ABAP Select data from SAP table CPOITMDRAFTFORPR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPOITMDRAFTFORPR
*  INTO TABLE @DATA(IT_CPOITMDRAFTFORPR2).
*--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_CPOITMDRAFTFORPR INDEX 1 INTO DATA(WA_CPOITMDRAFTFORPR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPOITMDRAFTFORPR>-MANDT = 1.
<CPOITMDRAFTFORPR>-PURCHASEORDERDRAFTUUID = 1.
<CPOITMDRAFTFORPR>-PURCHASEORDERITEM = 1.
<CPOITMDRAFTFORPR>-PURCHASEORDERITEMDRAFTUUID = 1.
<CPOITMDRAFTFORPR>-COMMITMENTITEMSHORTID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPOITMDRAFTFORPR-DOCUMENTCURRENCY, sy-vline,
  WA_CPOITMDRAFTFORPR-EXTERNALMATERIAL, sy-vline,
  WA_CPOITMDRAFTFORPR-MATERIAL, sy-vline,
  WA_CPOITMDRAFTFORPR-MATERIALCONDITIONGROUP, sy-vline,
  WA_CPOITMDRAFTFORPR-MATERIALGROUP, sy-vline,
  WA_CPOITMDRAFTFORPR-NETPRICEAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPOITMDRAFTFORPR 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_CPOITMDRAFTFORPR 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_CPOITMDRAFTFORPR INTO WA_CPOITMDRAFTFORPR.


*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 FMCIS, internal->external for field COMMITMENTITEMSHORTID
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_CPOITMDRAFTFORPR-COMMITMENTITEMSHORTID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPOITMDRAFTFORPR-COMMITMENTITEMSHORTID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATNL, internal->external for field EXTERNALMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATNL_OUTPUT'
  EXPORTING
    input =                      WA_CPOITMDRAFTFORPR-EXTERNALMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPOITMDRAFTFORPR-EXTERNALMATERIAL.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field SUPPLIERQUOTATION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPOITMDRAFTFORPR-SUPPLIERQUOTATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPOITMDRAFTFORPR-SUPPLIERQUOTATION.
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_CPOITMDRAFTFORPR_STR, 
MANDT TYPE STRING,
PURCHASEORDERDRAFTUUID TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
PURCHASEORDERITEMDRAFTUUID TYPE STRING,
COMMITMENTITEMSHORTID TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
EXTERNALMATERIAL TYPE STRING,
MATERIAL TYPE STRING,
MATERIALCONDITIONGROUP TYPE STRING,
MATERIALGROUP TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
NETPRICEQUANTITY TYPE STRING,
ORDERQUANTITY TYPE STRING,
ORDERQUANTITYUNIT TYPE STRING,
PLANT TYPE STRING,
PURCHASECONTRACT TYPE STRING,
PURCHASECONTRACTITEM TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
PURCHASINGDOCUMENTITEMCATEGORY TYPE STRING,
PURCHASINGDOCUMENTITEMTEXT TYPE STRING,
PURCHASINGINFORECORD TYPE STRING,
SUPPLIERMATERIALNUMBER TYPE STRING,
SUPPLIERQUOTATION TYPE STRING,
SUPPLIERQUOTATIONITEM TYPE STRING,
DELIVERYDATE TYPE STRING,
PURREQNITEMTOTALAMOUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPOITMDRAFTFORPR_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_CPOITMDRAFTFORPR_STR-MANDT sy-vline 
WA_CPOITMDRAFTFORPR_STR-PURCHASEORDERDRAFTUUID sy-vline 
WA_CPOITMDRAFTFORPR_STR-PURCHASEORDERITEM sy-vline 
WA_CPOITMDRAFTFORPR_STR-PURCHASEORDERITEMDRAFTUUID sy-vline 
WA_CPOITMDRAFTFORPR_STR-COMMITMENTITEMSHORTID sy-vline 
WA_CPOITMDRAFTFORPR_STR-DOCUMENTCURRENCY sy-vline 
WA_CPOITMDRAFTFORPR_STR-EXTERNALMATERIAL sy-vline 
WA_CPOITMDRAFTFORPR_STR-MATERIAL sy-vline 
WA_CPOITMDRAFTFORPR_STR-MATERIALCONDITIONGROUP sy-vline 
WA_CPOITMDRAFTFORPR_STR-MATERIALGROUP sy-vline 
WA_CPOITMDRAFTFORPR_STR-NETPRICEAMOUNT sy-vline 
WA_CPOITMDRAFTFORPR_STR-NETPRICEQUANTITY sy-vline 
WA_CPOITMDRAFTFORPR_STR-ORDERQUANTITY sy-vline 
WA_CPOITMDRAFTFORPR_STR-ORDERQUANTITYUNIT sy-vline 
WA_CPOITMDRAFTFORPR_STR-PLANT sy-vline 
WA_CPOITMDRAFTFORPR_STR-PURCHASECONTRACT sy-vline 
WA_CPOITMDRAFTFORPR_STR-PURCHASECONTRACTITEM sy-vline 
WA_CPOITMDRAFTFORPR_STR-PURCHASEREQUISITION sy-vline 
WA_CPOITMDRAFTFORPR_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_CPOITMDRAFTFORPR_STR-PURCHASINGDOCUMENTITEMCATEGORY sy-vline 
WA_CPOITMDRAFTFORPR_STR-PURCHASINGDOCUMENTITEMTEXT sy-vline 
WA_CPOITMDRAFTFORPR_STR-PURCHASINGINFORECORD sy-vline 
WA_CPOITMDRAFTFORPR_STR-SUPPLIERMATERIALNUMBER sy-vline 
WA_CPOITMDRAFTFORPR_STR-SUPPLIERQUOTATION sy-vline 
WA_CPOITMDRAFTFORPR_STR-SUPPLIERQUOTATIONITEM sy-vline 
WA_CPOITMDRAFTFORPR_STR-DELIVERYDATE sy-vline 
WA_CPOITMDRAFTFORPR_STR-PURREQNITEMTOTALAMOUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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