ABAP Select data from SAP table BUS000N_DI into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BUS000N_DI 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 BUS000N_DI. 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 BUS000N_DI 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_BUS000N_DI TYPE STANDARD TABLE OF BUS000N_DI,
      WA_BUS000N_DI TYPE BUS000N_DI,
      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: <BUS000N_DI> TYPE BUS000N_DI.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BUS000N_DI.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BUS000N_DI
  INTO TABLE IT_BUS000N_DI.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BUS000N_DI
*  INTO TABLE @DATA(IT_BUS000N_DI2).
*--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_BUS000N_DI INDEX 1 INTO DATA(WA_BUS000N_DI2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BUS000N_DI ASSIGNING <BUS000N_DI>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BUS000N_DI>-NAME_LAST = 1.
<BUS000N_DI>-NAME_FIRST = 1.
<BUS000N_DI>-NAME_LST2 = 1.
<BUS000N_DI>-NAME_LAST2 = 1.
<BUS000N_DI>-NAMEMIDDLE = 1.

ENDLOOP.

LOOP AT IT_BUS000N_DI INTO WA_BUS000N_DI.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BUS000N_DI-TITLE_ACA1, sy-vline,
  WA_BUS000N_DI-TITLE_ACA2, sy-vline,
  WA_BUS000N_DI-TITLE_ROYL, sy-vline,
  WA_BUS000N_DI-PREFIX1, sy-vline,
  WA_BUS000N_DI-PREFIX2, sy-vline,
  WA_BUS000N_DI-NAME1_TEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BUS000N_DI 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_BUS000N_DI 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_BUS000N_DI INTO WA_BUS000N_DI.


*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 LANGU_CORR
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_BUS000N_DI-LANGU_CORR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BUS000N_DI-LANGU_CORR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PERSNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BUS000N_DI-PERSNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BUS000N_DI-PERSNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field BU_LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_BUS000N_DI-BU_LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BUS000N_DI-BU_LANGU.
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_BUS000N_DI_STR, 
NAME_LAST TYPE STRING,
NAME_FIRST TYPE STRING,
NAME_LST2 TYPE STRING,
NAME_LAST2 TYPE STRING,
NAMEMIDDLE TYPE STRING,
TITLE_ACA1 TYPE STRING,
TITLE_ACA2 TYPE STRING,
TITLE_ROYL TYPE STRING,
PREFIX1 TYPE STRING,
PREFIX2 TYPE STRING,
NAME1_TEXT TYPE STRING,
NICKNAME TYPE STRING,
INITIALS TYPE STRING,
NAMEFORMAT TYPE STRING,
NAMCOUNTRY TYPE STRING,
LANGU_CORR TYPE STRING,
XSEXM TYPE STRING,
XSEXF TYPE STRING,
BIRTHPL TYPE STRING,
MARST TYPE STRING,
EMPLO TYPE STRING,
JOBGR TYPE STRING,
NATIO TYPE STRING,
CNTAX TYPE STRING,
CNDSC TYPE STRING,
PERSNUMBER TYPE STRING,
XSEXU TYPE STRING,
XUBNAME TYPE STRING,
BU_LANGU TYPE STRING,
GENDER TYPE STRING,
BIRTHDT TYPE STRING,
DEATHDT TYPE STRING,
PERNO TYPE STRING,
CHILDREN TYPE STRING,
MEM_HOUSE TYPE STRING,
BIRTHDT_STATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BUS000N_DI_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_BUS000N_DI_STR-NAME_LAST sy-vline 
WA_BUS000N_DI_STR-NAME_FIRST sy-vline 
WA_BUS000N_DI_STR-NAME_LST2 sy-vline 
WA_BUS000N_DI_STR-NAME_LAST2 sy-vline 
WA_BUS000N_DI_STR-NAMEMIDDLE sy-vline 
WA_BUS000N_DI_STR-TITLE_ACA1 sy-vline 
WA_BUS000N_DI_STR-TITLE_ACA2 sy-vline 
WA_BUS000N_DI_STR-TITLE_ROYL sy-vline 
WA_BUS000N_DI_STR-PREFIX1 sy-vline 
WA_BUS000N_DI_STR-PREFIX2 sy-vline 
WA_BUS000N_DI_STR-NAME1_TEXT sy-vline 
WA_BUS000N_DI_STR-NICKNAME sy-vline 
WA_BUS000N_DI_STR-INITIALS sy-vline 
WA_BUS000N_DI_STR-NAMEFORMAT sy-vline 
WA_BUS000N_DI_STR-NAMCOUNTRY sy-vline 
WA_BUS000N_DI_STR-LANGU_CORR sy-vline 
WA_BUS000N_DI_STR-XSEXM sy-vline 
WA_BUS000N_DI_STR-XSEXF sy-vline 
WA_BUS000N_DI_STR-BIRTHPL sy-vline 
WA_BUS000N_DI_STR-MARST sy-vline 
WA_BUS000N_DI_STR-EMPLO sy-vline 
WA_BUS000N_DI_STR-JOBGR sy-vline 
WA_BUS000N_DI_STR-NATIO sy-vline 
WA_BUS000N_DI_STR-CNTAX sy-vline 
WA_BUS000N_DI_STR-CNDSC sy-vline 
WA_BUS000N_DI_STR-PERSNUMBER sy-vline 
WA_BUS000N_DI_STR-XSEXU sy-vline 
WA_BUS000N_DI_STR-XUBNAME sy-vline 
WA_BUS000N_DI_STR-BU_LANGU sy-vline 
WA_BUS000N_DI_STR-GENDER sy-vline 
WA_BUS000N_DI_STR-BIRTHDT sy-vline 
WA_BUS000N_DI_STR-DEATHDT sy-vline 
WA_BUS000N_DI_STR-PERNO sy-vline 
WA_BUS000N_DI_STR-CHILDREN sy-vline 
WA_BUS000N_DI_STR-MEM_HOUSE sy-vline 
WA_BUS000N_DI_STR-BIRTHDT_STATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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