ABAP Select data from SAP table BAPIBUS1006_HEAD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPIBUS1006_HEAD 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 BAPIBUS1006_HEAD. 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 BAPIBUS1006_HEAD 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_BAPIBUS1006_HEAD TYPE STANDARD TABLE OF BAPIBUS1006_HEAD,
      WA_BAPIBUS1006_HEAD TYPE BAPIBUS1006_HEAD,
      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: <BAPIBUS1006_HEAD> TYPE BAPIBUS1006_HEAD.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPIBUS1006_HEAD.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPIBUS1006_HEAD
  INTO TABLE IT_BAPIBUS1006_HEAD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIBUS1006_HEAD
*  INTO TABLE @DATA(IT_BAPIBUS1006_HEAD2).
*--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_BAPIBUS1006_HEAD INDEX 1 INTO DATA(WA_BAPIBUS1006_HEAD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPIBUS1006_HEAD ASSIGNING <BAPIBUS1006_HEAD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIBUS1006_HEAD>-BPARTNER = 1.
<BAPIBUS1006_HEAD>-PARTN_CAT = 1.
<BAPIBUS1006_HEAD>-PARTN_TYP = 1.
<BAPIBUS1006_HEAD>-PARTN_GRP = 1.
<BAPIBUS1006_HEAD>-PARTNERGUID = 1.

ENDLOOP.

LOOP AT IT_BAPIBUS1006_HEAD INTO WA_BAPIBUS1006_HEAD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIBUS1006_HEAD-EXTERN_NO, sy-vline,
  WA_BAPIBUS1006_HEAD-ADDR_NO, sy-vline,
  WA_BAPIBUS1006_HEAD-ADDRESSGUID, sy-vline,
  WA_BAPIBUS1006_HEAD-EXTERNALADDRESSNUMBER, sy-vline,
  WA_BAPIBUS1006_HEAD-PARTNERROLE, sy-vline,
  WA_BAPIBUS1006_HEAD-BANKDETAILID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIBUS1006_HEAD 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_BAPIBUS1006_HEAD 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_BAPIBUS1006_HEAD INTO WA_BAPIBUS1006_HEAD.


*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 BPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUS1006_HEAD-BPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUS1006_HEAD-BPARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADDR_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUS1006_HEAD-ADDR_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUS1006_HEAD-ADDR_NO.
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_BAPIBUS1006_HEAD_STR, 
BPARTNER TYPE STRING,
PARTN_CAT TYPE STRING,
PARTN_TYP TYPE STRING,
PARTN_GRP TYPE STRING,
PARTNERGUID TYPE STRING,
EXTERN_NO TYPE STRING,
ADDR_NO TYPE STRING,
ADDRESSGUID TYPE STRING,
EXTERNALADDRESSNUMBER TYPE STRING,
PARTNERROLE TYPE STRING,
BANKDETAILID TYPE STRING,
EXTERNALBANKDETAILID TYPE STRING,
PARTNGUID TYPE STRING,
PARTNROLE TYPE STRING,
CONTROLDUPLICATEMESSAGE TYPE STRING,
NEWINTERNALMODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIBUS1006_HEAD_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_BAPIBUS1006_HEAD_STR-BPARTNER sy-vline 
WA_BAPIBUS1006_HEAD_STR-PARTN_CAT sy-vline 
WA_BAPIBUS1006_HEAD_STR-PARTN_TYP sy-vline 
WA_BAPIBUS1006_HEAD_STR-PARTN_GRP sy-vline 
WA_BAPIBUS1006_HEAD_STR-PARTNERGUID sy-vline 
WA_BAPIBUS1006_HEAD_STR-EXTERN_NO sy-vline 
WA_BAPIBUS1006_HEAD_STR-ADDR_NO sy-vline 
WA_BAPIBUS1006_HEAD_STR-ADDRESSGUID sy-vline 
WA_BAPIBUS1006_HEAD_STR-EXTERNALADDRESSNUMBER sy-vline 
WA_BAPIBUS1006_HEAD_STR-PARTNERROLE sy-vline 
WA_BAPIBUS1006_HEAD_STR-BANKDETAILID sy-vline 
WA_BAPIBUS1006_HEAD_STR-EXTERNALBANKDETAILID sy-vline 
WA_BAPIBUS1006_HEAD_STR-PARTNGUID sy-vline 
WA_BAPIBUS1006_HEAD_STR-PARTNROLE sy-vline 
WA_BAPIBUS1006_HEAD_STR-CONTROLDUPLICATEMESSAGE sy-vline 
WA_BAPIBUS1006_HEAD_STR-NEWINTERNALMODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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