ABAP Select data from SAP table BAPI_SHELF_INDEX into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPI_SHELF_INDEX 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_SHELF_INDEX. 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_SHELF_INDEX 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_SHELF_INDEX TYPE STANDARD TABLE OF BAPI_SHELF_INDEX,
      WA_BAPI_SHELF_INDEX TYPE BAPI_SHELF_INDEX,
      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_SHELF_INDEX> TYPE BAPI_SHELF_INDEX.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_SHELF_INDEX
*  INTO TABLE @DATA(IT_BAPI_SHELF_INDEX2).
*--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_SHELF_INDEX INDEX 1 INTO DATA(WA_BAPI_SHELF_INDEX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_SHELF_INDEX>-MATERIAL = 1.
<BAPI_SHELF_INDEX>-MATL_DESC = 1.
<BAPI_SHELF_INDEX>-UNIT = 1.
<BAPI_SHELF_INDEX>-UNIT_ISO = 1.
<BAPI_SHELF_INDEX>-EVALUATION_INDEX = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_SHELF_INDEX-ALIEN_CATEGORY, sy-vline,
  WA_BAPI_SHELF_INDEX-EAN_UPC, sy-vline,
  WA_BAPI_SHELF_INDEX-MATL_CAT, sy-vline,
  WA_BAPI_SHELF_INDEX-MATL_GROUP, sy-vline,
  WA_BAPI_SHELF_INDEX-HEIGHT, sy-vline,
  WA_BAPI_SHELF_INDEX-WIDTH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_SHELF_INDEX 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_SHELF_INDEX 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_SHELF_INDEX INTO WA_BAPI_SHELF_INDEX.


*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 MATN5, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN5_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_SHELF_INDEX-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_SHELF_INDEX-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit EAN11, internal->external for field EAN_UPC
CALL FUNCTION 'CONVERSION_EXIT_EAN11_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_SHELF_INDEX-EAN_UPC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_SHELF_INDEX-EAN_UPC.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit WLMV, internal->external for field LAYMOD_VER
CALL FUNCTION 'CONVERSION_EXIT_WLMV_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_SHELF_INDEX-LAYMOD_VER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_SHELF_INDEX-LAYMOD_VER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATNL, internal->external for field MATERIAL_EXTERNAL
CALL FUNCTION 'CONVERSION_EXIT_MATNL_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_SHELF_INDEX-MATERIAL_EXTERNAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_SHELF_INDEX-MATERIAL_EXTERNAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATNW, internal->external for field MATERIAL_VERSION
CALL FUNCTION 'CONVERSION_EXIT_MATNW_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_SHELF_INDEX-MATERIAL_VERSION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_SHELF_INDEX-MATERIAL_VERSION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL_LONG
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_SHELF_INDEX-MATERIAL_LONG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_SHELF_INDEX-MATERIAL_LONG.
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_SHELF_INDEX_STR, 
MATERIAL TYPE STRING,
MATL_DESC TYPE STRING,
UNIT TYPE STRING,
UNIT_ISO TYPE STRING,
EVALUATION_INDEX TYPE STRING,
ALIEN_CATEGORY TYPE STRING,
EAN_UPC TYPE STRING,
MATL_CAT TYPE STRING,
MATL_GROUP TYPE STRING,
HEIGHT TYPE STRING,
WIDTH TYPE STRING,
LENGTH TYPE STRING,
UNIT_DIM TYPE STRING,
UNIT_DIM_ISO TYPE STRING,
LAYMOD_NUM TYPE STRING,
LAYOUT_MOD TYPE STRING,
LAYMOD_VER TYPE STRING,
LAYMOD_VAR TYPE STRING,
EXCLUSION TYPE STRING,
SORT_SEQ TYPE STRING,
SHELF_BOARD_NUMBER TYPE STRING,
FACING TYPE STRING,
FRONT TYPE STRING,
SHELF_QUANTITY_MAX TYPE STRING,
SHELF_QUANTITY_OPT TYPE STRING,
PRES_QNT TYPE STRING,
MATERIAL_EXTERNAL TYPE STRING,
MATERIAL_GUID TYPE STRING,
MATERIAL_VERSION TYPE STRING,
MATERIAL_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_SHELF_INDEX_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_SHELF_INDEX_STR-MATERIAL sy-vline 
WA_BAPI_SHELF_INDEX_STR-MATL_DESC sy-vline 
WA_BAPI_SHELF_INDEX_STR-UNIT sy-vline 
WA_BAPI_SHELF_INDEX_STR-UNIT_ISO sy-vline 
WA_BAPI_SHELF_INDEX_STR-EVALUATION_INDEX sy-vline 
WA_BAPI_SHELF_INDEX_STR-ALIEN_CATEGORY sy-vline 
WA_BAPI_SHELF_INDEX_STR-EAN_UPC sy-vline 
WA_BAPI_SHELF_INDEX_STR-MATL_CAT sy-vline 
WA_BAPI_SHELF_INDEX_STR-MATL_GROUP sy-vline 
WA_BAPI_SHELF_INDEX_STR-HEIGHT sy-vline 
WA_BAPI_SHELF_INDEX_STR-WIDTH sy-vline 
WA_BAPI_SHELF_INDEX_STR-LENGTH sy-vline 
WA_BAPI_SHELF_INDEX_STR-UNIT_DIM sy-vline 
WA_BAPI_SHELF_INDEX_STR-UNIT_DIM_ISO sy-vline 
WA_BAPI_SHELF_INDEX_STR-LAYMOD_NUM sy-vline 
WA_BAPI_SHELF_INDEX_STR-LAYOUT_MOD sy-vline 
WA_BAPI_SHELF_INDEX_STR-LAYMOD_VER sy-vline 
WA_BAPI_SHELF_INDEX_STR-LAYMOD_VAR sy-vline 
WA_BAPI_SHELF_INDEX_STR-EXCLUSION sy-vline 
WA_BAPI_SHELF_INDEX_STR-SORT_SEQ sy-vline 
WA_BAPI_SHELF_INDEX_STR-SHELF_BOARD_NUMBER sy-vline 
WA_BAPI_SHELF_INDEX_STR-FACING sy-vline 
WA_BAPI_SHELF_INDEX_STR-FRONT sy-vline 
WA_BAPI_SHELF_INDEX_STR-SHELF_QUANTITY_MAX sy-vline 
WA_BAPI_SHELF_INDEX_STR-SHELF_QUANTITY_OPT sy-vline 
WA_BAPI_SHELF_INDEX_STR-PRES_QNT sy-vline 
WA_BAPI_SHELF_INDEX_STR-MATERIAL_EXTERNAL sy-vline 
WA_BAPI_SHELF_INDEX_STR-MATERIAL_GUID sy-vline 
WA_BAPI_SHELF_INDEX_STR-MATERIAL_VERSION sy-vline 
WA_BAPI_SHELF_INDEX_STR-MATERIAL_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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