ABAP Select data from SAP table BAPI6104 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPI6104 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 BAPI6104. 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 BAPI6104 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_BAPI6104 TYPE STANDARD TABLE OF BAPI6104,
      WA_BAPI6104 TYPE BAPI6104,
      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: <BAPI6104> TYPE BAPI6104.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPI6104.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPI6104
  INTO TABLE IT_BAPI6104.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI6104
*  INTO TABLE @DATA(IT_BAPI61042).
*--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_BAPI6104 INDEX 1 INTO DATA(WA_BAPI61042).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPI6104 ASSIGNING <BAPI6104>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI6104>-INFOSOURCE = 1.
<BAPI6104>-SOURCESYSTEM = 1.
<BAPI6104>-TEXTSHORT = 1.
<BAPI6104>-TEXTMEDIUM = 1.
<BAPI6104>-TEXTLONG = 1.

ENDLOOP.

LOOP AT IT_BAPI6104 INTO WA_BAPI6104.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI6104-MSDFLAG, sy-vline,
  WA_BAPI6104-TXTFLAG, sy-vline,
  WA_BAPI6104-HIEFLAG, sy-vline,
  WA_BAPI6104-TIMDEPFL, sy-vline,
  WA_BAPI6104-DELTAUPD, sy-vline,
  WA_BAPI6104-PACKGUPD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI6104 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_BAPI6104 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_BAPI6104 INTO WA_BAPI6104.


*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 SOURCESYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI6104-SOURCESYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI6104-SOURCESYSTEM.
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_BAPI6104_STR, 
INFOSOURCE TYPE STRING,
SOURCESYSTEM TYPE STRING,
TEXTSHORT TYPE STRING,
TEXTMEDIUM TYPE STRING,
TEXTLONG TYPE STRING,
MSDFLAG TYPE STRING,
TXTFLAG TYPE STRING,
HIEFLAG TYPE STRING,
TIMDEPFL TYPE STRING,
DELTAUPD TYPE STRING,
PACKGUPD TYPE STRING,
DELTAUPDTXT TYPE STRING,
PACKGUPDTXT TYPE STRING,
CUSTOMERDEFINED TYPE STRING,
ACTIVE TYPE STRING,
TRANSTRUCTURE TYPE STRING,
MODIFICATIONDATE TYPE STRING,
MODIFICATIONTIME TYPE STRING,
LOADMETHOD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI6104_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_BAPI6104_STR-INFOSOURCE sy-vline 
WA_BAPI6104_STR-SOURCESYSTEM sy-vline 
WA_BAPI6104_STR-TEXTSHORT sy-vline 
WA_BAPI6104_STR-TEXTMEDIUM sy-vline 
WA_BAPI6104_STR-TEXTLONG sy-vline 
WA_BAPI6104_STR-MSDFLAG sy-vline 
WA_BAPI6104_STR-TXTFLAG sy-vline 
WA_BAPI6104_STR-HIEFLAG sy-vline 
WA_BAPI6104_STR-TIMDEPFL sy-vline 
WA_BAPI6104_STR-DELTAUPD sy-vline 
WA_BAPI6104_STR-PACKGUPD sy-vline 
WA_BAPI6104_STR-DELTAUPDTXT sy-vline 
WA_BAPI6104_STR-PACKGUPDTXT sy-vline 
WA_BAPI6104_STR-CUSTOMERDEFINED sy-vline 
WA_BAPI6104_STR-ACTIVE sy-vline 
WA_BAPI6104_STR-TRANSTRUCTURE sy-vline 
WA_BAPI6104_STR-MODIFICATIONDATE sy-vline 
WA_BAPI6104_STR-MODIFICATIONTIME sy-vline 
WA_BAPI6104_STR-LOADMETHOD sy-vline      INTO ld_text SEPARATED BY SPACE.

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