ABAP Select data from SAP table BAPI10001MATKEYX into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPI10001MATKEYX 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 BAPI10001MATKEYX. 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 BAPI10001MATKEYX 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_BAPI10001MATKEYX TYPE STANDARD TABLE OF BAPI10001MATKEYX,
      WA_BAPI10001MATKEYX TYPE BAPI10001MATKEYX,
      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: <BAPI10001MATKEYX> TYPE BAPI10001MATKEYX.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPI10001MATKEYX.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPI10001MATKEYX
  INTO TABLE IT_BAPI10001MATKEYX.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI10001MATKEYX
*  INTO TABLE @DATA(IT_BAPI10001MATKEYX2).
*--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_BAPI10001MATKEYX INDEX 1 INTO DATA(WA_BAPI10001MATKEYX2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPI10001MATKEYX ASSIGNING <BAPI10001MATKEYX>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI10001MATKEYX>-PRODUCT = 1.
<BAPI10001MATKEYX>-BASE_UOM = 1.
<BAPI10001MATKEYX>-BASE_UOM_ISO = 1.
<BAPI10001MATKEYX>-LOW_LEVEL_CODE = 1.
<BAPI10001MATKEYX>-GROSS_WEIGHT = 1.

ENDLOOP.

LOOP AT IT_BAPI10001MATKEYX INTO WA_BAPI10001MATKEYX.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI10001MATKEYX-WEIGHT_UOM, sy-vline,
  WA_BAPI10001MATKEYX-WEIGHT_UOM_ISO, sy-vline,
  WA_BAPI10001MATKEYX-VOLUME, sy-vline,
  WA_BAPI10001MATKEYX-VOLUME_UOM, sy-vline,
  WA_BAPI10001MATKEYX-VOLUME_UOM_ISO, sy-vline,
  WA_BAPI10001MATKEYX-ALLOC_PROC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI10001MATKEYX 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_BAPI10001MATKEYX 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_BAPI10001MATKEYX INTO WA_BAPI10001MATKEYX.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_BAPI10001MATKEYX_STR, 
PRODUCT TYPE STRING,
BASE_UOM TYPE STRING,
BASE_UOM_ISO TYPE STRING,
LOW_LEVEL_CODE TYPE STRING,
GROSS_WEIGHT TYPE STRING,
WEIGHT_UOM TYPE STRING,
WEIGHT_UOM_ISO TYPE STRING,
VOLUME TYPE STRING,
VOLUME_UOM TYPE STRING,
VOLUME_UOM_ISO TYPE STRING,
ALLOC_PROC TYPE STRING,
COMPL_LVL TYPE STRING,
MAT_GROUP TYPE STRING,
STACKING_FACTOR TYPE STRING,
SEQUENCE_ALLOC_PROC TYPE STRING,
PROD_NUMBER_LONG TYPE STRING,
PRODUCT_VERSION TYPE STRING,
TRANSPORT_GROUP TYPE STRING,
EXT_REF_PRODUCT_NUMBER TYPE STRING,
SHELF_LIFE_FLG TYPE STRING,
SHELF_LIFE_DUR TYPE STRING,
MATURITY_DUR TYPE STRING,
SHELF_LIFE_REQ_MIN TYPE STRING,
SHELF_LIFE_REQ_MAX TYPE STRING,
ATTRIBUTE01 TYPE STRING,
ATTRIBUTE02 TYPE STRING,
ATTRIBUTE03 TYPE STRING,
ATTRIBUTE04 TYPE STRING,
ATTRIBUTE05 TYPE STRING,
PRD_VERS TYPE STRING,
PRD_VERS_HEAD TYPE STRING,
PRD_VERS_TYPE TYPE STRING,
PRD_VERS_CHNR TYPE STRING,
TS_SDP_USE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI10001MATKEYX_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_BAPI10001MATKEYX_STR-PRODUCT sy-vline 
WA_BAPI10001MATKEYX_STR-BASE_UOM sy-vline 
WA_BAPI10001MATKEYX_STR-BASE_UOM_ISO sy-vline 
WA_BAPI10001MATKEYX_STR-LOW_LEVEL_CODE sy-vline 
WA_BAPI10001MATKEYX_STR-GROSS_WEIGHT sy-vline 
WA_BAPI10001MATKEYX_STR-WEIGHT_UOM sy-vline 
WA_BAPI10001MATKEYX_STR-WEIGHT_UOM_ISO sy-vline 
WA_BAPI10001MATKEYX_STR-VOLUME sy-vline 
WA_BAPI10001MATKEYX_STR-VOLUME_UOM sy-vline 
WA_BAPI10001MATKEYX_STR-VOLUME_UOM_ISO sy-vline 
WA_BAPI10001MATKEYX_STR-ALLOC_PROC sy-vline 
WA_BAPI10001MATKEYX_STR-COMPL_LVL sy-vline 
WA_BAPI10001MATKEYX_STR-MAT_GROUP sy-vline 
WA_BAPI10001MATKEYX_STR-STACKING_FACTOR sy-vline 
WA_BAPI10001MATKEYX_STR-SEQUENCE_ALLOC_PROC sy-vline 
WA_BAPI10001MATKEYX_STR-PROD_NUMBER_LONG sy-vline 
WA_BAPI10001MATKEYX_STR-PRODUCT_VERSION sy-vline 
WA_BAPI10001MATKEYX_STR-TRANSPORT_GROUP sy-vline 
WA_BAPI10001MATKEYX_STR-EXT_REF_PRODUCT_NUMBER sy-vline 
WA_BAPI10001MATKEYX_STR-SHELF_LIFE_FLG sy-vline 
WA_BAPI10001MATKEYX_STR-SHELF_LIFE_DUR sy-vline 
WA_BAPI10001MATKEYX_STR-MATURITY_DUR sy-vline 
WA_BAPI10001MATKEYX_STR-SHELF_LIFE_REQ_MIN sy-vline 
WA_BAPI10001MATKEYX_STR-SHELF_LIFE_REQ_MAX sy-vline 
WA_BAPI10001MATKEYX_STR-ATTRIBUTE01 sy-vline 
WA_BAPI10001MATKEYX_STR-ATTRIBUTE02 sy-vline 
WA_BAPI10001MATKEYX_STR-ATTRIBUTE03 sy-vline 
WA_BAPI10001MATKEYX_STR-ATTRIBUTE04 sy-vline 
WA_BAPI10001MATKEYX_STR-ATTRIBUTE05 sy-vline 
WA_BAPI10001MATKEYX_STR-PRD_VERS sy-vline 
WA_BAPI10001MATKEYX_STR-PRD_VERS_HEAD sy-vline 
WA_BAPI10001MATKEYX_STR-PRD_VERS_TYPE sy-vline 
WA_BAPI10001MATKEYX_STR-PRD_VERS_CHNR sy-vline 
WA_BAPI10001MATKEYX_STR-TS_SDP_USE sy-vline      INTO ld_text SEPARATED BY SPACE.

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