ABAP Select data from SAP table CPURORDLIMITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPURORDLIMITM
*  INTO TABLE @DATA(IT_CPURORDLIMITM2).
*--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_CPURORDLIMITM INDEX 1 INTO DATA(WA_CPURORDLIMITM2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPURORDLIMITM-PURCHASEORDERITEMTEXT, sy-vline,
  WA_CPURORDLIMITM-EXPECTEDOVERALLLIMITAMOUNT, sy-vline,
  WA_CPURORDLIMITM-OVERALLLIMITAMOUNT, sy-vline,
  WA_CPURORDLIMITM-PURCHASINGDOCUMENTDELETIONCODE, sy-vline,
  WA_CPURORDLIMITM-DOCUMENTCURRENCY, sy-vline,
  WA_CPURORDLIMITM-MATERIALGROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPURORDLIMITM 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_CPURORDLIMITM 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_CPURORDLIMITM INTO WA_CPURORDLIMITM.


*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_CPURORDLIMITM-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPURORDLIMITM-PURCHASEORDER.
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_CPURORDLIMITM_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
PURCHASEORDERITEMCATEGORY TYPE STRING,
PURORDITEMCATEGORYNAME TYPE STRING,
PURCHASEORDERITEMTEXT TYPE STRING,
EXPECTEDOVERALLLIMITAMOUNT TYPE STRING,
OVERALLLIMITAMOUNT TYPE STRING,
PURCHASINGDOCUMENTDELETIONCODE TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
MATERIALGROUP TYPE STRING,
PLANT TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
PURCHASEORDERITEMSTATUS TYPE STRING,
GOODSRECEIPTISEXPECTED TYPE STRING,
GOODSRECEIPTISNONVALUATED TYPE STRING,
INVOICEISEXPECTED TYPE STRING,
INVOICEISGOODSRECEIPTBASED TYPE STRING,
ISCOMPLETELYDELIVERED TYPE STRING,
ISFINALLYINVOICED TYPE STRING,
TAXCODE TYPE STRING,
TAXJURISDICTION TYPE STRING,
TAXCALCULATIONPROCEDURE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPURORDLIMITM_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_CPURORDLIMITM_STR-MANDT sy-vline 
WA_CPURORDLIMITM_STR-PURCHASEORDER sy-vline 
WA_CPURORDLIMITM_STR-PURCHASEORDERITEM sy-vline 
WA_CPURORDLIMITM_STR-PURCHASEORDERITEMCATEGORY sy-vline 
WA_CPURORDLIMITM_STR-PURORDITEMCATEGORYNAME sy-vline 
WA_CPURORDLIMITM_STR-PURCHASEORDERITEMTEXT sy-vline 
WA_CPURORDLIMITM_STR-EXPECTEDOVERALLLIMITAMOUNT sy-vline 
WA_CPURORDLIMITM_STR-OVERALLLIMITAMOUNT sy-vline 
WA_CPURORDLIMITM_STR-PURCHASINGDOCUMENTDELETIONCODE sy-vline 
WA_CPURORDLIMITM_STR-DOCUMENTCURRENCY sy-vline 
WA_CPURORDLIMITM_STR-MATERIALGROUP sy-vline 
WA_CPURORDLIMITM_STR-PLANT sy-vline 
WA_CPURORDLIMITM_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_CPURORDLIMITM_STR-PURCHASEORDERITEMSTATUS sy-vline 
WA_CPURORDLIMITM_STR-GOODSRECEIPTISEXPECTED sy-vline 
WA_CPURORDLIMITM_STR-GOODSRECEIPTISNONVALUATED sy-vline 
WA_CPURORDLIMITM_STR-INVOICEISEXPECTED sy-vline 
WA_CPURORDLIMITM_STR-INVOICEISGOODSRECEIPTBASED sy-vline 
WA_CPURORDLIMITM_STR-ISCOMPLETELYDELIVERED sy-vline 
WA_CPURORDLIMITM_STR-ISFINALLYINVOICED sy-vline 
WA_CPURORDLIMITM_STR-TAXCODE sy-vline 
WA_CPURORDLIMITM_STR-TAXJURISDICTION sy-vline 
WA_CPURORDLIMITM_STR-TAXCALCULATIONPROCEDURE sy-vline      INTO ld_text SEPARATED BY SPACE.

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