ABAP Select data from SAP table IBVALUE0 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IBVALUE0 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 IBVALUE0. 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 IBVALUE0 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_IBVALUE0 TYPE STANDARD TABLE OF IBVALUE0,
      WA_IBVALUE0 TYPE IBVALUE0,
      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: <IBVALUE0> TYPE IBVALUE0.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_IBVALUE0.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM IBVALUE0
  INTO TABLE IT_IBVALUE0.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IBVALUE0
*  INTO TABLE @DATA(IT_IBVALUE02).
*--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_IBVALUE0 INDEX 1 INTO DATA(WA_IBVALUE02).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_IBVALUE0 ASSIGNING <IBVALUE0>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IBVALUE0>-IN_SEGMCNT = 1.
<IBVALUE0>-SYMBOL_ID = 1.
<IBVALUE0>-ATINN = 1.
<IBVALUE0>-ATWRT = 1.
<IBVALUE0>-ATFLV = 1.

ENDLOOP.

LOOP AT IT_IBVALUE0 INTO WA_IBVALUE0.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IBVALUE0-ATFLB, sy-vline,
  WA_IBVALUE0-ATCOD, sy-vline,
  WA_IBVALUE0-ATDECV, sy-vline,
  WA_IBVALUE0-ATDECB, sy-vline,
  WA_IBVALUE0-ASSTYP, sy-vline,
  WA_IBVALUE0-ATAUT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IBVALUE0 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_IBVALUE0 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_IBVALUE0 INTO WA_IBVALUE0.


*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 ATINN, internal->external for field ATINN
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_IBVALUE0-ATINN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBVALUE0-ATINN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MSEHI_LOW
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IBVALUE0-MSEHI_LOW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBVALUE0-MSEHI_LOW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MSEHI_HIGH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IBVALUE0-MSEHI_HIGH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBVALUE0-MSEHI_HIGH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ATINN, internal->external for field ATIMB
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_IBVALUE0-ATIMB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBVALUE0-ATIMB.
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_IBVALUE0_STR, 
IN_SEGMCNT TYPE STRING,
SYMBOL_ID TYPE STRING,
ATINN TYPE STRING,
ATWRT TYPE STRING,
ATFLV TYPE STRING,
ATFLB TYPE STRING,
ATCOD TYPE STRING,
ATDECV TYPE STRING,
ATDECB TYPE STRING,
ASSTYP TYPE STRING,
ATAUT TYPE STRING,
MSEHI_LOW TYPE STRING,
MSEHI_HIGH TYPE STRING,
ATSRT TYPE STRING,
ATZIS TYPE STRING,
ATIMB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IBVALUE0_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_IBVALUE0_STR-IN_SEGMCNT sy-vline 
WA_IBVALUE0_STR-SYMBOL_ID sy-vline 
WA_IBVALUE0_STR-ATINN sy-vline 
WA_IBVALUE0_STR-ATWRT sy-vline 
WA_IBVALUE0_STR-ATFLV sy-vline 
WA_IBVALUE0_STR-ATFLB sy-vline 
WA_IBVALUE0_STR-ATCOD sy-vline 
WA_IBVALUE0_STR-ATDECV sy-vline 
WA_IBVALUE0_STR-ATDECB sy-vline 
WA_IBVALUE0_STR-ASSTYP sy-vline 
WA_IBVALUE0_STR-ATAUT sy-vline 
WA_IBVALUE0_STR-MSEHI_LOW sy-vline 
WA_IBVALUE0_STR-MSEHI_HIGH sy-vline 
WA_IBVALUE0_STR-ATSRT sy-vline 
WA_IBVALUE0_STR-ATZIS sy-vline 
WA_IBVALUE0_STR-ATIMB sy-vline      INTO ld_text SEPARATED BY SPACE.

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