ABAP Select data from SAP table CPURORDITEMENH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPURORDITEMENH
*  INTO TABLE @DATA(IT_CPURORDITEMENH2).
*--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_CPURORDITEMENH INDEX 1 INTO DATA(WA_CPURORDITEMENH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPURORDITEMENH>-MANDT = 1.
<CPURORDITEMENH>-PURCHASEORDER = 1.
<CPURORDITEMENH>-PURCHASEORDERITEM = 1.
<CPURORDITEMENH>-PURCHASEORDERITEMCATEGORY = 1.
<CPURORDITEMENH>-MATERIAL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPURORDITEMENH-MANUFACTURERMATERIAL, sy-vline,
  WA_CPURORDITEMENH-MATERIALGROUP, sy-vline,
  WA_CPURORDITEMENH-PLANT, sy-vline,
  WA_CPURORDITEMENH-ACCOUNTASSIGNMENTCATEGORY, sy-vline,
  WA_CPURORDITEMENH-PURCHASEORDERITEMTEXT, sy-vline,
  WA_CPURORDITEMENH-PURCHASEREQUISITION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPURORDITEMENH 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_CPURORDITEMENH 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_CPURORDITEMENH INTO WA_CPURORDITEMENH.


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

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

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

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

*Conversion exit CUNIT, internal->external for field PURCHASEORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CPURORDITEMENH-PURCHASEORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPURORDITEMENH-PURCHASEORDERQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PURCHASEORDERPRICEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CPURORDITEMENH-PURCHASEORDERPRICEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPURORDITEMENH-PURCHASEORDERPRICEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ORDERPRICEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CPURORDITEMENH-ORDERPRICEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPURORDITEMENH-ORDERPRICEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SERVICEPERFORMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPURORDITEMENH-SERVICEPERFORMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPURORDITEMENH-SERVICEPERFORMER.
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_CPURORDITEMENH_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
PURCHASEORDERITEMCATEGORY TYPE STRING,
MATERIAL TYPE STRING,
MANUFACTURERMATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
PLANT TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
PURCHASEORDERITEMTEXT TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
PRODUCTTYPE TYPE STRING,
FIRSTDELIVERYDATE TYPE STRING,
ORDERQUANTITY TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
PURCHASEORDERPRICEUNIT TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
ORDERPRICEUNIT TYPE STRING,
PURCHASEORDERNETPRICEQUANTITY TYPE STRING,
NETAMOUNT TYPE STRING,
PURCHASINGDOCUMENTDELETIONCODE TYPE STRING,
SERVICEPERFORMER TYPE STRING,
PERFORMANCEPERIODSTARTDATE TYPE STRING,
PERFORMANCEPERIODENDDATE TYPE STRING,
PURCHASEORDERITEMSTATUS TYPE STRING,
PURCHASEORDERTYPE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
SUPPLIERCONFIRMATIONCONTROLKEY TYPE STRING,
PURGDOCORDERACKNNUMBER TYPE STRING,
ISORDERACKNRQD TYPE STRING,
ITEMISREJECTEDBYSUPPLIER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPURORDITEMENH_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_CPURORDITEMENH_STR-MANDT sy-vline 
WA_CPURORDITEMENH_STR-PURCHASEORDER sy-vline 
WA_CPURORDITEMENH_STR-PURCHASEORDERITEM sy-vline 
WA_CPURORDITEMENH_STR-PURCHASEORDERITEMCATEGORY sy-vline 
WA_CPURORDITEMENH_STR-MATERIAL sy-vline 
WA_CPURORDITEMENH_STR-MANUFACTURERMATERIAL sy-vline 
WA_CPURORDITEMENH_STR-MATERIALGROUP sy-vline 
WA_CPURORDITEMENH_STR-PLANT sy-vline 
WA_CPURORDITEMENH_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_CPURORDITEMENH_STR-PURCHASEORDERITEMTEXT sy-vline 
WA_CPURORDITEMENH_STR-PURCHASEREQUISITION sy-vline 
WA_CPURORDITEMENH_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_CPURORDITEMENH_STR-PRODUCTTYPE sy-vline 
WA_CPURORDITEMENH_STR-FIRSTDELIVERYDATE sy-vline 
WA_CPURORDITEMENH_STR-ORDERQUANTITY sy-vline 
WA_CPURORDITEMENH_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_CPURORDITEMENH_STR-DOCUMENTCURRENCY sy-vline 
WA_CPURORDITEMENH_STR-PURCHASEORDERPRICEUNIT sy-vline 
WA_CPURORDITEMENH_STR-NETPRICEAMOUNT sy-vline 
WA_CPURORDITEMENH_STR-ORDERPRICEUNIT sy-vline 
WA_CPURORDITEMENH_STR-PURCHASEORDERNETPRICEQUANTITY sy-vline 
WA_CPURORDITEMENH_STR-NETAMOUNT sy-vline 
WA_CPURORDITEMENH_STR-PURCHASINGDOCUMENTDELETIONCODE sy-vline 
WA_CPURORDITEMENH_STR-SERVICEPERFORMER sy-vline 
WA_CPURORDITEMENH_STR-PERFORMANCEPERIODSTARTDATE sy-vline 
WA_CPURORDITEMENH_STR-PERFORMANCEPERIODENDDATE sy-vline 
WA_CPURORDITEMENH_STR-PURCHASEORDERITEMSTATUS sy-vline 
WA_CPURORDITEMENH_STR-PURCHASEORDERTYPE sy-vline 
WA_CPURORDITEMENH_STR-PURCHASINGORGANIZATION sy-vline 
WA_CPURORDITEMENH_STR-PURCHASINGGROUP sy-vline 
WA_CPURORDITEMENH_STR-SUPPLIERCONFIRMATIONCONTROLKEY sy-vline 
WA_CPURORDITEMENH_STR-PURGDOCORDERACKNNUMBER sy-vline 
WA_CPURORDITEMENH_STR-ISORDERACKNRQD sy-vline 
WA_CPURORDITEMENH_STR-ITEMISREJECTEDBYSUPPLIER sy-vline      INTO ld_text SEPARATED BY SPACE.

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