ABAP Select data from SAP table BUS_SINGLE_NOTICE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BUS_SINGLE_NOTICE
*  INTO TABLE @DATA(IT_BUS_SINGLE_NOTICE2).
*--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_BUS_SINGLE_NOTICE INDEX 1 INTO DATA(WA_BUS_SINGLE_NOTICE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BUS_SINGLE_NOTICE>-OBJAP = 1.
<BUS_SINGLE_NOTICE>-TDOBJECT = 1.
<BUS_SINGLE_NOTICE>-TDID = 1.
<BUS_SINGLE_NOTICE>-TDNAME = 1.
<BUS_SINGLE_NOTICE>-X_TEMP_NUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BUS_SINGLE_NOTICE-NOTE, sy-vline,
  WA_BUS_SINGLE_NOTICE-PUBLIC, sy-vline,
  WA_BUS_SINGLE_NOTICE-SUB_REPID, sy-vline,
  WA_BUS_SINGLE_NOTICE-SUB_DYNNR, sy-vline,
  WA_BUS_SINGLE_NOTICE-UEBERSCHRIFT, sy-vline,
  WA_BUS_SINGLE_NOTICE-C, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BUS_SINGLE_NOTICE 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_BUS_SINGLE_NOTICE 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_BUS_SINGLE_NOTICE INTO WA_BUS_SINGLE_NOTICE.


*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 ISOLA, internal->external for field SPRACHE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_BUS_SINGLE_NOTICE-SPRACHE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BUS_SINGLE_NOTICE-SPRACHE.
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_BUS_SINGLE_NOTICE_STR, 
OBJAP TYPE STRING,
TDOBJECT TYPE STRING,
TDID TYPE STRING,
TDNAME TYPE STRING,
X_TEMP_NUMBER TYPE STRING,
NOTE TYPE STRING,
PUBLIC TYPE STRING,
SUB_REPID TYPE STRING,
SUB_DYNNR TYPE STRING,
UEBERSCHRIFT TYPE STRING,
C TYPE STRING,
ACTIVE TYPE STRING,
CLIENT TYPE STRING,
OPEN_KEY TYPE STRING,
OPEN_VIEW TYPE STRING,
OPEN_VIEW_TABLE TYPE STRING,
OPEN_OBJECT TYPE STRING,
SAVE_KEY TYPE STRING,
UPD_ONLINE TYPE STRING,
WMODE TYPE STRING,
SPRACHE TYPE STRING,
ANZ_TEXTART TYPE STRING,
INDEX1 TYPE STRING,
CURSOR_INDEX TYPE STRING,
CURSOR_LINE TYPE STRING,
CURSOR_FOCUS TYPE STRING,
CURSOR_LINE_SET TYPE STRING,
ANZ_LOOP TYPE STRING,
OPEN_DIALOG TYPE STRING,
WITHOUT_FRAME TYPE STRING,
ONLY_OUTPUT TYPE STRING,
MORE_LINES TYPE STRING,
LEFT_ALIGNED TYPE STRING,
SUPPRESS_SCREEN TYPE STRING,
DIALOG TYPE STRING,
WITHOUT_FRAME TYPE STRING,
ONLY_OUTPUT TYPE STRING,
MORE_LINES TYPE STRING,
LEFT_ALIGNED TYPE STRING,
SUPPRESS_SCREEN TYPE STRING,
OPEN_DYNNR TYPE STRING,
STACK TYPE STRING,
NOTIZEN TYPE STRING,
WMODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BUS_SINGLE_NOTICE_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_BUS_SINGLE_NOTICE_STR-OBJAP sy-vline 
WA_BUS_SINGLE_NOTICE_STR-TDOBJECT sy-vline 
WA_BUS_SINGLE_NOTICE_STR-TDID sy-vline 
WA_BUS_SINGLE_NOTICE_STR-TDNAME sy-vline 
WA_BUS_SINGLE_NOTICE_STR-X_TEMP_NUMBER sy-vline 
WA_BUS_SINGLE_NOTICE_STR-NOTE sy-vline 
WA_BUS_SINGLE_NOTICE_STR-PUBLIC sy-vline 
WA_BUS_SINGLE_NOTICE_STR-SUB_REPID sy-vline 
WA_BUS_SINGLE_NOTICE_STR-SUB_DYNNR sy-vline 
WA_BUS_SINGLE_NOTICE_STR-UEBERSCHRIFT sy-vline 
WA_BUS_SINGLE_NOTICE_STR-C sy-vline 
WA_BUS_SINGLE_NOTICE_STR-ACTIVE sy-vline 
WA_BUS_SINGLE_NOTICE_STR-CLIENT sy-vline 
WA_BUS_SINGLE_NOTICE_STR-OPEN_KEY sy-vline 
WA_BUS_SINGLE_NOTICE_STR-OPEN_VIEW sy-vline 
WA_BUS_SINGLE_NOTICE_STR-OPEN_VIEW_TABLE sy-vline 
WA_BUS_SINGLE_NOTICE_STR-OPEN_OBJECT sy-vline 
WA_BUS_SINGLE_NOTICE_STR-SAVE_KEY sy-vline 
WA_BUS_SINGLE_NOTICE_STR-UPD_ONLINE sy-vline 
WA_BUS_SINGLE_NOTICE_STR-WMODE sy-vline 
WA_BUS_SINGLE_NOTICE_STR-SPRACHE sy-vline 
WA_BUS_SINGLE_NOTICE_STR-ANZ_TEXTART sy-vline 
WA_BUS_SINGLE_NOTICE_STR-INDEX1 sy-vline 
WA_BUS_SINGLE_NOTICE_STR-CURSOR_INDEX sy-vline 
WA_BUS_SINGLE_NOTICE_STR-CURSOR_LINE sy-vline 
WA_BUS_SINGLE_NOTICE_STR-CURSOR_FOCUS sy-vline 
WA_BUS_SINGLE_NOTICE_STR-CURSOR_LINE_SET sy-vline 
WA_BUS_SINGLE_NOTICE_STR-ANZ_LOOP sy-vline 
WA_BUS_SINGLE_NOTICE_STR-OPEN_DIALOG sy-vline 
WA_BUS_SINGLE_NOTICE_STR-WITHOUT_FRAME sy-vline 
WA_BUS_SINGLE_NOTICE_STR-ONLY_OUTPUT sy-vline 
WA_BUS_SINGLE_NOTICE_STR-MORE_LINES sy-vline 
WA_BUS_SINGLE_NOTICE_STR-LEFT_ALIGNED sy-vline 
WA_BUS_SINGLE_NOTICE_STR-SUPPRESS_SCREEN sy-vline 
WA_BUS_SINGLE_NOTICE_STR-DIALOG sy-vline 
WA_BUS_SINGLE_NOTICE_STR-WITHOUT_FRAME sy-vline 
WA_BUS_SINGLE_NOTICE_STR-ONLY_OUTPUT sy-vline 
WA_BUS_SINGLE_NOTICE_STR-MORE_LINES sy-vline 
WA_BUS_SINGLE_NOTICE_STR-LEFT_ALIGNED sy-vline 
WA_BUS_SINGLE_NOTICE_STR-SUPPRESS_SCREEN sy-vline 
WA_BUS_SINGLE_NOTICE_STR-OPEN_DYNNR sy-vline 
WA_BUS_SINGLE_NOTICE_STR-STACK sy-vline 
WA_BUS_SINGLE_NOTICE_STR-NOTIZEN sy-vline 
WA_BUS_SINGLE_NOTICE_STR-WMODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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