ABAP Select data from SAP table MMSRCSLBUPA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMSRCSLBUPA
*  INTO TABLE @DATA(IT_MMSRCSLBUPA2).
*--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_MMSRCSLBUPA INDEX 1 INTO DATA(WA_MMSRCSLBUPA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMSRCSLBUPA>-MANDT = 1.
<MMSRCSLBUPA>-BUSINESSPARTNERUUID = 1.
<MMSRCSLBUPA>-SUPPLIER = 1.
<MMSRCSLBUPA>-BUSINESSPARTNER = 1.
<MMSRCSLBUPA>-ADDRESSNUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMSRCSLBUPA-SUPPLIERCOUNTRYGROUP, sy-vline,
  WA_MMSRCSLBUPA-SOURCINGSUPPLIERLISTUUID, sy-vline,
  WA_MMSRCSLBUPA-SUPLRLISTSUPPLIERISMANDATORY, sy-vline,
  WA_MMSRCSLBUPA-SUPLRLISTREFERENCEOBJECTUUID, sy-vline,
  WA_MMSRCSLBUPA-SUPPLIERLISTREFERENCEOBJECT, sy-vline,
  WA_MMSRCSLBUPA-SUPLRLISTREFERENCEOBJECTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMSRCSLBUPA 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_MMSRCSLBUPA 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_MMSRCSLBUPA INTO WA_MMSRCSLBUPA.


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

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

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

*Conversion exit ALPHA, internal->external for field SUPPLIERLISTREFERENCEOBJECT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMSRCSLBUPA-SUPPLIERLISTREFERENCEOBJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMSRCSLBUPA-SUPPLIERLISTREFERENCEOBJECT.
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_MMSRCSLBUPA_STR, 
MANDT TYPE STRING,
BUSINESSPARTNERUUID TYPE STRING,
SUPPLIER TYPE STRING,
BUSINESSPARTNER TYPE STRING,
ADDRESSNUMBER TYPE STRING,
SUPPLIERCOUNTRYGROUP TYPE STRING,
SOURCINGSUPPLIERLISTUUID TYPE STRING,
SUPLRLISTSUPPLIERISMANDATORY TYPE STRING,
SUPLRLISTREFERENCEOBJECTUUID TYPE STRING,
SUPPLIERLISTREFERENCEOBJECT TYPE STRING,
SUPLRLISTREFERENCEOBJECTTYPE TYPE STRING,
SOURCESUPPLIERLISTUUID TYPE STRING,
SOURCESUPPLIERLISTTYPE TYPE STRING,
SUPLRLISTSUPPLIERADDEDBYUSER TYPE STRING,
SUPPLIERLISTUPDATETYPE TYPE STRING,
ISDELETED TYPE STRING,
SUPLRLISTSUPLRDELTNREASONTEXT TYPE STRING,
DUMMY_SRCGSUPLRLBP_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMSRCSLBUPA_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_MMSRCSLBUPA_STR-MANDT sy-vline 
WA_MMSRCSLBUPA_STR-BUSINESSPARTNERUUID sy-vline 
WA_MMSRCSLBUPA_STR-SUPPLIER sy-vline 
WA_MMSRCSLBUPA_STR-BUSINESSPARTNER sy-vline 
WA_MMSRCSLBUPA_STR-ADDRESSNUMBER sy-vline 
WA_MMSRCSLBUPA_STR-SUPPLIERCOUNTRYGROUP sy-vline 
WA_MMSRCSLBUPA_STR-SOURCINGSUPPLIERLISTUUID sy-vline 
WA_MMSRCSLBUPA_STR-SUPLRLISTSUPPLIERISMANDATORY sy-vline 
WA_MMSRCSLBUPA_STR-SUPLRLISTREFERENCEOBJECTUUID sy-vline 
WA_MMSRCSLBUPA_STR-SUPPLIERLISTREFERENCEOBJECT sy-vline 
WA_MMSRCSLBUPA_STR-SUPLRLISTREFERENCEOBJECTTYPE sy-vline 
WA_MMSRCSLBUPA_STR-SOURCESUPPLIERLISTUUID sy-vline 
WA_MMSRCSLBUPA_STR-SOURCESUPPLIERLISTTYPE sy-vline 
WA_MMSRCSLBUPA_STR-SUPLRLISTSUPPLIERADDEDBYUSER sy-vline 
WA_MMSRCSLBUPA_STR-SUPPLIERLISTUPDATETYPE sy-vline 
WA_MMSRCSLBUPA_STR-ISDELETED sy-vline 
WA_MMSRCSLBUPA_STR-SUPLRLISTSUPLRDELTNREASONTEXT sy-vline 
WA_MMSRCSLBUPA_STR-DUMMY_SRCGSUPLRLBP_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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