ABAP Select data from SAP table /CPD/S_SC_ENGPROJPURCHASEODR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /CPD/S_SC_ENGPROJPURCHASEODR 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 /CPD/S_SC_ENGPROJPURCHASEODR. 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 /CPD/S_SC_ENGPROJPURCHASEODR 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_/CPD/S_SC_ENGPROJPURCHASEODR TYPE STANDARD TABLE OF /CPD/S_SC_ENGPROJPURCHASEODR,
      WA_/CPD/S_SC_ENGPROJPURCHASEODR TYPE /CPD/S_SC_ENGPROJPURCHASEODR,
      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: </CPD/S_SC_ENGPROJPURCHASEODR> TYPE /CPD/S_SC_ENGPROJPURCHASEODR.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /CPD/S_SC_ENGPROJPURCHASEODR
  INTO TABLE IT_/CPD/S_SC_ENGPROJPURCHASEODR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /CPD/S_SC_ENGPROJPURCHASEODR
*  INTO TABLE @DATA(IT_/CPD/S_SC_ENGPROJPURCHASEODR2).
*--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_/CPD/S_SC_ENGPROJPURCHASEODR INDEX 1 INTO DATA(WA_/CPD/S_SC_ENGPROJPURCHASEODR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/CPD/S_SC_ENGPROJPURCHASEODR ASSIGNING </CPD/S_SC_ENGPROJPURCHASEODR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</CPD/S_SC_ENGPROJPURCHASEODR>-ENGAGEMENTPROJECT = 1.
</CPD/S_SC_ENGPROJPURCHASEODR>-PURCHASE_ORDER_STATUSNAME = 1.
</CPD/S_SC_ENGPROJPURCHASEODR>-LAST_CHANGED_ON = 1.
</CPD/S_SC_ENGPROJPURCHASEODR>-PO_CREATION_DATE = 1.
</CPD/S_SC_ENGPROJPURCHASEODR>-PO_POITEM = 1.

ENDLOOP.

LOOP AT IT_/CPD/S_SC_ENGPROJPURCHASEODR INTO WA_/CPD/S_SC_ENGPROJPURCHASEODR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/CPD/S_SC_ENGPROJPURCHASEODR-BUSINESSPARTNERNAME, sy-vline,
  WA_/CPD/S_SC_ENGPROJPURCHASEODR-SUPPLIERNAME, sy-vline,
  WA_/CPD/S_SC_ENGPROJPURCHASEODR-MANDT, sy-vline,
  WA_/CPD/S_SC_ENGPROJPURCHASEODR-WORKPACKAGEUUID, sy-vline,
  WA_/CPD/S_SC_ENGPROJPURCHASEODR-WORKPACKAGE, sy-vline,
  WA_/CPD/S_SC_ENGPROJPURCHASEODR-ENGAGEMENTPROJFINPLANUUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/CPD/S_SC_ENGPROJPURCHASEODR 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_/CPD/S_SC_ENGPROJPURCHASEODR 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_/CPD/S_SC_ENGPROJPURCHASEODR INTO WA_/CPD/S_SC_ENGPROJPURCHASEODR.


*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 TSTLC, internal->external for field LAST_CHANGED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/CPD/S_SC_ENGPROJPURCHASEODR-LAST_CHANGED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CPD/S_SC_ENGPROJPURCHASEODR-LAST_CHANGED_ON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field WBSELEMENTINTERNALID
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_/CPD/S_SC_ENGPROJPURCHASEODR-WBSELEMENTINTERNALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CPD/S_SC_ENGPROJPURCHASEODR-WBSELEMENTINTERNALID.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit CUNIT, internal->external for field ORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/CPD/S_SC_ENGPROJPURCHASEODR-ORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CPD/S_SC_ENGPROJPURCHASEODR-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_/CPD/S_SC_ENGPROJPURCHASEODR_STR, 
ENGAGEMENTPROJECT TYPE STRING,
PURCHASE_ORDER_STATUSNAME TYPE STRING,
LAST_CHANGED_ON TYPE STRING,
PO_CREATION_DATE TYPE STRING,
PO_POITEM TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,
SUPPLIERNAME TYPE STRING,
MANDT TYPE STRING,
WORKPACKAGEUUID TYPE STRING,
WORKPACKAGE TYPE STRING,
ENGAGEMENTPROJFINPLANUUID TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
CURRENCY TYPE STRING,
PURCHASEORDERNETPRICEAMOUNT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
PURCHASINGDOCUMENTITEMTEXT TYPE STRING,
ORDERQUANTITY TYPE STRING,
NETAMOUNT TYPE STRING,
MATERIAL TYPE STRING,
SCHEDULELINEDELIVERYDATE TYPE STRING,
ROUGHGOODSRECEIPTQTY TYPE STRING,
OPENQUANTITY TYPE STRING,
PRIORITYCODE TYPE STRING,
SCHEDULELINE TYPE STRING,
ORDERQUANTITYUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/CPD/S_SC_ENGPROJPURCHASEODR_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_/CPD/S_SC_ENGPROJPURCHASEODR_STR-ENGAGEMENTPROJECT sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-PURCHASE_ORDER_STATUSNAME sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-LAST_CHANGED_ON sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-PO_CREATION_DATE sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-PO_POITEM sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-BUSINESSPARTNERNAME sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-SUPPLIERNAME sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-MANDT sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-WORKPACKAGEUUID sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-WORKPACKAGE sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-ENGAGEMENTPROJFINPLANUUID sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-WBSELEMENTINTERNALID sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-PURCHASINGDOCUMENT sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-CURRENCY sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-PURCHASEORDERNETPRICEAMOUNT sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-PURCHASEORDER sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-PURCHASEORDERITEM sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-PURCHASINGDOCUMENTITEMTEXT sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-ORDERQUANTITY sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-NETAMOUNT sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-MATERIAL sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-SCHEDULELINEDELIVERYDATE sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-ROUGHGOODSRECEIPTQTY sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-OPENQUANTITY sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-PRIORITYCODE sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-SCHEDULELINE sy-vline 
WA_/CPD/S_SC_ENGPROJPURCHASEODR_STR-ORDERQUANTITYUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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