ABAP Select data from SAP table IPRDPROC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPRDPROC
*  INTO TABLE @DATA(IT_IPRDPROC2).
*--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_IPRDPROC INDEX 1 INTO DATA(WA_IPRDPROC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPRDPROC>-MANDT = 1.
<IPRDPROC>-PRODUCT = 1.
<IPRDPROC>-PURCHASEORDERQUANTITYUNIT = 1.
<IPRDPROC>-VARBLPURORDUNITSTATUS = 1.
<IPRDPROC>-PURCHASINGACKNPROFILE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPRDPROC-PROCUREMENTRULE, sy-vline,
  WA_IPRDPROC-SOURCEOFSUPPLYCATEGORY, sy-vline,
  WA_IPRDPROC-PURCHASINGGROUP, sy-vline,
  WA_IPRDPROC-ISACTIVEENTITY, sy-vline,
  WA_IPRDPROC-AUTHORIZATIONGROUP, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_IPRDPROC 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_IPRDPROC 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_IPRDPROC INTO WA_IPRDPROC.


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

*Conversion exit CUNIT, internal->external for field PURCHASEORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IPRDPROC-PURCHASEORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPRDPROC-PURCHASEORDERQUANTITYUNIT.
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_IPRDPROC_STR, 
MANDT TYPE STRING,
PRODUCT TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
VARBLPURORDUNITSTATUS TYPE STRING,
PURCHASINGACKNPROFILE TYPE STRING,
PROCUREMENTRULE TYPE STRING,
SOURCEOFSUPPLYCATEGORY TYPE STRING,
PURCHASINGGROUP TYPE STRING,
ISACTIVEENTITY TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPRDPROC_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_IPRDPROC_STR-MANDT sy-vline 
WA_IPRDPROC_STR-PRODUCT sy-vline 
WA_IPRDPROC_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_IPRDPROC_STR-VARBLPURORDUNITSTATUS sy-vline 
WA_IPRDPROC_STR-PURCHASINGACKNPROFILE sy-vline 
WA_IPRDPROC_STR-PROCUREMENTRULE sy-vline 
WA_IPRDPROC_STR-SOURCEOFSUPPLYCATEGORY sy-vline 
WA_IPRDPROC_STR-PURCHASINGGROUP sy-vline 
WA_IPRDPROC_STR-ISACTIVEENTITY sy-vline 
WA_IPRDPROC_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.