ABAP Select data from SAP table BFKKCOPA_BI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BFKKCOPA_BI
*  INTO TABLE @DATA(IT_BFKKCOPA_BI2).
*--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_BFKKCOPA_BI INDEX 1 INTO DATA(WA_BFKKCOPA_BI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BFKKCOPA_BI>-LINENR_BI = 1.
<BFKKCOPA_BI>-BELNR_BI = 1.
<BFKKCOPA_BI>-LINENR_REF = 1.
<BFKKCOPA_BI>-RKE_ARTNR = 1.
<BFKKCOPA_BI>-RKE_BONUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BFKKCOPA_BI-RKE_BRSCH, sy-vline,
  WA_BFKKCOPA_BI-RKE_BUKRS, sy-vline,
  WA_BFKKCOPA_BI-RKE_BZIRK, sy-vline,
  WA_BFKKCOPA_BI-RKE_EFORM, sy-vline,
  WA_BFKKCOPA_BI-RKE_FKART, sy-vline,
  WA_BFKKCOPA_BI-RKE_GEBIE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BFKKCOPA_BI 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_BFKKCOPA_BI 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_BFKKCOPA_BI INTO WA_BFKKCOPA_BI.


*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 MATN1, internal->external for field RKE_ARTNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_BFKKCOPA_BI-RKE_ARTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BFKKCOPA_BI-RKE_ARTNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field RKE_KMHI01
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BFKKCOPA_BI-RKE_KMHI01
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BFKKCOPA_BI-RKE_KMHI01.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RKE_KMHI02
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BFKKCOPA_BI-RKE_KMHI02
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BFKKCOPA_BI-RKE_KMHI02.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RKE_KMHI03
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BFKKCOPA_BI-RKE_KMHI03
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BFKKCOPA_BI-RKE_KMHI03.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field RKE_VTKEY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BFKKCOPA_BI-RKE_VTKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BFKKCOPA_BI-RKE_VTKEY.
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_BFKKCOPA_BI_STR, 
LINENR_BI TYPE STRING,
BELNR_BI TYPE STRING,
LINENR_REF TYPE STRING,
RKE_ARTNR TYPE STRING,
RKE_BONUS TYPE STRING,
RKE_BRSCH TYPE STRING,
RKE_BUKRS TYPE STRING,
RKE_BZIRK TYPE STRING,
RKE_EFORM TYPE STRING,
RKE_FKART TYPE STRING,
RKE_GEBIE TYPE STRING,
RKE_GSBER TYPE STRING,
RKE_KAUFN TYPE STRING,
RKE_KDGRP TYPE STRING,
RKE_KDPOS TYPE STRING,
RKE_KNDNR TYPE STRING,
RKE_KOKRS TYPE STRING,
RKE_KSTRG TYPE STRING,
RKE_LAND1 TYPE STRING,
RKE_MAABC TYPE STRING,
RKE_MATKL TYPE STRING,
RKE_PRCTR TYPE STRING,
RKE_PSPNR TYPE STRING,
RKE_RKAUFNR TYPE STRING,
RKE_SPART TYPE STRING,
RKE_VKBUR TYPE STRING,
RKE_VKGRP TYPE STRING,
RKE_VKORG TYPE STRING,
RKE_VTWEG TYPE STRING,
RKE_WERKS TYPE STRING,
RKE_KMBRND TYPE STRING,
RKE_KMCATG TYPE STRING,
RKE_KMHI01 TYPE STRING,
RKE_KMHI02 TYPE STRING,
RKE_KMHI03 TYPE STRING,
RKE_KMKDGR TYPE STRING,
RKE_KMLAND TYPE STRING,
RKE_KMMAKL TYPE STRING,
RKE_KMNIEL TYPE STRING,
RKE_KMSTGE TYPE STRING,
RKE_KMVKBU TYPE STRING,
RKE_KMVKGR TYPE STRING,
RKE_KMVTNR TYPE STRING,
RKE_PPRCTR TYPE STRING,
RKE_COPA_KOSTL TYPE STRING,
RKE_FKBER TYPE STRING,
RKE_KUNRE TYPE STRING,
RKE_KUNWE TYPE STRING,
