ABAP Select data from SAP table CMMPURORDVALUE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMMPURORDVALUE
*  INTO TABLE @DATA(IT_CMMPURORDVALUE2).
*--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_CMMPURORDVALUE INDEX 1 INTO DATA(WA_CMMPURORDVALUE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMMPURORDVALUE>-MANDT = 1.
<CMMPURORDVALUE>-PURCHASEORDER = 1.
<CMMPURORDVALUE>-PURCHASEORDERITEM = 1.
<CMMPURORDVALUE>-ACCOUNTASSIGNMENTNUMBER = 1.
<CMMPURORDVALUE>-PURGDOCMIGRTNISCMPLTDFORANLYTS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMMPURORDVALUE-PURGCATUUID, sy-vline,
  WA_CMMPURORDVALUE-SUPPLIER, sy-vline,
  WA_CMMPURORDVALUE-SUPPLIERNAME, sy-vline,
  WA_CMMPURORDVALUE-SUPPLIERCOUNTRY, sy-vline,
  WA_CMMPURORDVALUE-COUNTRYNAME, sy-vline,
  WA_CMMPURORDVALUE-COUNTRY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMMPURORDVALUE 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_CMMPURORDVALUE 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_CMMPURORDVALUE INTO WA_CMMPURORDVALUE.


*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_CMMPURORDVALUE-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMMPURORDVALUE-PURCHASEORDER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ABPSN, internal->external for field WBSELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_CMMPURORDVALUE-WBSELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMMPURORDVALUE-WBSELEMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMMPURORDVALUE-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMMPURORDVALUE-COSTCENTER.
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_CMMPURORDVALUE_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
ACCOUNTASSIGNMENTNUMBER TYPE STRING,
PURGDOCMIGRTNISCMPLTDFORANLYTS TYPE STRING,
PURGCATUUID TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERNAME TYPE STRING,
SUPPLIERCOUNTRY TYPE STRING,
COUNTRYNAME TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
PURCHASEORDERDATE TYPE STRING,
ISCOMPLETELYDELIVERED TYPE STRING,
CALENDARYEAR TYPE STRING,
CALENDARQUARTER TYPE STRING,
CALENDARMONTH TYPE STRING,
POSTINGMONTH TYPE STRING,
CALENDARWEEK TYPE STRING,
YEARQUARTER TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGORGANIZATIONNAME TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGGROUPNAME TYPE STRING,
MATERIAL TYPE STRING,
MATERIALNAME TYPE STRING,
MATERIALGROUP TYPE STRING,
MATERIALGROUPNAME TYPE STRING,
PLANT TYPE STRING,
PLANTNAME TYPE STRING,
PRODUCTTYPECODE TYPE STRING,
PRODUCTTYPE TYPE STRING,
SERVICEPERFORMER TYPE STRING,
PURCHASINGCATEGORY TYPE STRING,
PURGCATRELATEDTOMATERIALGROUP TYPE STRING,
PURGCATNAME TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
CUSTOMERPROJECTNAME TYPE STRING,
