ABAP Select data from SAP table HRTVSTATUS_REQUEST_TO_IRMESSAG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRTVSTATUS_REQUEST_TO_IRMESSAG
*  INTO TABLE @DATA(IT_HRTVSTATUS_REQUEST_TO_IRMESSAG2).
*--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_HRTVSTATUS_REQUEST_TO_IRMESSAG INDEX 1 INTO DATA(WA_HRTVSTATUS_REQUEST_TO_IRMESSAG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRTVSTATUS_REQUEST_TO_IRMESSAG>-CONTROLLER = 1.
<HRTVSTATUS_REQUEST_TO_IRMESSAG>-IN = 1.
<HRTVSTATUS_REQUEST_TO_IRMESSAG>-CONTROLLER = 1.
<HRTVSTATUS_REQUEST_TO_IRMESSAG>-TIMESTAMP = 1.
<HRTVSTATUS_REQUEST_TO_IRMESSAG>-DELIVERY_DATA_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRTVSTATUS_REQUEST_TO_IRMESSAG-DELIVERY_ID, sy-vline,
  WA_HRTVSTATUS_REQUEST_TO_IRMESSAG-IRDELIVERY_ID, sy-vline,
  WA_HRTVSTATUS_REQUEST_TO_IRMESSAG-PRODUCTION_ENVIRONMENT, sy-vline,
  WA_HRTVSTATUS_REQUEST_TO_IRMESSAG-DELIVERY_DATA_OWNER, sy-vline,
  WA_HRTVSTATUS_REQUEST_TO_IRMESSAG-CONTROLLER, sy-vline,
  WA_HRTVSTATUS_REQUEST_TO_IRMESSAG-TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRTVSTATUS_REQUEST_TO_IRMESSAG 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_HRTVSTATUS_REQUEST_TO_IRMESSAG 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_HRTVSTATUS_REQUEST_TO_IRMESSAG INTO WA_HRTVSTATUS_REQUEST_TO_IRMESSAG.


*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_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR, 
CONTROLLER TYPE STRING,
IN TYPE STRING,
CONTROLLER TYPE STRING,
TIMESTAMP TYPE STRING,
DELIVERY_DATA_TYPE TYPE STRING,
DELIVERY_ID TYPE STRING,
IRDELIVERY_ID TYPE STRING,
PRODUCTION_ENVIRONMENT TYPE STRING,
DELIVERY_DATA_OWNER TYPE STRING,
CONTROLLER TYPE STRING,
TYPE TYPE STRING,
CODE TYPE STRING,
COUNTRY_CODE TYPE STRING,
COUNTRY_NAME TYPE STRING,
DELIVERY_DATA_CREATOR TYPE STRING,
CONTROLLER TYPE STRING,
TYPE TYPE STRING,
CODE TYPE STRING,
COUNTRY_CODE TYPE STRING,
COUNTRY_NAME TYPE STRING,
DELIVERY_DATA_SENDER TYPE STRING,
CONTROLLER TYPE STRING,
TYPE TYPE STRING,
CODE TYPE STRING,
COUNTRY_CODE TYPE STRING,
COUNTRY_NAME TYPE STRING,
SIGNATURE TYPE STRING,
CONTROLLER TYPE STRING,
SIGNED_INFO TYPE STRING,
CONTROLLER TYPE STRING,
CANONICALIZATION_METHOD TYPE STRING,
SIGNATURE_METHOD TYPE STRING,
REFERENCE TYPE STRING,
ID TYPE STRING,
SIGNATURE_VALUE TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
CONTENT TYPE STRING,
KEY_INFO TYPE STRING,
OBJECT TYPE STRING,
ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_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_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-CONTROLLER sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-IN sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-CONTROLLER sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-TIMESTAMP sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-DELIVERY_DATA_TYPE sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-DELIVERY_ID sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-IRDELIVERY_ID sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-PRODUCTION_ENVIRONMENT sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-DELIVERY_DATA_OWNER sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-CONTROLLER sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-TYPE sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-CODE sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-COUNTRY_CODE sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-COUNTRY_NAME sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-DELIVERY_DATA_CREATOR sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-CONTROLLER sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-TYPE sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-CODE sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-COUNTRY_CODE sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-COUNTRY_NAME sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-DELIVERY_DATA_SENDER sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-CONTROLLER sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-TYPE sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-CODE sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-COUNTRY_CODE sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-COUNTRY_NAME sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-SIGNATURE sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-CONTROLLER sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-SIGNED_INFO sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-CONTROLLER sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-CANONICALIZATION_METHOD sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-SIGNATURE_METHOD sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-REFERENCE sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-ID sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-SIGNATURE_VALUE sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-CONTROLLER sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-ID sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-CONTENT sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-KEY_INFO sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-OBJECT sy-vline 
WA_HRTVSTATUS_REQUEST_TO_IRMESSAG_STR-ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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