ABAP Select data from SAP table BAPIEBKN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIEBKN
*  INTO TABLE @DATA(IT_BAPIEBKN2).
*--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_BAPIEBKN INDEX 1 INTO DATA(WA_BAPIEBKN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIEBKN>-PREQ_NO = 1.
<BAPIEBKN>-PREQ_ITEM = 1.
<BAPIEBKN>-SERIAL_NO = 1.
<BAPIEBKN>-DELETE_IND = 1.
<BAPIEBKN>-CREATED_ON = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIEBKN-CREATED_BY, sy-vline,
  WA_BAPIEBKN-PREQ_QTY, sy-vline,
  WA_BAPIEBKN-DISTR_PERC, sy-vline,
  WA_BAPIEBKN-G_L_ACCT, sy-vline,
  WA_BAPIEBKN-BUS_AREA, sy-vline,
  WA_BAPIEBKN-COST_CTR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIEBKN 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_BAPIEBKN 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_BAPIEBKN INTO WA_BAPIEBKN.


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

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

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

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

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

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

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

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

*Conversion exit ABPSP, internal->external for field WBS_ELEM
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_BAPIEBKN-WBS_ELEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIEBKN-WBS_ELEM.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit IMKEY, internal->external for field RL_EST_KEY
CALL FUNCTION 'CONVERSION_EXIT_IMKEY_OUTPUT'
  EXPORTING
    input =                      WA_BAPIEBKN-RL_EST_KEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIEBKN-RL_EST_KEY.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit FMCIS, internal->external for field CMMT_ITEM
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_BAPIEBKN-CMMT_ITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIEBKN-CMMT_ITEM.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ABPSN, internal->external for field WBS_ELEM_E
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_BAPIEBKN-WBS_ELEM_E
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIEBKN-WBS_ELEM_E.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field PROJ_EXT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_BAPIEBKN-PROJ_EXT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIEBKN-PROJ_EXT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field ACTIVITY
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_BAPIEBKN-ACTIVITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIEBKN-ACTIVITY.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit FMCIL, internal->external for field CMMT_ITEM_LONG
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_BAPIEBKN-CMMT_ITEM_LONG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIEBKN-CMMT_ITEM_LONG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RES_DOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIEBKN-RES_DOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIEBKN-RES_DOC.
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_BAPIEBKN_STR, 
PREQ_NO TYPE STRING,
PREQ_ITEM TYPE STRING,
