ABAP Select data from SAP table ISPURCTRPARTNERSWITHDRAFT2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISPURCTRPARTNERSWITHDRAFT2 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 ISPURCTRPARTNERSWITHDRAFT2. 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 ISPURCTRPARTNERSWITHDRAFT2 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_ISPURCTRPARTNERSWITHDRAFT2 TYPE STANDARD TABLE OF ISPURCTRPARTNERSWITHDRAFT2,
      WA_ISPURCTRPARTNERSWITHDRAFT2 TYPE ISPURCTRPARTNERSWITHDRAFT2,
      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: <ISPURCTRPARTNERSWITHDRAFT2> TYPE ISPURCTRPARTNERSWITHDRAFT2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ISPURCTRPARTNERSWITHDRAFT2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ISPURCTRPARTNERSWITHDRAFT2
  INTO TABLE IT_ISPURCTRPARTNERSWITHDRAFT2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISPURCTRPARTNERSWITHDRAFT2
*  INTO TABLE @DATA(IT_ISPURCTRPARTNERSWITHDRAFT22).
*--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_ISPURCTRPARTNERSWITHDRAFT2 INDEX 1 INTO DATA(WA_ISPURCTRPARTNERSWITHDRAFT22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ISPURCTRPARTNERSWITHDRAFT2 ASSIGNING <ISPURCTRPARTNERSWITHDRAFT2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISPURCTRPARTNERSWITHDRAFT2>-KEY = 1.
<ISPURCTRPARTNERSWITHDRAFT2>-PARENT_KEY = 1.
<ISPURCTRPARTNERSWITHDRAFT2>-ROOT_KEY = 1.
<ISPURCTRPARTNERSWITHDRAFT2>-PURCHASECONTRACT = 1.
<ISPURCTRPARTNERSWITHDRAFT2>-PURCHASECONTRACTITEM = 1.

ENDLOOP.

LOOP AT IT_ISPURCTRPARTNERSWITHDRAFT2 INTO WA_ISPURCTRPARTNERSWITHDRAFT2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISPURCTRPARTNERSWITHDRAFT2-PURCHASINGORGANIZATION, sy-vline,
  WA_ISPURCTRPARTNERSWITHDRAFT2-SUPPLIERSUBRANGE, sy-vline,
  WA_ISPURCTRPARTNERSWITHDRAFT2-PLANT, sy-vline,
  WA_ISPURCTRPARTNERSWITHDRAFT2-PARTNERFUNCTION, sy-vline,
  WA_ISPURCTRPARTNERSWITHDRAFT2-PARTNERCOUNTER, sy-vline,
  WA_ISPURCTRPARTNERSWITHDRAFT2-PURCHASINGORGANIZATIONFOREDIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISPURCTRPARTNERSWITHDRAFT2 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_ISPURCTRPARTNERSWITHDRAFT2 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_ISPURCTRPARTNERSWITHDRAFT2 INTO WA_ISPURCTRPARTNERSWITHDRAFT2.


*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 PURCHASECONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISPURCTRPARTNERSWITHDRAFT2-PURCHASECONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPURCTRPARTNERSWITHDRAFT2-PURCHASECONTRACT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PARVW, internal->external for field PARTNERFUNCTION
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_ISPURCTRPARTNERSWITHDRAFT2-PARTNERFUNCTION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPURCTRPARTNERSWITHDRAFT2-PARTNERFUNCTION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PARVW, internal->external for field PARTNERFUNCTIONFOREDIT
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_ISPURCTRPARTNERSWITHDRAFT2-PARTNERFUNCTIONFOREDIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPURCTRPARTNERSWITHDRAFT2-PARTNERFUNCTIONFOREDIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISPURCTRPARTNERSWITHDRAFT2-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPURCTRPARTNERSWITHDRAFT2-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASINGDOCUMENTPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISPURCTRPARTNERSWITHDRAFT2-PURCHASINGDOCUMENTPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPURCTRPARTNERSWITHDRAFT2-PURCHASINGDOCUMENTPARTNER.
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_ISPURCTRPARTNERSWITHDRAFT2_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
PURCHASECONTRACT TYPE STRING,
PURCHASECONTRACTITEM TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
SUPPLIERSUBRANGE TYPE STRING,
PLANT TYPE STRING,
PARTNERFUNCTION TYPE STRING,
PARTNERCOUNTER TYPE STRING,
PURCHASINGORGANIZATIONFOREDIT TYPE STRING,
SUPPLIERSUBRANGEFOREDIT TYPE STRING,
PLANTFOREDIT TYPE STRING,
PARTNERFUNCTIONFOREDIT TYPE STRING,
PARTNERCOUNTERFOREDIT TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
PURCHASECONTRACTTYPE TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
PURCHASINGDOCUMENTPARTNERTYPE TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERCONTACT TYPE STRING,
EMPLOYMENTINTERNALID TYPE STRING,
DEFAULTPARTNER TYPE STRING,
PURCHASINGDOCUMENTPARTNER TYPE STRING,
PURCHASINGDOCUMENTPARTNERNAME TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISPURCTRPARTNERSWITHDRAFT2_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_ISPURCTRPARTNERSWITHDRAFT2_STR-KEY sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-PARENT_KEY sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-ROOT_KEY sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-PURCHASECONTRACT sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-PURCHASECONTRACTITEM sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-PURCHASINGORGANIZATION sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-SUPPLIERSUBRANGE sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-PLANT sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-PARTNERFUNCTION sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-PARTNERCOUNTER sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-PURCHASINGORGANIZATIONFOREDIT sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-SUPPLIERSUBRANGEFOREDIT sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-PLANTFOREDIT sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-PARTNERFUNCTIONFOREDIT sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-PARTNERCOUNTERFOREDIT sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-PURCHASECONTRACTTYPE sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-CREATEDBYUSER sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-CREATIONDATE sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-PURCHASINGDOCUMENTPARTNERTYPE sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-SUPPLIER sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-SUPPLIERCONTACT sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-EMPLOYMENTINTERNALID sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-DEFAULTPARTNER sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-PURCHASINGDOCUMENTPARTNER sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-PURCHASINGDOCUMENTPARTNERNAME sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-HASACTIVEENTITY sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISPURCTRPARTNERSWITHDRAFT2_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.