ABAP Select data from SAP table PDDPURORD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PDDPURORD
*  INTO TABLE @DATA(IT_PDDPURORD2).
*--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_PDDPURORD INDEX 1 INTO DATA(WA_PDDPURORD2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PDDPURORD-MATERIALNAME, sy-vline,
  WA_PDDPURORD-PURCHASINGDOCUMENTCATEGORY, sy-vline,
  WA_PDDPURORD-PURCHASINGDOCUMENTTYPE, sy-vline,
  WA_PDDPURORD-PURCHASINGDOCUMENTTYPENAME, sy-vline,
  WA_PDDPURORD-PURCHASINGDOCUMENTITEMCATEGORY, sy-vline,
  WA_PDDPURORD-SUPPLIER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PDDPURORD 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_PDDPURORD 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_PDDPURORD INTO WA_PDDPURORD.


*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_PDDPURORD-PURCHASINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PDDPURORD-PURCHASINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit SXIDN, internal->external for field PURCHASINGGROUPEMAILADDRESS
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_PDDPURORD-PURCHASINGGROUPEMAILADDRESS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PDDPURORD-PURCHASINGGROUPEMAILADDRESS.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field ORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PDDPURORD-ORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PDDPURORD-ORDERQUANTITYUNIT.
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_PDDPURORD_STR, 
MANDT TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
SCHEDULELINE TYPE STRING,
MATERIAL TYPE STRING,
MATERIALNAME TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
PURCHASINGDOCUMENTTYPENAME TYPE STRING,
PURCHASINGDOCUMENTITEMCATEGORY TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERMATERIALNUMBER TYPE STRING,
INVENTORYSPECIALSTOCKTYPE TYPE STRING,
MRPPLANT TYPE STRING,
SUPPLYINGPLANT TYPE STRING,
PURCHASINGINFORECORD TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGGROUPNAME TYPE STRING,
PURCHASINGGROUPPHONENUMBER TYPE STRING,
PURCHASINGGROUPEMAILADDRESS TYPE STRING,
PLANNEDDELIVERYDURATIONINDAYS TYPE STRING,
GOODSRECEIPTDURATIONINDAYS TYPE STRING,
DELIVERYDATE TYPE STRING,
PRODUCTAVAILABILITYDATE TYPE STRING,
SCHEDULELINEORDERDATE TYPE STRING,
PARTIALDELIVERYISALLOWED TYPE STRING,
PURCHASECONTRACT TYPE STRING,
PURCHASECONTRACTITEM TYPE STRING,
ORDERQUANTITYUNIT TYPE STRING,
ORDERQUANTITY TYPE STRING,
SCHEDULELINEORDERQUANTITY TYPE STRING,
ROUGHGOODSRECEIPTQTY TYPE STRING,
SCHEDULELINEOPENQUANTITY TYPE STRING,
SCHEDULELINEISSUEDQUANTITY TYPE STRING,
STOCKTRANSFERDELIVEREDQUANTITY TYPE STRING,
SCHEDULELINECOMMITTEDQUANTITY TYPE STRING,
ORDERPRICEUNITTOORDERUNITNMRTR TYPE STRING,
ORDPRICEUNITTOORDERUNITDNMNTR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PDDPURORD_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_PDDPURORD_STR-MANDT sy-vline 
WA_PDDPURORD_STR-PURCHASINGDOCUMENT sy-vline 
WA_PDDPURORD_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_PDDPURORD_STR-SCHEDULELINE sy-vline 
WA_PDDPURORD_STR-MATERIAL sy-vline 
WA_PDDPURORD_STR-MATERIALNAME sy-vline 
WA_PDDPURORD_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_PDDPURORD_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_PDDPURORD_STR-PURCHASINGDOCUMENTTYPENAME sy-vline 
WA_PDDPURORD_STR-PURCHASINGDOCUMENTITEMCATEGORY sy-vline 
WA_PDDPURORD_STR-SUPPLIER sy-vline 
WA_PDDPURORD_STR-SUPPLIERMATERIALNUMBER sy-vline 
WA_PDDPURORD_STR-INVENTORYSPECIALSTOCKTYPE sy-vline 
WA_PDDPURORD_STR-MRPPLANT sy-vline 
WA_PDDPURORD_STR-SUPPLYINGPLANT sy-vline 
WA_PDDPURORD_STR-PURCHASINGINFORECORD sy-vline 
WA_PDDPURORD_STR-PURCHASINGORGANIZATION sy-vline 
WA_PDDPURORD_STR-PURCHASINGGROUP sy-vline 
WA_PDDPURORD_STR-PURCHASINGGROUPNAME sy-vline 
WA_PDDPURORD_STR-PURCHASINGGROUPPHONENUMBER sy-vline 
WA_PDDPURORD_STR-PURCHASINGGROUPEMAILADDRESS sy-vline 
WA_PDDPURORD_STR-PLANNEDDELIVERYDURATIONINDAYS sy-vline 
WA_PDDPURORD_STR-GOODSRECEIPTDURATIONINDAYS sy-vline 
WA_PDDPURORD_STR-DELIVERYDATE sy-vline 
WA_PDDPURORD_STR-PRODUCTAVAILABILITYDATE sy-vline 
WA_PDDPURORD_STR-SCHEDULELINEORDERDATE sy-vline 
WA_PDDPURORD_STR-PARTIALDELIVERYISALLOWED sy-vline 
WA_PDDPURORD_STR-PURCHASECONTRACT sy-vline 
WA_PDDPURORD_STR-PURCHASECONTRACTITEM sy-vline 
WA_PDDPURORD_STR-ORDERQUANTITYUNIT sy-vline 
WA_PDDPURORD_STR-ORDERQUANTITY sy-vline 
WA_PDDPURORD_STR-SCHEDULELINEORDERQUANTITY sy-vline 
WA_PDDPURORD_STR-ROUGHGOODSRECEIPTQTY sy-vline 
WA_PDDPURORD_STR-SCHEDULELINEOPENQUANTITY sy-vline 
WA_PDDPURORD_STR-SCHEDULELINEISSUEDQUANTITY sy-vline 
WA_PDDPURORD_STR-STOCKTRANSFERDELIVEREDQUANTITY sy-vline 
WA_PDDPURORD_STR-SCHEDULELINECOMMITTEDQUANTITY sy-vline 
WA_PDDPURORD_STR-ORDERPRICEUNITTOORDERUNITNMRTR sy-vline 
WA_PDDPURORD_STR-ORDPRICEUNITTOORDERUNITDNMNTR sy-vline      INTO ld_text SEPARATED BY SPACE.

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