ABAP Select data from SAP table BAPI_FTR_GETDETAIL_COMS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_FTR_GETDETAIL_COMS
*  INTO TABLE @DATA(IT_BAPI_FTR_GETDETAIL_COMS2).
*--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_BAPI_FTR_GETDETAIL_COMS INDEX 1 INTO DATA(WA_BAPI_FTR_GETDETAIL_COMS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_FTR_GETDETAIL_COMS>-START_TERM = 1.
<BAPI_FTR_GETDETAIL_COMS>-END_TERM = 1.
<BAPI_FTR_GETDETAIL_COMS>-CALENDAR1 = 1.
<BAPI_FTR_GETDETAIL_COMS>-CALENDAR2 = 1.
<BAPI_FTR_GETDETAIL_COMS>-BUY_COMMODITY_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_FTR_GETDETAIL_COMS-BUY_QUANTITY, sy-vline,
  WA_BAPI_FTR_GETDETAIL_COMS-BUY_UNIT_OF_MEASURE, sy-vline,
  WA_BAPI_FTR_GETDETAIL_COMS-BUY_UNIT_OF_MEASURE_ISO, sy-vline,
  WA_BAPI_FTR_GETDETAIL_COMS-BUY_PRICE_PER_UNIT, sy-vline,
  WA_BAPI_FTR_GETDETAIL_COMS-BUY_PRICE_UNIT, sy-vline,
  WA_BAPI_FTR_GETDETAIL_COMS-BUY_PRICE_UNIT_OF_MEASURE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_FTR_GETDETAIL_COMS 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_BAPI_FTR_GETDETAIL_COMS 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_BAPI_FTR_GETDETAIL_COMS INTO WA_BAPI_FTR_GETDETAIL_COMS.


*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 CUNIT, internal->external for field BUY_UNIT_OF_MEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_FTR_GETDETAIL_COMS-BUY_UNIT_OF_MEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_FTR_GETDETAIL_COMS-BUY_UNIT_OF_MEASURE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BUY_PRICE_UNIT_OF_MEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_FTR_GETDETAIL_COMS-BUY_PRICE_UNIT_OF_MEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_FTR_GETDETAIL_COMS-BUY_PRICE_UNIT_OF_MEASURE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SELL_UNIT_OF_MEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_FTR_GETDETAIL_COMS-SELL_UNIT_OF_MEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_FTR_GETDETAIL_COMS-SELL_UNIT_OF_MEASURE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SELL_PRICE_UNIT_OF_MEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_FTR_GETDETAIL_COMS-SELL_PRICE_UNIT_OF_MEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_FTR_GETDETAIL_COMS-SELL_PRICE_UNIT_OF_MEASURE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BUY_TRADED_QUANTITY_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_FTR_GETDETAIL_COMS-BUY_TRADED_QUANTITY_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_FTR_GETDETAIL_COMS-BUY_TRADED_QUANTITY_UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BUY_CONV_FCTR_TRADED_QTY_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_FTR_GETDETAIL_COMS-BUY_CONV_FCTR_TRADED_QTY_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_FTR_GETDETAIL_COMS-BUY_CONV_FCTR_TRADED_QTY_UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BUY_CONV_FCTR_PRICED_QTY_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_FTR_GETDETAIL_COMS-BUY_CONV_FCTR_PRICED_QTY_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_FTR_GETDETAIL_COMS-BUY_CONV_FCTR_PRICED_QTY_UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SELL_TRADED_QUANTITY_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_FTR_GETDETAIL_COMS-SELL_TRADED_QUANTITY_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_FTR_GETDETAIL_COMS-SELL_TRADED_QUANTITY_UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SELL_CONV_FCTR_TRADED_QTY_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_FTR_GETDETAIL_COMS-SELL_CONV_FCTR_TRADED_QTY_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_FTR_GETDETAIL_COMS-SELL_CONV_FCTR_TRADED_QTY_UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SELL_CONV_FCTR_PRICED_QTY_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_FTR_GETDETAIL_COMS-SELL_CONV_FCTR_PRICED_QTY_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_FTR_GETDETAIL_COMS-SELL_CONV_FCTR_PRICED_QTY_UOM.
