ABAP Select data from SAP table BDI_BMODEL into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BDI_BMODEL
*  INTO TABLE @DATA(IT_BDI_BMODEL2).
*--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_BDI_BMODEL INDEX 1 INTO DATA(WA_BDI_BMODEL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BDI_BMODEL>-SNDSYSTEM = 1.
<BDI_BMODEL>-BOBJTYPE = 1.
<BDI_BMODEL>-METHOD = 1.
<BDI_BMODEL>-RCVSYSTEM = 1.
<BDI_BMODEL>-ACTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BDI_BMODEL-APARAM, sy-vline,
  WA_BDI_BMODEL-COMBINENUM, sy-vline,
  WA_BDI_BMODEL-FTYPE, sy-vline,
  WA_BDI_BMODEL-FBOBJTYPE, sy-vline,
  WA_BDI_BMODEL-FMETHOD, sy-vline,
  WA_BDI_BMODEL-FMESTYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BDI_BMODEL 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_BDI_BMODEL 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_BDI_BMODEL INTO WA_BDI_BMODEL.


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

*Conversion exit ALPHA, internal->external for field RCVSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BDI_BMODEL-RCVSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BDI_BMODEL-RCVSYSTEM.
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_BDI_BMODEL_STR, 
SNDSYSTEM TYPE STRING,
BOBJTYPE TYPE STRING,
METHOD TYPE STRING,
RCVSYSTEM TYPE STRING,
ACTION TYPE STRING,
APARAM TYPE STRING,
COMBINENUM TYPE STRING,
FTYPE TYPE STRING,
FBOBJTYPE TYPE STRING,
FMETHOD TYPE STRING,
FMESTYP TYPE STRING,
FOBJTYPE TYPE STRING,
FOBJVALUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BDI_BMODEL_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_BDI_BMODEL_STR-SNDSYSTEM sy-vline 
WA_BDI_BMODEL_STR-BOBJTYPE sy-vline 
WA_BDI_BMODEL_STR-METHOD sy-vline 
WA_BDI_BMODEL_STR-RCVSYSTEM sy-vline 
WA_BDI_BMODEL_STR-ACTION sy-vline 
WA_BDI_BMODEL_STR-APARAM sy-vline 
WA_BDI_BMODEL_STR-COMBINENUM sy-vline 
WA_BDI_BMODEL_STR-FTYPE sy-vline 
WA_BDI_BMODEL_STR-FBOBJTYPE sy-vline 
WA_BDI_BMODEL_STR-FMETHOD sy-vline 
WA_BDI_BMODEL_STR-FMESTYP sy-vline 
WA_BDI_BMODEL_STR-FOBJTYPE sy-vline 
WA_BDI_BMODEL_STR-FOBJVALUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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