ABAP Select data from SAP table ISSUPLRLISTPROPOSEDSUPPLIERTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISSUPLRLISTPROPOSEDSUPPLIERTP
*  INTO TABLE @DATA(IT_ISSUPLRLISTPROPOSEDSUPPLIERTP2).
*--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_ISSUPLRLISTPROPOSEDSUPPLIERTP INDEX 1 INTO DATA(WA_ISSUPLRLISTPROPOSEDSUPPLIERTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISSUPLRLISTPROPOSEDSUPPLIERTP>-KEY = 1.
<ISSUPLRLISTPROPOSEDSUPPLIERTP>-PARENT_KEY = 1.
<ISSUPLRLISTPROPOSEDSUPPLIERTP>-ROOT_KEY = 1.
<ISSUPLRLISTPROPOSEDSUPPLIERTP>-BUSINESSPARTNER = 1.
<ISSUPLRLISTPROPOSEDSUPPLIERTP>-SUPPLIER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISSUPLRLISTPROPOSEDSUPPLIERTP-BUSINESSPARTNERISBLOCKED, sy-vline,
  WA_ISSUPLRLISTPROPOSEDSUPPLIERTP-ADDRESSNUMBER, sy-vline,
  WA_ISSUPLRLISTPROPOSEDSUPPLIERTP-SUPPLIERCOUNTRYGROUP, sy-vline,
  WA_ISSUPLRLISTPROPOSEDSUPPLIERTP-SUPLRLISTSUPLRPROPOSEDDATETIME, sy-vline,
  WA_ISSUPLRLISTPROPOSEDSUPPLIERTP-SUPLRLISTSUPPLIERPROPOSALTEXT, sy-vline,
  WA_ISSUPLRLISTPROPOSEDSUPPLIERTP-SUPPLIERPROPOSEDBYUSER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISSUPLRLISTPROPOSEDSUPPLIERTP 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_ISSUPLRLISTPROPOSEDSUPPLIERTP 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_ISSUPLRLISTPROPOSEDSUPPLIERTP INTO WA_ISSUPLRLISTPROPOSEDSUPPLIERTP.


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

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

*Conversion exit ALPHA, internal->external for field ADDRESSNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISSUPLRLISTPROPOSEDSUPPLIERTP-ADDRESSNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISSUPLRLISTPROPOSEDSUPPLIERTP-ADDRESSNUMBER.
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_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
BUSINESSPARTNER TYPE STRING,
SUPPLIER TYPE STRING,
BUSINESSPARTNERISBLOCKED TYPE STRING,
ADDRESSNUMBER TYPE STRING,
SUPPLIERCOUNTRYGROUP TYPE STRING,
SUPLRLISTSUPLRPROPOSEDDATETIME TYPE STRING,
SUPLRLISTSUPPLIERPROPOSALTEXT TYPE STRING,
SUPPLIERPROPOSEDBYUSER TYPE STRING,
SUPLRLISTSUPPLIERAPPROVALTEXT TYPE STRING,
SUPLRLISTSUPLRPROPOSALSTATUS TYPE STRING,
ISDELETED TYPE STRING,
SUPLRLISTSUPLRPROPOSALACTION TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
DUMMY_SUPLRLBPPROP_INCL_EEW_PS TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_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_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-KEY sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-PARENT_KEY sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-ROOT_KEY sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-BUSINESSPARTNER sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-SUPPLIER sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-BUSINESSPARTNERISBLOCKED sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-ADDRESSNUMBER sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-SUPPLIERCOUNTRYGROUP sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-SUPLRLISTSUPLRPROPOSEDDATETIME sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-SUPLRLISTSUPPLIERPROPOSALTEXT sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-SUPPLIERPROPOSEDBYUSER sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-SUPLRLISTSUPPLIERAPPROVALTEXT sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-SUPLRLISTSUPLRPROPOSALSTATUS sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-ISDELETED sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-SUPLRLISTSUPLRPROPOSALACTION sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-ACTIVEUUID sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-HASACTIVEENTITY sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-DUMMY_SUPLRLBPPROP_INCL_EEW_PS sy-vline 
WA_ISSUPLRLISTPROPOSEDSUPPLIERTP_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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