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_BAPI_FTR_GETDETAIL_COMS_STR, 
START_TERM TYPE STRING,
END_TERM TYPE STRING,
CALENDAR1 TYPE STRING,
CALENDAR2 TYPE STRING,
BUY_COMMODITY_ID TYPE STRING,
BUY_QUANTITY TYPE STRING,
BUY_UNIT_OF_MEASURE TYPE STRING,
BUY_UNIT_OF_MEASURE_ISO TYPE STRING,
BUY_PRICE_PER_UNIT TYPE STRING,
BUY_PRICE_UNIT TYPE STRING,
BUY_PRICE_UNIT_OF_MEASURE TYPE STRING,
BUY_PRICE_UNIT_OF_MEASURE_ISO TYPE STRING,
BUY_PRICE_CURRENCY TYPE STRING,
BUY_PRICE_CURRENCY_ISO TYPE STRING,
BUY_SPREAD TYPE STRING,
BUY_SPOT_PRICE TYPE STRING,
SELL_COMMODITY_ID TYPE STRING,
SELL_QUANTITY TYPE STRING,
SELL_UNIT_OF_MEASURE TYPE STRING,
SELL_UNIT_OF_MEASURE_ISO TYPE STRING,
SELL_PRICE_PER_UNIT TYPE STRING,
SELL_PRICE_UNIT TYPE STRING,
SELL_PRICE_UNIT_OF_MEASURE TYPE STRING,
SELL_PRICE_UNIT_OF_MEASURE_ISO TYPE STRING,
SELL_PRICE_CURRENCY TYPE STRING,
SELL_PRICE_CURRENCY_ISO TYPE STRING,
SELL_SPREAD TYPE STRING,
SELL_SPOT_PRICE TYPE STRING,
DATE_OF_NOTICE TYPE STRING,
BUY_DCSID TYPE STRING,
BUY_MIC TYPE STRING,
BUY_PRICE_TYPE TYPE STRING,
BUY_TIME_TO_MATURITY TYPE STRING,
SELL_DCSID TYPE STRING,
SELL_MIC TYPE STRING,
SELL_PRICE_TYPE TYPE STRING,
SELL_TIME_TO_MATURITY TYPE STRING,
BUY_TIMING TYPE STRING,
SELL_TIMING TYPE STRING,
BUY_DCSID_LONG TYPE STRING,
SELL_DCSID_LONG TYPE STRING,
BUY_TRADED_QUANTITY TYPE STRING,
BUY_TRADED_QUANTITY_UOM TYPE STRING,
BUY_CONV_FCTR_TRADED_QTY TYPE STRING,
BUY_CONV_FCTR_TRADED_QTY_UOM TYPE STRING,
BUY_CONV_FCTR_PRICED_QTY TYPE STRING,
BUY_CONV_FCTR_PRICED_QTY_UOM TYPE STRING,
SELL_TRADED_QUANTITY TYPE STRING,
SELL_TRADED_QUANTITY_UOM TYPE STRING,
SELL_CONV_FCTR_TRADED_QTY TYPE STRING,
SELL_CONV_FCTR_TRADED_QTY_UOM TYPE STRING,
SELL_CONV_FCTR_PRICED_QTY TYPE STRING,
SELL_CONV_FCTR_PRICED_QTY_UOM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_FTR_GETDETAIL_COMS_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_BAPI_FTR_GETDETAIL_COMS_STR-START_TERM sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-END_TERM sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-CALENDAR1 sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-CALENDAR2 sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_COMMODITY_ID sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_QUANTITY sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_UNIT_OF_MEASURE sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_UNIT_OF_MEASURE_ISO sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_PRICE_PER_UNIT sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_PRICE_UNIT sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_PRICE_UNIT_OF_MEASURE sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_PRICE_UNIT_OF_MEASURE_ISO sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_PRICE_CURRENCY sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_PRICE_CURRENCY_ISO sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_SPREAD sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_SPOT_PRICE sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_COMMODITY_ID sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_QUANTITY sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_UNIT_OF_MEASURE sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_UNIT_OF_MEASURE_ISO sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_PRICE_PER_UNIT sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_PRICE_UNIT sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_PRICE_UNIT_OF_MEASURE sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_PRICE_UNIT_OF_MEASURE_ISO sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_PRICE_CURRENCY sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_PRICE_CURRENCY_ISO sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_SPREAD sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_SPOT_PRICE sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-DATE_OF_NOTICE sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_DCSID sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_MIC sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_PRICE_TYPE sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_TIME_TO_MATURITY sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_DCSID sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_MIC sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_PRICE_TYPE sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_TIME_TO_MATURITY sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_TIMING sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_TIMING sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_DCSID_LONG sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_DCSID_LONG sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_TRADED_QUANTITY sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_TRADED_QUANTITY_UOM sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_CONV_FCTR_TRADED_QTY sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_CONV_FCTR_TRADED_QTY_UOM sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_CONV_FCTR_PRICED_QTY sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-BUY_CONV_FCTR_PRICED_QTY_UOM sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_TRADED_QUANTITY sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_TRADED_QUANTITY_UOM sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_CONV_FCTR_TRADED_QTY sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_CONV_FCTR_TRADED_QTY_UOM sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_CONV_FCTR_PRICED_QTY sy-vline 
WA_BAPI_FTR_GETDETAIL_COMS_STR-SELL_CONV_FCTR_PRICED_QTY_UOM sy-vline      INTO ld_text SEPARATED BY SPACE.

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