ABAP Select data from SAP table BAPIBUSISM024_SEL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPIBUSISM024_SEL 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 BAPIBUSISM024_SEL. 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 BAPIBUSISM024_SEL 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_BAPIBUSISM024_SEL TYPE STANDARD TABLE OF BAPIBUSISM024_SEL,
      WA_BAPIBUSISM024_SEL TYPE BAPIBUSISM024_SEL,
      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: <BAPIBUSISM024_SEL> TYPE BAPIBUSISM024_SEL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPIBUSISM024_SEL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPIBUSISM024_SEL
  INTO TABLE IT_BAPIBUSISM024_SEL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIBUSISM024_SEL
*  INTO TABLE @DATA(IT_BAPIBUSISM024_SEL2).
*--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_BAPIBUSISM024_SEL INDEX 1 INTO DATA(WA_BAPIBUSISM024_SEL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPIBUSISM024_SEL ASSIGNING <BAPIBUSISM024_SEL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIBUSISM024_SEL>-BOOKING_UNIT_ID = 1.
<BAPIBUSISM024_SEL>-SHORTTEXT = 1.
<BAPIBUSISM024_SEL>-LONGTEXT = 1.
<BAPIBUSISM024_SEL>-BUGROUP = 1.
<BAPIBUSISM024_SEL>-REFERENCE_PUBLICATION = 1.

ENDLOOP.

LOOP AT IT_BAPIBUSISM024_SEL INTO WA_BAPIBUSISM024_SEL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIBUSISM024_SEL-REFERENCEEDITION, sy-vline,
  WA_BAPIBUSISM024_SEL-ADITEMTYPE, sy-vline,
  WA_BAPIBUSISM024_SEL-COMMERCIALITEMTYPE, sy-vline,
  WA_BAPIBUSISM024_SEL-ADINSERTITEMTYPE, sy-vline,
  WA_BAPIBUSISM024_SEL-DISTRIBUTIONITMTYP, sy-vline,
  WA_BAPIBUSISM024_SEL-ONLINEITEMTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIBUSISM024_SEL 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_BAPIBUSISM024_SEL 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_BAPIBUSISM024_SEL INTO WA_BAPIBUSISM024_SEL.


*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 BOOKING_UNIT_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUSISM024_SEL-BOOKING_UNIT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUSISM024_SEL-BOOKING_UNIT_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BUGROUP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUSISM024_SEL-BUGROUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUSISM024_SEL-BUGROUP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFERENCE_PUBLICATION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUSISM024_SEL-REFERENCE_PUBLICATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUSISM024_SEL-REFERENCE_PUBLICATION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFERENCEEDITION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUSISM024_SEL-REFERENCEEDITION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUSISM024_SEL-REFERENCEEDITION.
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_BAPIBUSISM024_SEL_STR, 
BOOKING_UNIT_ID TYPE STRING,
SHORTTEXT TYPE STRING,
LONGTEXT TYPE STRING,
BUGROUP TYPE STRING,
REFERENCE_PUBLICATION TYPE STRING,
REFERENCEEDITION TYPE STRING,
ADITEMTYPE TYPE STRING,
COMMERCIALITEMTYPE TYPE STRING,
ADINSERTITEMTYPE TYPE STRING,
DISTRIBUTIONITMTYP TYPE STRING,
ONLINEITEMTYPE TYPE STRING,
BASICBOOKINGUNIT TYPE STRING,
COMBINED_BOOKING_UNIT TYPE STRING,
SALESBLOCK TYPE STRING,
SALABLEUNTIL TYPE STRING,
SALABLEFROM TYPE STRING,
NORESTRICTION TYPE STRING,
DELETIONFLAG TYPE STRING,
CREATEDBY TYPE STRING,
CREATEDON TYPE STRING,
CREATEDAT TYPE STRING,
CHANGEDBY TYPE STRING,
CHANGEDON TYPE STRING,
CHANGEDAT TYPE STRING,
PAGECOLUMNFORMAT TYPE STRING,
START_OF_PERIOD TYPE STRING,
END_OF_PERIOD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIBUSISM024_SEL_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_BAPIBUSISM024_SEL_STR-BOOKING_UNIT_ID sy-vline 
WA_BAPIBUSISM024_SEL_STR-SHORTTEXT sy-vline 
WA_BAPIBUSISM024_SEL_STR-LONGTEXT sy-vline 
WA_BAPIBUSISM024_SEL_STR-BUGROUP sy-vline 
WA_BAPIBUSISM024_SEL_STR-REFERENCE_PUBLICATION sy-vline 
WA_BAPIBUSISM024_SEL_STR-REFERENCEEDITION sy-vline 
WA_BAPIBUSISM024_SEL_STR-ADITEMTYPE sy-vline 
WA_BAPIBUSISM024_SEL_STR-COMMERCIALITEMTYPE sy-vline 
WA_BAPIBUSISM024_SEL_STR-ADINSERTITEMTYPE sy-vline 
WA_BAPIBUSISM024_SEL_STR-DISTRIBUTIONITMTYP sy-vline 
WA_BAPIBUSISM024_SEL_STR-ONLINEITEMTYPE sy-vline 
WA_BAPIBUSISM024_SEL_STR-BASICBOOKINGUNIT sy-vline 
WA_BAPIBUSISM024_SEL_STR-COMBINED_BOOKING_UNIT sy-vline 
WA_BAPIBUSISM024_SEL_STR-SALESBLOCK sy-vline 
WA_BAPIBUSISM024_SEL_STR-SALABLEUNTIL sy-vline 
WA_BAPIBUSISM024_SEL_STR-SALABLEFROM sy-vline 
WA_BAPIBUSISM024_SEL_STR-NORESTRICTION sy-vline 
WA_BAPIBUSISM024_SEL_STR-DELETIONFLAG sy-vline 
WA_BAPIBUSISM024_SEL_STR-CREATEDBY sy-vline 
WA_BAPIBUSISM024_SEL_STR-CREATEDON sy-vline 
WA_BAPIBUSISM024_SEL_STR-CREATEDAT sy-vline 
WA_BAPIBUSISM024_SEL_STR-CHANGEDBY sy-vline 
WA_BAPIBUSISM024_SEL_STR-CHANGEDON sy-vline 
WA_BAPIBUSISM024_SEL_STR-CHANGEDAT sy-vline 
WA_BAPIBUSISM024_SEL_STR-PAGECOLUMNFORMAT sy-vline 
WA_BAPIBUSISM024_SEL_STR-START_OF_PERIOD sy-vline 
WA_BAPIBUSISM024_SEL_STR-END_OF_PERIOD sy-vline      INTO ld_text SEPARATED BY SPACE.

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