ABAP Select data from SAP table MMPUR_S_CCTR_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_S_CCTR_ITEM
*  INTO TABLE @DATA(IT_MMPUR_S_CCTR_ITEM2).
*--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_MMPUR_S_CCTR_ITEM INDEX 1 INTO DATA(WA_MMPUR_S_CCTR_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_S_CCTR_ITEM>-PURCHASINGDOCUMENT = 1.
<MMPUR_S_CCTR_ITEM>-PURCHASINGDOCUMENTITEM = 1.
<MMPUR_S_CCTR_ITEM>-MATERIAL = 1.
<MMPUR_S_CCTR_ITEM>-PURCHASINGDOCUMENTITEMTEXT = 1.
<MMPUR_S_CCTR_ITEM>-NETPRICEAMOUNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_S_CCTR_ITEM-ORDERPRICEUNIT, sy-vline,
  WA_MMPUR_S_CCTR_ITEM-VOLUMEUNIT, sy-vline,
  WA_MMPUR_S_CCTR_ITEM-ORDERQUANTITYUNIT, sy-vline,
  WA_MMPUR_S_CCTR_ITEM-MATERIALGROUP, sy-vline,
  WA_MMPUR_S_CCTR_ITEM-CUSTOMER, sy-vline,
  WA_MMPUR_S_CCTR_ITEM-SUBCONTRACTOR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_S_CCTR_ITEM 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_MMPUR_S_CCTR_ITEM 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_MMPUR_S_CCTR_ITEM INTO WA_MMPUR_S_CCTR_ITEM.


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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field MANUALDELIVERYADDRESSID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_CCTR_ITEM-MANUALDELIVERYADDRESSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_CCTR_ITEM-MANUALDELIVERYADDRESSID.
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_MMPUR_S_CCTR_ITEM_STR, 
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
MATERIAL TYPE STRING,
PURCHASINGDOCUMENTITEMTEXT TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
ORDERPRICEUNIT TYPE STRING,
VOLUMEUNIT TYPE STRING,
ORDERQUANTITYUNIT TYPE STRING,
MATERIALGROUP TYPE STRING,
CUSTOMER TYPE STRING,
SUBCONTRACTOR TYPE STRING,
REFERENCEDELIVERYADDRESSID TYPE STRING,
MANUALDELIVERYADDRESSID TYPE STRING,
PLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
GOODSRECEIPTISEXPECTED TYPE STRING,
NETPRICEQUANTITY TYPE STRING,
MULTIPLEACCTASSGMTDISTRIBUTION TYPE STRING,
PARTIALINVOICEDISTRIBUTION TYPE STRING,
TARGETQUANTITY TYPE STRING,
TARGETAMOUNT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
ORDPRICEUNITTOORDERUNITDNMNTR TYPE STRING,
ORDERPRICEUNITTOORDERUNITNMRTR TYPE STRING,
PURCHASINGDOCUMENTITEMCATEGORY TYPE STRING,
SUPPLIERMATERIALNUMBER TYPE STRING,
EVALDRCPTSETTLMTISALLOWED TYPE STRING,
UNDERDELIVTOLRTDLMTRATIOINPCT TYPE STRING,
PRICEISTOBEPRINTED TYPE STRING,
CONFIRMATIONCONTROL TYPE STRING,
OVERDELIVTOLRTDLMTRATIOINPCT TYPE STRING,
UNLIMITEDOVERDELIVERYISALLOWED TYPE STRING,
INVOICEISEXPECTED TYPE STRING,
INVOICEISGOODSRECEIPTBASED TYPE STRING,
PURGDOCPRICEDATE TYPE STRING,
ISINFORECORDUPDATED TYPE STRING,
PURGDOCRELEASEORDERQUANTITY TYPE STRING,
PURGDOCORDERACKNNUMBER TYPE STRING,
PURGDOCESTIMATEDPRICE TYPE STRING,
ISINFOATREGISTRATION TYPE STRING,
NODAYSREMINDER1 TYPE STRING,
NODAYSREMINDER2 TYPE STRING,
NODAYSREMINDER3 TYPE STRING,
STOCKTYPE TYPE STRING,
TAXCODE TYPE STRING,
REQUIREMENTTRACKING TYPE STRING,
ISORDERACKNRQD TYPE STRING,
SHIPPINGINSTRUCTION TYPE STRING,
GOODSRECEIPTISNONVALUATED TYPE STRING,
PURCHASINGDOCUMENTDELETIONCODE TYPE STRING,
PRODUCTTYPE TYPE STRING,
SERVICEPACKAGE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_S_CCTR_ITEM_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_MMPUR_S_CCTR_ITEM_STR-PURCHASINGDOCUMENT sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-MATERIAL sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-PURCHASINGDOCUMENTITEMTEXT sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-NETPRICEAMOUNT sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-ORDERPRICEUNIT sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-VOLUMEUNIT sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-ORDERQUANTITYUNIT sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-MATERIALGROUP sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-CUSTOMER sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-SUBCONTRACTOR sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-REFERENCEDELIVERYADDRESSID sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-MANUALDELIVERYADDRESSID sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-PLANT sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-STORAGELOCATION sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-GOODSRECEIPTISEXPECTED sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-NETPRICEQUANTITY sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-MULTIPLEACCTASSGMTDISTRIBUTION sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-PARTIALINVOICEDISTRIBUTION sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-TARGETQUANTITY sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-TARGETAMOUNT sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-DOCUMENTCURRENCY sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-ORDPRICEUNITTOORDERUNITDNMNTR sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-ORDERPRICEUNITTOORDERUNITNMRTR sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-PURCHASINGDOCUMENTITEMCATEGORY sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-SUPPLIERMATERIALNUMBER sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-EVALDRCPTSETTLMTISALLOWED sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-UNDERDELIVTOLRTDLMTRATIOINPCT sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-PRICEISTOBEPRINTED sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-CONFIRMATIONCONTROL sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-OVERDELIVTOLRTDLMTRATIOINPCT sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-UNLIMITEDOVERDELIVERYISALLOWED sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-INVOICEISEXPECTED sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-INVOICEISGOODSRECEIPTBASED sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-PURGDOCPRICEDATE sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-ISINFORECORDUPDATED sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-PURGDOCRELEASEORDERQUANTITY sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-PURGDOCORDERACKNNUMBER sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-PURGDOCESTIMATEDPRICE sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-ISINFOATREGISTRATION sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-NODAYSREMINDER1 sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-NODAYSREMINDER2 sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-NODAYSREMINDER3 sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-STOCKTYPE sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-TAXCODE sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-REQUIREMENTTRACKING sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-ISORDERACKNRQD sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-SHIPPINGINSTRUCTION sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-GOODSRECEIPTISNONVALUATED sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-PURCHASINGDOCUMENTDELETIONCODE sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-PRODUCTTYPE sy-vline 
WA_MMPUR_S_CCTR_ITEM_STR-SERVICEPACKAGE sy-vline      INTO ld_text SEPARATED BY SPACE.

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