RKE_SEGMENT TYPE STRING,
RKE_SERVICE_DOC_ID TYPE STRING,
RKE_SERVICE_DOC_ITEM_ID TYPE STRING,
RKE_SERVICE_DOC_TYPE TYPE STRING,
RKE_SOLUTION_ORDER_ID TYPE STRING,
RKE_SOLUTION_ORDER_ITEM_ID TYPE STRING,
RKE_VTKEY TYPE STRING,
RKE_VTPOS TYPE STRING,
RKE_WW0RE TYPE STRING,
RKE_WW0SB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BFKKCOPA_BI_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_BFKKCOPA_BI_STR-LINENR_BI sy-vline 
WA_BFKKCOPA_BI_STR-BELNR_BI sy-vline 
WA_BFKKCOPA_BI_STR-LINENR_REF sy-vline 
WA_BFKKCOPA_BI_STR-RKE_ARTNR sy-vline 
WA_BFKKCOPA_BI_STR-RKE_BONUS sy-vline 
WA_BFKKCOPA_BI_STR-RKE_BRSCH sy-vline 
WA_BFKKCOPA_BI_STR-RKE_BUKRS sy-vline 
WA_BFKKCOPA_BI_STR-RKE_BZIRK sy-vline 
WA_BFKKCOPA_BI_STR-RKE_EFORM sy-vline 
WA_BFKKCOPA_BI_STR-RKE_FKART sy-vline 
WA_BFKKCOPA_BI_STR-RKE_GEBIE sy-vline 
WA_BFKKCOPA_BI_STR-RKE_GSBER sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KAUFN sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KDGRP sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KDPOS sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KNDNR sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KOKRS sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KSTRG sy-vline 
WA_BFKKCOPA_BI_STR-RKE_LAND1 sy-vline 
WA_BFKKCOPA_BI_STR-RKE_MAABC sy-vline 
WA_BFKKCOPA_BI_STR-RKE_MATKL sy-vline 
WA_BFKKCOPA_BI_STR-RKE_PRCTR sy-vline 
WA_BFKKCOPA_BI_STR-RKE_PSPNR sy-vline 
WA_BFKKCOPA_BI_STR-RKE_RKAUFNR sy-vline 
WA_BFKKCOPA_BI_STR-RKE_SPART sy-vline 
WA_BFKKCOPA_BI_STR-RKE_VKBUR sy-vline 
WA_BFKKCOPA_BI_STR-RKE_VKGRP sy-vline 
WA_BFKKCOPA_BI_STR-RKE_VKORG sy-vline 
WA_BFKKCOPA_BI_STR-RKE_VTWEG sy-vline 
WA_BFKKCOPA_BI_STR-RKE_WERKS sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KMBRND sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KMCATG sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KMHI01 sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KMHI02 sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KMHI03 sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KMKDGR sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KMLAND sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KMMAKL sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KMNIEL sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KMSTGE sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KMVKBU sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KMVKGR sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KMVTNR sy-vline 
WA_BFKKCOPA_BI_STR-RKE_PPRCTR sy-vline 
WA_BFKKCOPA_BI_STR-RKE_COPA_KOSTL sy-vline 
WA_BFKKCOPA_BI_STR-RKE_FKBER sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KUNRE sy-vline 
WA_BFKKCOPA_BI_STR-RKE_KUNWE sy-vline 
WA_BFKKCOPA_BI_STR-RKE_SEGMENT sy-vline 
WA_BFKKCOPA_BI_STR-RKE_SERVICE_DOC_ID sy-vline 
WA_BFKKCOPA_BI_STR-RKE_SERVICE_DOC_ITEM_ID sy-vline 
WA_BFKKCOPA_BI_STR-RKE_SERVICE_DOC_TYPE sy-vline 
WA_BFKKCOPA_BI_STR-RKE_SOLUTION_ORDER_ID sy-vline 
WA_BFKKCOPA_BI_STR-RKE_SOLUTION_ORDER_ITEM_ID sy-vline 
WA_BFKKCOPA_BI_STR-RKE_VTKEY sy-vline 
WA_BFKKCOPA_BI_STR-RKE_VTPOS sy-vline 
WA_BFKKCOPA_BI_STR-RKE_WW0RE sy-vline 
WA_BFKKCOPA_BI_STR-RKE_WW0SB sy-vline      INTO ld_text SEPARATED BY SPACE.

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