ABAP Select data from SAP table MMPUR_S_SRCGSLIST_BUPA_WFL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_S_SRCGSLIST_BUPA_WFL
*  INTO TABLE @DATA(IT_MMPUR_S_SRCGSLIST_BUPA_WFL2).
*--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_MMPUR_S_SRCGSLIST_BUPA_WFL INDEX 1 INTO DATA(WA_MMPUR_S_SRCGSLIST_BUPA_WFL2).


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

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

ENDLOOP.

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

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


*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_MMPUR_S_SRCGSLIST_BUPA_WFL-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_SRCGSLIST_BUPA_WFL-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field SUPPLIERLISTREFERENCEOBJECT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_SRCGSLIST_BUPA_WFL-SUPPLIERLISTREFERENCEOBJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_SRCGSLIST_BUPA_WFL-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_MMPUR_S_SRCGSLIST_BUPA_WFL_STR, 
BUSINESSPARTNERUUID TYPE STRING,
SUPPLIER TYPE STRING,
BUSINESSPARTNER TYPE STRING,
ADDRESSNUMBER TYPE STRING,
SUPPLIERCOUNTRYGROUP TYPE STRING,
SOURCINGSUPPLIERLISTUUID TYPE STRING,
SUPLRLISTSUPPLIERISMANDATORY TYPE STRING,
BUSINESSPARTNERISBLOCKED TYPE STRING,
SUPLRLISTREFERENCEOBJECTUUID TYPE STRING,
SUPPLIERLISTREFERENCEOBJECT TYPE STRING,
SUPLRLISTREFERENCEOBJECTTYPE TYPE STRING,
SUPPLIERLISTREFOBJECTLINKUUID TYPE STRING,
SUPLRLISTREFOBJECTISDRAFT TYPE STRING,
SOURCESUPPLIERLISTUUID TYPE STRING,
SOURCESUPPLIERLISTTYPE TYPE STRING,
SUPPLIERLISTUPDATETYPE TYPE STRING,
ISDELETED TYPE STRING,
ISMARKEDFORDELETION TYPE STRING,
SUPLRLISTSUPLRDELTNREASONTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_S_SRCGSLIST_BUPA_WFL_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_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-BUSINESSPARTNERUUID sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-SUPPLIER sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-BUSINESSPARTNER sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-ADDRESSNUMBER sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-SUPPLIERCOUNTRYGROUP sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-SOURCINGSUPPLIERLISTUUID sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-SUPLRLISTSUPPLIERISMANDATORY sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-BUSINESSPARTNERISBLOCKED sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-SUPLRLISTREFERENCEOBJECTUUID sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-SUPPLIERLISTREFERENCEOBJECT sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-SUPLRLISTREFERENCEOBJECTTYPE sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-SUPPLIERLISTREFOBJECTLINKUUID sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-SUPLRLISTREFOBJECTISDRAFT sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-SOURCESUPPLIERLISTUUID sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-SOURCESUPPLIERLISTTYPE sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-SUPPLIERLISTUPDATETYPE sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-ISDELETED sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-ISMARKEDFORDELETION sy-vline 
WA_MMPUR_S_SRCGSLIST_BUPA_WFL_STR-SUPLRLISTSUPLRDELTNREASONTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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