SERIAL_NO TYPE STRING,
DELETE_IND TYPE STRING,
CREATED_ON TYPE STRING,
CREATED_BY TYPE STRING,
PREQ_QTY TYPE STRING,
DISTR_PERC TYPE STRING,
G_L_ACCT TYPE STRING,
BUS_AREA TYPE STRING,
COST_CTR TYPE STRING,
PROJ_NO TYPE STRING,
SD_DOC TYPE STRING,
SDOC_ITEM TYPE STRING,
SCHED_LINE TYPE STRING,
ASSET_NO TYPE STRING,
SUB_NUMBER TYPE STRING,
ORDER_NO TYPE STRING,
GR_RCPT TYPE STRING,
UNLOAD_PT TYPE STRING,
CO_AREA TYPE STRING,
TO_COSTCTR TYPE STRING,
TO_ORDER TYPE STRING,
TO_PROJECT TYPE STRING,
COST_OBJ TYPE STRING,
PROF_SEGM TYPE STRING,
PROFIT_CTR TYPE STRING,
WBS_ELEM TYPE STRING,
NETWORK TYPE STRING,
ROUTING_NO TYPE STRING,
RL_EST_KEY TYPE STRING,
COUNTER TYPE STRING,
PART_ACCT TYPE STRING,
CMMT_ITEM TYPE STRING,
REC_IND TYPE STRING,
FUNDS_CTR TYPE STRING,
FUND TYPE STRING,
FUNC_AREA TYPE STRING,
REF_DATE TYPE STRING,
CHANGE_ID TYPE STRING,
CURRENCY TYPE STRING,
PREQ_UNIT TYPE STRING,
WBS_ELEM_E TYPE STRING,
PROJ_EXT TYPE STRING,
ACTIVITY TYPE STRING,
FUNC_AREA_LONG TYPE STRING,
GRANT_NBR TYPE STRING,
CMMT_ITEM_LONG TYPE STRING,
RES_DOC TYPE STRING,
RES_ITEM TYPE STRING,
FUND_LONG TYPE STRING,
BUDGET_PERIOD TYPE STRING,
FMFGUS_KEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIEBKN_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_BAPIEBKN_STR-PREQ_NO sy-vline 
WA_BAPIEBKN_STR-PREQ_ITEM sy-vline 
WA_BAPIEBKN_STR-SERIAL_NO sy-vline 
WA_BAPIEBKN_STR-DELETE_IND sy-vline 
WA_BAPIEBKN_STR-CREATED_ON sy-vline 
WA_BAPIEBKN_STR-CREATED_BY sy-vline 
WA_BAPIEBKN_STR-PREQ_QTY sy-vline 
WA_BAPIEBKN_STR-DISTR_PERC sy-vline 
WA_BAPIEBKN_STR-G_L_ACCT sy-vline 
WA_BAPIEBKN_STR-BUS_AREA sy-vline 
WA_BAPIEBKN_STR-COST_CTR sy-vline 
WA_BAPIEBKN_STR-PROJ_NO sy-vline 
WA_BAPIEBKN_STR-SD_DOC sy-vline 
WA_BAPIEBKN_STR-SDOC_ITEM sy-vline 
WA_BAPIEBKN_STR-SCHED_LINE sy-vline 
WA_BAPIEBKN_STR-ASSET_NO sy-vline 
WA_BAPIEBKN_STR-SUB_NUMBER sy-vline 
WA_BAPIEBKN_STR-ORDER_NO sy-vline 
WA_BAPIEBKN_STR-GR_RCPT sy-vline 
WA_BAPIEBKN_STR-UNLOAD_PT sy-vline 
WA_BAPIEBKN_STR-CO_AREA sy-vline 
WA_BAPIEBKN_STR-TO_COSTCTR sy-vline 
WA_BAPIEBKN_STR-TO_ORDER sy-vline 
WA_BAPIEBKN_STR-TO_PROJECT sy-vline 
WA_BAPIEBKN_STR-COST_OBJ sy-vline 
WA_BAPIEBKN_STR-PROF_SEGM sy-vline 
WA_BAPIEBKN_STR-PROFIT_CTR sy-vline 
WA_BAPIEBKN_STR-WBS_ELEM sy-vline 
WA_BAPIEBKN_STR-NETWORK sy-vline 
WA_BAPIEBKN_STR-ROUTING_NO sy-vline 
WA_BAPIEBKN_STR-RL_EST_KEY sy-vline 
WA_BAPIEBKN_STR-COUNTER sy-vline 
WA_BAPIEBKN_STR-PART_ACCT sy-vline 
WA_BAPIEBKN_STR-CMMT_ITEM sy-vline 
WA_BAPIEBKN_STR-REC_IND sy-vline 
WA_BAPIEBKN_STR-FUNDS_CTR sy-vline 
WA_BAPIEBKN_STR-FUND sy-vline 
WA_BAPIEBKN_STR-FUNC_AREA sy-vline 
WA_BAPIEBKN_STR-REF_DATE sy-vline 
WA_BAPIEBKN_STR-CHANGE_ID sy-vline 
WA_BAPIEBKN_STR-CURRENCY sy-vline 
WA_BAPIEBKN_STR-PREQ_UNIT sy-vline 
WA_BAPIEBKN_STR-WBS_ELEM_E sy-vline 
WA_BAPIEBKN_STR-PROJ_EXT sy-vline 
WA_BAPIEBKN_STR-ACTIVITY sy-vline 
WA_BAPIEBKN_STR-FUNC_AREA_LONG sy-vline 
WA_BAPIEBKN_STR-GRANT_NBR sy-vline 
WA_BAPIEBKN_STR-CMMT_ITEM_LONG sy-vline 
WA_BAPIEBKN_STR-RES_DOC sy-vline 
WA_BAPIEBKN_STR-RES_ITEM sy-vline 
WA_BAPIEBKN_STR-FUND_LONG sy-vline 
WA_BAPIEBKN_STR-BUDGET_PERIOD sy-vline 
WA_BAPIEBKN_STR-FMFGUS_KEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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