE TYPE STRING,
NOTIFTASKPLANNEDENDTIME TYPE STRING,
NOTIFTASKTIMEZONE TYPE STRING,
NOTIFTASKCOMPLETIONDATE TYPE STRING,
NOTIFTASKCOMPLETIONTIME TYPE STRING,
NOTIFTASKRESUBMISSIONDATE TYPE STRING,
NOTIFTASKRESUBMISSIONTIME TYPE STRING,
RESPONSIBLEPERSONFUNCTIONCODE TYPE STRING,
RESPONSIBLEPERSON TYPE STRING,
NOTIFICATIONITEM TYPE STRING,
CREATIONDATE TYPE STRING,
NOTIFICATIONTYPE TYPE STRING,
PLANT TYPE STRING,
NOTIFICATIONORIGIN TYPE STRING,
SUPPLIER TYPE STRING,
CUSTOMER TYPE STRING,
NOTIFICATIONTEXT TYPE STRING,
CREATEDBYUSER TYPE STRING,
NOTIFICATIONCOMPLETIONDATE TYPE STRING,
ISBUSINESSPURPOSECOMPLETED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IQNOTIFTSKVH_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_IQNOTIFTSKVH_STR-MANDT sy-vline 
WA_IQNOTIFTSKVH_STR-QUALITYNOTIFICATION sy-vline 
WA_IQNOTIFTSKVH_STR-NOTIFICATIONTASK sy-vline 
WA_IQNOTIFTSKVH_STR-QUALITYTASK sy-vline 
WA_IQNOTIFTSKVH_STR-QUALITYTASKORIGIN sy-vline 
WA_IQNOTIFTSKVH_STR-NOTIFICATIONTASKTEXT sy-vline 
WA_IQNOTIFTSKVH_STR-NOTIFTASKPLANNEDENDDATE sy-vline 
WA_IQNOTIFTSKVH_STR-NOTIFTASKPLANNEDENDTIME sy-vline 
WA_IQNOTIFTSKVH_STR-NOTIFTASKTIMEZONE sy-vline 
WA_IQNOTIFTSKVH_STR-NOTIFTASKCOMPLETIONDATE sy-vline 
WA_IQNOTIFTSKVH_STR-NOTIFTASKCOMPLETIONTIME sy-vline 
WA_IQNOTIFTSKVH_STR-NOTIFTASKRESUBMISSIONDATE sy-vline 
WA_IQNOTIFTSKVH_STR-NOTIFTASKRESUBMISSIONTIME sy-vline 
WA_IQNOTIFTSKVH_STR-RESPONSIBLEPERSONFUNCTIONCODE sy-vline 
WA_IQNOTIFTSKVH_STR-RESPONSIBLEPERSON sy-vline 
WA_IQNOTIFTSKVH_STR-NOTIFICATIONITEM sy-vline 
WA_IQNOTIFTSKVH_STR-CREATIONDATE sy-vline 
WA_IQNOTIFTSKVH_STR-NOTIFICATIONTYPE sy-vline 
WA_IQNOTIFTSKVH_STR-PLANT sy-vline 
WA_IQNOTIFTSKVH_STR-NOTIFICATIONORIGIN sy-vline 
WA_IQNOTIFTSKVH_STR-SUPPLIER sy-vline 
WA_IQNOTIFTSKVH_STR-CUSTOMER sy-vline 
WA_IQNOTIFTSKVH_STR-NOTIFICATIONTEXT sy-vline 
WA_IQNOTIFTSKVH_STR-CREATEDBYUSER sy-vline 
WA_IQNOTIFTSKVH_STR-NOTIFICATIONCOMPLETIONDATE sy-vline 
WA_IQNOTIFTSKVH_STR-ISBUSINESSPURPOSECOMPLETED sy-vline      INTO ld_text SEPARATED BY SPACE.

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