ABAP Select data from SAP table BAPIBUS2000110_HEADER_INS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPIBUS2000110_HEADER_INS 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 BAPIBUS2000110_HEADER_INS. 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 BAPIBUS2000110_HEADER_INS 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_BAPIBUS2000110_HEADER_INS TYPE STANDARD TABLE OF BAPIBUS2000110_HEADER_INS,
      WA_BAPIBUS2000110_HEADER_INS TYPE BAPIBUS2000110_HEADER_INS,
      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: <BAPIBUS2000110_HEADER_INS> TYPE BAPIBUS2000110_HEADER_INS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPIBUS2000110_HEADER_INS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPIBUS2000110_HEADER_INS
  INTO TABLE IT_BAPIBUS2000110_HEADER_INS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIBUS2000110_HEADER_INS
*  INTO TABLE @DATA(IT_BAPIBUS2000110_HEADER_INS2).
*--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_BAPIBUS2000110_HEADER_INS INDEX 1 INTO DATA(WA_BAPIBUS2000110_HEADER_INS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPIBUS2000110_HEADER_INS ASSIGNING <BAPIBUS2000110_HEADER_INS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIBUS2000110_HEADER_INS>-GUID = 1.
<BAPIBUS2000110_HEADER_INS>-HANDLE = 1.
<BAPIBUS2000110_HEADER_INS>-PROCESS_TYPE = 1.
<BAPIBUS2000110_HEADER_INS>-OBJECT_ID = 1.
<BAPIBUS2000110_HEADER_INS>-PREDECESSOR_PROCESS = 1.

ENDLOOP.

LOOP AT IT_BAPIBUS2000110_HEADER_INS INTO WA_BAPIBUS2000110_HEADER_INS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIBUS2000110_HEADER_INS-PREDECESSOR_OBJECT_TYPE, sy-vline,
  WA_BAPIBUS2000110_HEADER_INS-PREDECESSOR_LOG_SYSTEM, sy-vline,
  WA_BAPIBUS2000110_HEADER_INS-BIN_RELATION_TYPE, sy-vline,
  WA_BAPIBUS2000110_HEADER_INS-LOGICAL_SYSTEM, sy-vline,
  WA_BAPIBUS2000110_HEADER_INS-DESCR_LANGUAGE, sy-vline,
  WA_BAPIBUS2000110_HEADER_INS-LANGU_ISO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIBUS2000110_HEADER_INS 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_BAPIBUS2000110_HEADER_INS 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_BAPIBUS2000110_HEADER_INS INTO WA_BAPIBUS2000110_HEADER_INS.


*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 OBJECT_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUS2000110_HEADER_INS-OBJECT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUS2000110_HEADER_INS-OBJECT_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PREDECESSOR_LOG_SYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUS2000110_HEADER_INS-PREDECESSOR_LOG_SYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUS2000110_HEADER_INS-PREDECESSOR_LOG_SYSTEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGICAL_SYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUS2000110_HEADER_INS-LOGICAL_SYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUS2000110_HEADER_INS-LOGICAL_SYSTEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field DESCR_LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUS2000110_HEADER_INS-DESCR_LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUS2000110_HEADER_INS-DESCR_LANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADDRESS_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUS2000110_HEADER_INS-ADDRESS_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUS2000110_HEADER_INS-ADDRESS_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field CREATED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUS2000110_HEADER_INS-CREATED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUS2000110_HEADER_INS-CREATED_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field CHANGED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUS2000110_HEADER_INS-CHANGED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUS2000110_HEADER_INS-CHANGED_AT.
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_BAPIBUS2000110_HEADER_INS_STR, 
GUID TYPE STRING,
HANDLE TYPE STRING,
PROCESS_TYPE TYPE STRING,
OBJECT_ID TYPE STRING,
PREDECESSOR_PROCESS TYPE STRING,
PREDECESSOR_OBJECT_TYPE TYPE STRING,
PREDECESSOR_LOG_SYSTEM TYPE STRING,
BIN_RELATION_TYPE TYPE STRING,
LOGICAL_SYSTEM TYPE STRING,
DESCR_LANGUAGE TYPE STRING,
LANGU_ISO TYPE STRING,
DESCRIPTION TYPE STRING,
CATEGORY TYPE STRING,
PRIORITY TYPE STRING,
OBJECTIVE TYPE STRING,
DIRECTION TYPE STRING,
EXTERN_ACT_ID TYPE STRING,
ADDRESS_ID TYPE STRING,
ADDRESS_GUID TYPE STRING,
PRIVATE_FLAG TYPE STRING,
COMPLETION TYPE STRING,
POSTING_DATE TYPE STRING,
MODE TYPE STRING,
CREATED_AT TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
ACT_LOCATION TYPE STRING,
TEMPLATE_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIBUS2000110_HEADER_INS_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_BAPIBUS2000110_HEADER_INS_STR-GUID sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-HANDLE sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-PROCESS_TYPE sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-OBJECT_ID sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-PREDECESSOR_PROCESS sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-PREDECESSOR_OBJECT_TYPE sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-PREDECESSOR_LOG_SYSTEM sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-BIN_RELATION_TYPE sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-LOGICAL_SYSTEM sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-DESCR_LANGUAGE sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-LANGU_ISO sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-DESCRIPTION sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-CATEGORY sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-PRIORITY sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-OBJECTIVE sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-DIRECTION sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-EXTERN_ACT_ID sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-ADDRESS_ID sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-ADDRESS_GUID sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-PRIVATE_FLAG sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-COMPLETION sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-POSTING_DATE sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-MODE sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-CREATED_AT sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-CREATED_BY sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-CHANGED_AT sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-CHANGED_BY sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-ACT_LOCATION sy-vline 
WA_BAPIBUS2000110_HEADER_INS_STR-TEMPLATE_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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