ABAP Select data from SAP table BKIP2 into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BKIP2 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 BKIP2. 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 BKIP2 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_BKIP2 TYPE STANDARD TABLE OF BKIP2,
      WA_BKIP2 TYPE BKIP2,
      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: <BKIP2> TYPE BKIP2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BKIP2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BKIP2
  INTO TABLE IT_BKIP2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BKIP2
*  INTO TABLE @DATA(IT_BKIP22).
*--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_BKIP2 INDEX 1 INTO DATA(WA_BKIP22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BKIP2 ASSIGNING <BKIP2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BKIP2>-MANDT = 1.
<BKIP2>-LEDNR = 1.
<BKIP2>-BZOBJ = 1.
<BKIP2>-KALNR = 1.
<BKIP2>-KALKA = 1.

ENDLOOP.

LOOP AT IT_BKIP2 INTO WA_BKIP2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BKIP2-KADKY, sy-vline,
  WA_BKIP2-TVERS, sy-vline,
  WA_BKIP2-BWVAR, sy-vline,
  WA_BKIP2-KKZMA, sy-vline,
  WA_BKIP2-POSNR, sy-vline,
  WA_BKIP2-PERBL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BKIP2 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_BKIP2 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_BKIP2 INTO WA_BKIP2.


*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 LEDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BKIP2-LEDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BKIP2-LEDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEEHT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BKIP2-MEEHT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BKIP2-MEEHT.
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_BKIP2_STR, 
MANDT TYPE STRING,
LEDNR TYPE STRING,
BZOBJ TYPE STRING,
KALNR TYPE STRING,
KALKA TYPE STRING,
KADKY TYPE STRING,
TVERS TYPE STRING,
BWVAR TYPE STRING,
KKZMA TYPE STRING,
POSNR TYPE STRING,
PERBL TYPE STRING,
MEEHT TYPE STRING,
PMG TYPE STRING,
PPG TYPE STRING,
PKF001 TYPE STRING,
PKF002 TYPE STRING,
PKF003 TYPE STRING,
PKF004 TYPE STRING,
PKF005 TYPE STRING,
PKF006 TYPE STRING,
PKF007 TYPE STRING,
PKF008 TYPE STRING,
PKF009 TYPE STRING,
PKF010 TYPE STRING,
PKF011 TYPE STRING,
PKF012 TYPE STRING,
PKF013 TYPE STRING,
PKF014 TYPE STRING,
PKF015 TYPE STRING,
PKF016 TYPE STRING,
PPG001 TYPE STRING,
PPG002 TYPE STRING,
PPG003 TYPE STRING,
PPG004 TYPE STRING,
PPG005 TYPE STRING,
PPG006 TYPE STRING,
PPG007 TYPE STRING,
PPG008 TYPE STRING,
PPG009 TYPE STRING,
PPG010 TYPE STRING,
PPG011 TYPE STRING,
PPG012 TYPE STRING,
PPG013 TYPE STRING,
PPG014 TYPE STRING,
PPG015 TYPE STRING,
PPG016 TYPE STRING,
PPO001 TYPE STRING,
PPO002 TYPE STRING,
PPO003 TYPE STRING,
PPO004 TYPE STRING,
PPO005 TYPE STRING,
PPO006 TYPE STRING,
PPO007 TYPE STRING,
PPO008 TYPE STRING,
PPO009 TYPE STRING,
PPO010 TYPE STRING,
PPO011 TYPE STRING,
PPO012 TYPE STRING,
PPO013 TYPE STRING,
PPO014 TYPE STRING,
PPO015 TYPE STRING,
PPO016 TYPE STRING,
PPT001 TYPE STRING,
PPT002 TYPE STRING,
PPT003 TYPE STRING,
PPT004 TYPE STRING,
PPT005 TYPE STRING,
PPT006 TYPE STRING,
PPT007 TYPE STRING,
PPT008 TYPE STRING,
PPT009 TYPE STRING,
PPT010 TYPE STRING,
PPT011 TYPE STRING,
PPT012 TYPE STRING,
PPT013 TYPE STRING,
PPT014 TYPE STRING,
PPT015 TYPE STRING,
PPT016 TYPE STRING,
PMG001 TYPE STRING,