CUSTPROJWORKPACKAGENAME TYPE STRING,
WBSELEMENT TYPE STRING,
WBSDESCRIPTION TYPE STRING,
COSTCENTER TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
PURORDNETAMOUNTINDISPLAYCRCY TYPE STRING,
NUMBEROFPURCHASEORDERS TYPE STRING,
NMBROFCMPLTLYDLVRDPURORDITMS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMMPURORDVALUE_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_CMMPURORDVALUE_STR-MANDT sy-vline 
WA_CMMPURORDVALUE_STR-PURCHASEORDER sy-vline 
WA_CMMPURORDVALUE_STR-PURCHASEORDERITEM sy-vline 
WA_CMMPURORDVALUE_STR-ACCOUNTASSIGNMENTNUMBER sy-vline 
WA_CMMPURORDVALUE_STR-PURGDOCMIGRTNISCMPLTDFORANLYTS sy-vline 
WA_CMMPURORDVALUE_STR-PURGCATUUID sy-vline 
WA_CMMPURORDVALUE_STR-SUPPLIER sy-vline 
WA_CMMPURORDVALUE_STR-SUPPLIERNAME sy-vline 
WA_CMMPURORDVALUE_STR-SUPPLIERCOUNTRY sy-vline 
WA_CMMPURORDVALUE_STR-COUNTRYNAME sy-vline 
WA_CMMPURORDVALUE_STR-COUNTRY sy-vline 
WA_CMMPURORDVALUE_STR-REGION sy-vline 
WA_CMMPURORDVALUE_STR-PURCHASEORDERDATE sy-vline 
WA_CMMPURORDVALUE_STR-ISCOMPLETELYDELIVERED sy-vline 
WA_CMMPURORDVALUE_STR-CALENDARYEAR sy-vline 
WA_CMMPURORDVALUE_STR-CALENDARQUARTER sy-vline 
WA_CMMPURORDVALUE_STR-CALENDARMONTH sy-vline 
WA_CMMPURORDVALUE_STR-POSTINGMONTH sy-vline 
WA_CMMPURORDVALUE_STR-CALENDARWEEK sy-vline 
WA_CMMPURORDVALUE_STR-YEARQUARTER sy-vline 
WA_CMMPURORDVALUE_STR-PURCHASINGORGANIZATION sy-vline 
WA_CMMPURORDVALUE_STR-PURCHASINGORGANIZATIONNAME sy-vline 
WA_CMMPURORDVALUE_STR-COMPANYCODE sy-vline 
WA_CMMPURORDVALUE_STR-PURCHASINGGROUP sy-vline 
WA_CMMPURORDVALUE_STR-PURCHASINGGROUPNAME sy-vline 
WA_CMMPURORDVALUE_STR-MATERIAL sy-vline 
WA_CMMPURORDVALUE_STR-MATERIALNAME sy-vline 
WA_CMMPURORDVALUE_STR-MATERIALGROUP sy-vline 
WA_CMMPURORDVALUE_STR-MATERIALGROUPNAME sy-vline 
WA_CMMPURORDVALUE_STR-PLANT sy-vline 
WA_CMMPURORDVALUE_STR-PLANTNAME sy-vline 
WA_CMMPURORDVALUE_STR-PRODUCTTYPECODE sy-vline 
WA_CMMPURORDVALUE_STR-PRODUCTTYPE sy-vline 
WA_CMMPURORDVALUE_STR-SERVICEPERFORMER sy-vline 
WA_CMMPURORDVALUE_STR-PURCHASINGCATEGORY sy-vline 
WA_CMMPURORDVALUE_STR-PURGCATRELATEDTOMATERIALGROUP sy-vline 
WA_CMMPURORDVALUE_STR-PURGCATNAME sy-vline 
WA_CMMPURORDVALUE_STR-WBSELEMENTINTERNALID sy-vline 
WA_CMMPURORDVALUE_STR-CUSTOMERPROJECTNAME sy-vline 
WA_CMMPURORDVALUE_STR-CUSTPROJWORKPACKAGENAME sy-vline 
WA_CMMPURORDVALUE_STR-WBSELEMENT sy-vline 
WA_CMMPURORDVALUE_STR-WBSDESCRIPTION sy-vline 
WA_CMMPURORDVALUE_STR-COSTCENTER sy-vline 
WA_CMMPURORDVALUE_STR-DISPLAYCURRENCY sy-vline 
WA_CMMPURORDVALUE_STR-PURORDNETAMOUNTINDISPLAYCRCY sy-vline 
WA_CMMPURORDVALUE_STR-NUMBEROFPURCHASEORDERS sy-vline 
WA_CMMPURORDVALUE_STR-NMBROFCMPLTLYDLVRDPURORDITMS sy-vline      INTO ld_text SEPARATED BY SPACE.

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