ABAP Select data from SAP table PSUPLRCONFITEMS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSUPLRCONFITEMS
*  INTO TABLE @DATA(IT_PSUPLRCONFITEMS2).
*--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_PSUPLRCONFITEMS INDEX 1 INTO DATA(WA_PSUPLRCONFITEMS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSUPLRCONFITEMS>-MANDT = 1.
<PSUPLRCONFITEMS>-PURCHASINGDOCUMENT = 1.
<PSUPLRCONFITEMS>-PURCHASINGDOCUMENTITEM = 1.
<PSUPLRCONFITEMS>-SCHEDULELINE = 1.
<PSUPLRCONFITEMS>-ACCOUNTASSIGNMENTCATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSUPLRCONFITEMS-COMPANYCODENAME, sy-vline,
  WA_PSUPLRCONFITEMS-PURCHASINGGROUP, sy-vline,
  WA_PSUPLRCONFITEMS-CONFIRMATIONCONTROL, sy-vline,
  WA_PSUPLRCONFITEMS-PURCHASINGORGANIZATION, sy-vline,
  WA_PSUPLRCONFITEMS-PURCHASINGDOCUMENTTYPE, sy-vline,
  WA_PSUPLRCONFITEMS-DOCUMENTDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSUPLRCONFITEMS 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_PSUPLRCONFITEMS 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_PSUPLRCONFITEMS INTO WA_PSUPLRCONFITEMS.


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

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

*Conversion exit MATN1, internal->external for field MATERIALNUMBER
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PSUPLRCONFITEMS-MATERIALNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSUPLRCONFITEMS-MATERIALNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ORDERUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PSUPLRCONFITEMS-ORDERUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSUPLRCONFITEMS-ORDERUNIT.
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_PSUPLRCONFITEMS_STR, 
MANDT TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
SCHEDULELINE TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
COMPANYCODENAME TYPE STRING,
PURCHASINGGROUP TYPE STRING,
CONFIRMATIONCONTROL TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
DOCUMENTDATE TYPE STRING,
DELIVDATECATEGORY TYPE STRING,
SUPPLIER TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
SUPPLIERNAME TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
ORDERQUANTITY TYPE STRING,
NETAMOUNT TYPE STRING,
PURCHASINGDOCUMENTDELETIONCODE TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASINGDOCUMENTITEMCATEGORY TYPE STRING,
MATERIALNUMBER TYPE STRING,
SHORTTEXT TYPE STRING,
PLANT TYPE STRING,
ORDERUNIT TYPE STRING,
CUMMULATIVESHEDULEQUANTITY TYPE STRING,
DELIVERYDATE TYPE STRING,
SUPPLIERCONFIRMATIONCATEGORY TYPE STRING,
ORDEREDQUANTITY TYPE STRING,
COMMITTEDQUANTITY TYPE STRING,
BALANCEQUANTITY TYPE STRING,
KEYDATE TYPE STRING,
PURCHASINGDOCUMENTSTATUS TYPE STRING,
PURCHASINGDOCUMENTSTATUSNAME TYPE STRING,
PURCHASEORDERTYPE TYPE STRING,
SUPPLIERACCOUNTGROUP TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSUPLRCONFITEMS_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_PSUPLRCONFITEMS_STR-MANDT sy-vline 
WA_PSUPLRCONFITEMS_STR-PURCHASINGDOCUMENT sy-vline 
WA_PSUPLRCONFITEMS_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_PSUPLRCONFITEMS_STR-SCHEDULELINE sy-vline 
WA_PSUPLRCONFITEMS_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_PSUPLRCONFITEMS_STR-COMPANYCODENAME sy-vline 
WA_PSUPLRCONFITEMS_STR-PURCHASINGGROUP sy-vline 
WA_PSUPLRCONFITEMS_STR-CONFIRMATIONCONTROL sy-vline 
WA_PSUPLRCONFITEMS_STR-PURCHASINGORGANIZATION sy-vline 
WA_PSUPLRCONFITEMS_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_PSUPLRCONFITEMS_STR-DOCUMENTDATE sy-vline 
WA_PSUPLRCONFITEMS_STR-DELIVDATECATEGORY sy-vline 
WA_PSUPLRCONFITEMS_STR-SUPPLIER sy-vline 
WA_PSUPLRCONFITEMS_STR-DOCUMENTCURRENCY sy-vline 
WA_PSUPLRCONFITEMS_STR-SUPPLIERNAME sy-vline 
WA_PSUPLRCONFITEMS_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_PSUPLRCONFITEMS_STR-ORDERQUANTITY sy-vline 
WA_PSUPLRCONFITEMS_STR-NETAMOUNT sy-vline 
WA_PSUPLRCONFITEMS_STR-PURCHASINGDOCUMENTDELETIONCODE sy-vline 
WA_PSUPLRCONFITEMS_STR-COMPANYCODE sy-vline 
WA_PSUPLRCONFITEMS_STR-PURCHASINGDOCUMENTITEMCATEGORY sy-vline 
WA_PSUPLRCONFITEMS_STR-MATERIALNUMBER sy-vline 
WA_PSUPLRCONFITEMS_STR-SHORTTEXT sy-vline 
WA_PSUPLRCONFITEMS_STR-PLANT sy-vline 
WA_PSUPLRCONFITEMS_STR-ORDERUNIT sy-vline 
WA_PSUPLRCONFITEMS_STR-CUMMULATIVESHEDULEQUANTITY sy-vline 
WA_PSUPLRCONFITEMS_STR-DELIVERYDATE sy-vline 
WA_PSUPLRCONFITEMS_STR-SUPPLIERCONFIRMATIONCATEGORY sy-vline 
WA_PSUPLRCONFITEMS_STR-ORDEREDQUANTITY sy-vline 
WA_PSUPLRCONFITEMS_STR-COMMITTEDQUANTITY sy-vline 
WA_PSUPLRCONFITEMS_STR-BALANCEQUANTITY sy-vline 
WA_PSUPLRCONFITEMS_STR-KEYDATE sy-vline 
WA_PSUPLRCONFITEMS_STR-PURCHASINGDOCUMENTSTATUS sy-vline 
WA_PSUPLRCONFITEMS_STR-PURCHASINGDOCUMENTSTATUSNAME sy-vline 
WA_PSUPLRCONFITEMS_STR-PURCHASEORDERTYPE sy-vline 
WA_PSUPLRCONFITEMS_STR-SUPPLIERACCOUNTGROUP sy-vline 
WA_PSUPLRCONFITEMS_STR-AUTHORIZATIONGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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