ABAP Select data from SAP table ISDSAPARTNER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISDSAPARTNER
*  INTO TABLE @DATA(IT_ISDSAPARTNER2).
*--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_ISDSAPARTNER INDEX 1 INTO DATA(WA_ISDSAPARTNER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISDSAPARTNER>-MANDT = 1.
<ISDSAPARTNER>-SALESSCHEDULINGAGREEMENT = 1.
<ISDSAPARTNER>-PARTNERFUNCTION = 1.
<ISDSAPARTNER>-CUSTOMER = 1.
<ISDSAPARTNER>-SUPPLIER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISDSAPARTNER-PERSONNEL, sy-vline,
  WA_ISDSAPARTNER-ADDRESSID, sy-vline,
  WA_ISDSAPARTNER-ADDRESSPERSONID, sy-vline,
  WA_ISDSAPARTNER-ADDRESSOBJECTTYPE, sy-vline,
  WA_ISDSAPARTNER-SDDOCPARTNERADDRESSREFTYPE, sy-vline,
  WA_ISDSAPARTNER-CONTACTPERSON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISDSAPARTNER 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_ISDSAPARTNER 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_ISDSAPARTNER INTO WA_ISDSAPARTNER.


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

*Conversion exit PARVW, internal->external for field PARTNERFUNCTION
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_ISDSAPARTNER-PARTNERFUNCTION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISDSAPARTNER-PARTNERFUNCTION.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field BPREFADDRESSIDFORDOCSPCFCADDR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISDSAPARTNER-BPREFADDRESSIDFORDOCSPCFCADDR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISDSAPARTNER-BPREFADDRESSIDFORDOCSPCFCADDR.
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_ISDSAPARTNER_STR, 
MANDT TYPE STRING,
SALESSCHEDULINGAGREEMENT TYPE STRING,
PARTNERFUNCTION TYPE STRING,
CUSTOMER TYPE STRING,
SUPPLIER TYPE STRING,
PERSONNEL TYPE STRING,
ADDRESSID TYPE STRING,
ADDRESSPERSONID TYPE STRING,
ADDRESSOBJECTTYPE TYPE STRING,
SDDOCPARTNERADDRESSREFTYPE TYPE STRING,
CONTACTPERSON TYPE STRING,
REFERENCEBUSINESSPARTNER TYPE STRING,
BPREFADDRESSIDFORDOCSPCFCADDR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISDSAPARTNER_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_ISDSAPARTNER_STR-MANDT sy-vline 
WA_ISDSAPARTNER_STR-SALESSCHEDULINGAGREEMENT sy-vline 
WA_ISDSAPARTNER_STR-PARTNERFUNCTION sy-vline 
WA_ISDSAPARTNER_STR-CUSTOMER sy-vline 
WA_ISDSAPARTNER_STR-SUPPLIER sy-vline 
WA_ISDSAPARTNER_STR-PERSONNEL sy-vline 
WA_ISDSAPARTNER_STR-ADDRESSID sy-vline 
WA_ISDSAPARTNER_STR-ADDRESSPERSONID sy-vline 
WA_ISDSAPARTNER_STR-ADDRESSOBJECTTYPE sy-vline 
WA_ISDSAPARTNER_STR-SDDOCPARTNERADDRESSREFTYPE sy-vline 
WA_ISDSAPARTNER_STR-CONTACTPERSON sy-vline 
WA_ISDSAPARTNER_STR-REFERENCEBUSINESSPARTNER sy-vline 
WA_ISDSAPARTNER_STR-BPREFADDRESSIDFORDOCSPCFCADDR sy-vline      INTO ld_text SEPARATED BY SPACE.

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