PMG002 TYPE STRING,
PMG003 TYPE STRING,
PMG004 TYPE STRING,
PMG005 TYPE STRING,
PMG006 TYPE STRING,
PMG007 TYPE STRING,
PMG008 TYPE STRING,
PMG009 TYPE STRING,
PMG010 TYPE STRING,
PMG011 TYPE STRING,
PMG012 TYPE STRING,
PMG013 TYPE STRING,
PMG014 TYPE STRING,
PMG015 TYPE STRING,
PMG016 TYPE STRING,
FCPPG TYPE STRING,
FCPMG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BKIP2_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_BKIP2_STR-MANDT sy-vline 
WA_BKIP2_STR-LEDNR sy-vline 
WA_BKIP2_STR-BZOBJ sy-vline 
WA_BKIP2_STR-KALNR sy-vline 
WA_BKIP2_STR-KALKA sy-vline 
WA_BKIP2_STR-KADKY sy-vline 
WA_BKIP2_STR-TVERS sy-vline 
WA_BKIP2_STR-BWVAR sy-vline 
WA_BKIP2_STR-KKZMA sy-vline 
WA_BKIP2_STR-POSNR sy-vline 
WA_BKIP2_STR-PERBL sy-vline 
WA_BKIP2_STR-MEEHT sy-vline 
WA_BKIP2_STR-PMG sy-vline 
WA_BKIP2_STR-PPG sy-vline 
WA_BKIP2_STR-PKF001 sy-vline 
WA_BKIP2_STR-PKF002 sy-vline 
WA_BKIP2_STR-PKF003 sy-vline 
WA_BKIP2_STR-PKF004 sy-vline 
WA_BKIP2_STR-PKF005 sy-vline 
WA_BKIP2_STR-PKF006 sy-vline 
WA_BKIP2_STR-PKF007 sy-vline 
WA_BKIP2_STR-PKF008 sy-vline 
WA_BKIP2_STR-PKF009 sy-vline 
WA_BKIP2_STR-PKF010 sy-vline 
WA_BKIP2_STR-PKF011 sy-vline 
WA_BKIP2_STR-PKF012 sy-vline 
WA_BKIP2_STR-PKF013 sy-vline 
WA_BKIP2_STR-PKF014 sy-vline 
WA_BKIP2_STR-PKF015 sy-vline 
WA_BKIP2_STR-PKF016 sy-vline 
WA_BKIP2_STR-PPG001 sy-vline 
WA_BKIP2_STR-PPG002 sy-vline 
WA_BKIP2_STR-PPG003 sy-vline 
WA_BKIP2_STR-PPG004 sy-vline 
WA_BKIP2_STR-PPG005 sy-vline 
WA_BKIP2_STR-PPG006 sy-vline 
WA_BKIP2_STR-PPG007 sy-vline 
WA_BKIP2_STR-PPG008 sy-vline 
WA_BKIP2_STR-PPG009 sy-vline 
WA_BKIP2_STR-PPG010 sy-vline 
WA_BKIP2_STR-PPG011 sy-vline 
WA_BKIP2_STR-PPG012 sy-vline 
WA_BKIP2_STR-PPG013 sy-vline 
WA_BKIP2_STR-PPG014 sy-vline 
WA_BKIP2_STR-PPG015 sy-vline 
WA_BKIP2_STR-PPG016 sy-vline 
WA_BKIP2_STR-PPO001 sy-vline 
WA_BKIP2_STR-PPO002 sy-vline 
WA_BKIP2_STR-PPO003 sy-vline 
WA_BKIP2_STR-PPO004 sy-vline 
WA_BKIP2_STR-PPO005 sy-vline 
WA_BKIP2_STR-PPO006 sy-vline 
WA_BKIP2_STR-PPO007 sy-vline 
WA_BKIP2_STR-PPO008 sy-vline 
WA_BKIP2_STR-PPO009 sy-vline 
WA_BKIP2_STR-PPO010 sy-vline 
WA_BKIP2_STR-PPO011 sy-vline 
WA_BKIP2_STR-PPO012 sy-vline 
WA_BKIP2_STR-PPO013 sy-vline 
WA_BKIP2_STR-PPO014 sy-vline 
WA_BKIP2_STR-PPO015 sy-vline 
WA_BKIP2_STR-PPO016 sy-vline 
WA_BKIP2_STR-PPT001 sy-vline 
WA_BKIP2_STR-PPT002 sy-vline 
WA_BKIP2_STR-PPT003 sy-vline 
WA_BKIP2_STR-PPT004 sy-vline 
WA_BKIP2_STR-PPT005 sy-vline 
WA_BKIP2_STR-PPT006 sy-vline 
WA_BKIP2_STR-PPT007 sy-vline 
WA_BKIP2_STR-PPT008 sy-vline 
WA_BKIP2_STR-PPT009 sy-vline 
WA_BKIP2_STR-PPT010 sy-vline 
WA_BKIP2_STR-PPT011 sy-vline 
WA_BKIP2_STR-PPT012 sy-vline 
WA_BKIP2_STR-PPT013 sy-vline 
WA_BKIP2_STR-PPT014 sy-vline 
WA_BKIP2_STR-PPT015 sy-vline 
WA_BKIP2_STR-PPT016 sy-vline 
WA_BKIP2_STR-PMG001 sy-vline 
WA_BKIP2_STR-PMG002 sy-vline 
WA_BKIP2_STR-PMG003 sy-vline 
WA_BKIP2_STR-PMG004 sy-vline 
WA_BKIP2_STR-PMG005 sy-vline 
WA_BKIP2_STR-PMG006 sy-vline 
WA_BKIP2_STR-PMG007 sy-vline 
WA_BKIP2_STR-PMG008 sy-vline 
WA_BKIP2_STR-PMG009 sy-vline 
WA_BKIP2_STR-PMG010 sy-vline 
WA_BKIP2_STR-PMG011 sy-vline 
WA_BKIP2_STR-PMG012 sy-vline 
WA_BKIP2_STR-PMG013 sy-vline 
WA_BKIP2_STR-PMG014 sy-vline 
WA_BKIP2_STR-PMG015 sy-vline 
WA_BKIP2_STR-PMG016 sy-vline 
WA_BKIP2_STR-FCPPG sy-vline 
WA_BKIP2_STR-FCPMG sy-vline      INTO ld_text SEPARATED BY SPACE.

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