ABAP Select data from SAP table MMPUR_S_CCTR_ITM_CHANGE 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_ITM_CHANGE 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_ITM_CHANGE. 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_ITM_CHANGE 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_ITM_CHANGE TYPE STANDARD TABLE OF MMPUR_S_CCTR_ITM_CHANGE,
      WA_MMPUR_S_CCTR_ITM_CHANGE TYPE MMPUR_S_CCTR_ITM_CHANGE,
      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_ITM_CHANGE> TYPE MMPUR_S_CCTR_ITM_CHANGE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_S_CCTR_ITM_CHANGE
*  INTO TABLE @DATA(IT_MMPUR_S_CCTR_ITM_CHANGE2).
*--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_ITM_CHANGE INDEX 1 INTO DATA(WA_MMPUR_S_CCTR_ITM_CHANGE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_S_CCTR_ITM_CHANGE>-PURCHASECONTRACT = 1.
<MMPUR_S_CCTR_ITM_CHANGE>-PLANT = 1.
<MMPUR_S_CCTR_ITM_CHANGE>-PURCHASECONTRACTITEMTEXT = 1.
<MMPUR_S_CCTR_ITM_CHANGE>-PURDOCITEMDELETIONCODE = 1.
<MMPUR_S_CCTR_ITM_CHANGE>-MATERIALGROUP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_S_CCTR_ITM_CHANGE-MATERIAL, sy-vline,
  WA_MMPUR_S_CCTR_ITM_CHANGE-SUPPLIERMATERIALNUMBER, sy-vline,
  WA_MMPUR_S_CCTR_ITM_CHANGE-MANUFACTURERPARTNMBR, sy-vline,
  WA_MMPUR_S_CCTR_ITM_CHANGE-MANUFACTURERMATERIAL, sy-vline,
  WA_MMPUR_S_CCTR_ITM_CHANGE-MANUFACTURER, sy-vline,
  WA_MMPUR_S_CCTR_ITM_CHANGE-PRODUCTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_S_CCTR_ITM_CHANGE 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_ITM_CHANGE 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_ITM_CHANGE INTO WA_MMPUR_S_CCTR_ITM_CHANGE.


*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 PURCHASECONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_CCTR_ITM_CHANGE-PURCHASECONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_CCTR_ITM_CHANGE-PURCHASECONTRACT.
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_ITM_CHANGE-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_CCTR_ITM_CHANGE-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit EAN11, internal->external for field INTERNATIONALARTICLENUMBER
CALL FUNCTION 'CONVERSION_EXIT_EAN11_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_CCTR_ITM_CHANGE-INTERNATIONALARTICLENUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_CCTR_ITM_CHANGE-INTERNATIONALARTICLENUMBER.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field SERVICEPERFORMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_CCTR_ITM_CHANGE-SERVICEPERFORMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_CCTR_ITM_CHANGE-SERVICEPERFORMER.
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_ITM_CHANGE_STR, 
PURCHASECONTRACT TYPE STRING,
PLANT TYPE STRING,
PURCHASECONTRACTITEMTEXT TYPE STRING,
PURDOCITEMDELETIONCODE TYPE STRING,
MATERIALGROUP TYPE STRING,
MATERIAL TYPE STRING,
SUPPLIERMATERIALNUMBER TYPE STRING,
MANUFACTURERPARTNMBR TYPE STRING,
MANUFACTURERMATERIAL TYPE STRING,
MANUFACTURER TYPE STRING,
PRODUCTTYPE TYPE STRING,
COMPANYCODE TYPE STRING,
MANUALDELIVERYADDRESSID TYPE STRING,
REFERENCEDELIVERYADDRESSID TYPE STRING,
CUSTOMER TYPE STRING,
STORAGELOCATION TYPE STRING,
GOODSRECEIPTISEXPECTED TYPE STRING,
INVOICEISEXPECTED TYPE STRING,
INVOICEISGOODSRECEIPTBASED TYPE STRING,
GOODSRECEIPTISNONVALUATED TYPE STRING,
EVALDRCPTSETTLMTISALLOWED TYPE STRING,
UNLIMITEDOVERDELIVERYISALLOWED TYPE STRING,
OVERDELIVTOLRTDLMTRATIOINPCT TYPE STRING,
UNDERDELIVTOLRTDLMTRATIOINPCT TYPE STRING,
REQUISITIONERNAME TYPE STRING,
INCOTERMSCLASSIFICATION TYPE STRING,
INCOTERMSTRANSFERLOCATION TYPE STRING,
INCOTERMSLOCATION1 TYPE STRING,
INCOTERMSLOCATION2 TYPE STRING,
INTERNATIONALARTICLENUMBER TYPE STRING,
CONFIRMATIONCONTROL TYPE STRING,
PRICEISTOBEPRINTED TYPE STRING,
TARGETAMOUNT TYPE STRING,
TARGETQUANTITY TYPE STRING,
TAXCODE TYPE STRING,
TAXJURISDICTION TYPE STRING,
EARMARKEDFUNDS TYPE STRING,
EARMARKEDFUNDSITEM TYPE STRING,
SERVICEPERFORMER TYPE STRING,
SHIPPINGINSTRUCTION TYPE STRING,
DUMMY_EKPO_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_S_CCTR_ITM_CHANGE_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_ITM_CHANGE_STR-PURCHASECONTRACT sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-PLANT sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-PURCHASECONTRACTITEMTEXT sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-PURDOCITEMDELETIONCODE sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-MATERIALGROUP sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-MATERIAL sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-SUPPLIERMATERIALNUMBER sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-MANUFACTURERPARTNMBR sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-MANUFACTURERMATERIAL sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-MANUFACTURER sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-PRODUCTTYPE sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-COMPANYCODE sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-MANUALDELIVERYADDRESSID sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-REFERENCEDELIVERYADDRESSID sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-CUSTOMER sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-STORAGELOCATION sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-GOODSRECEIPTISEXPECTED sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-INVOICEISEXPECTED sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-INVOICEISGOODSRECEIPTBASED sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-GOODSRECEIPTISNONVALUATED sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-EVALDRCPTSETTLMTISALLOWED sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-UNLIMITEDOVERDELIVERYISALLOWED sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-OVERDELIVTOLRTDLMTRATIOINPCT sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-UNDERDELIVTOLRTDLMTRATIOINPCT sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-REQUISITIONERNAME sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-INCOTERMSCLASSIFICATION sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-INCOTERMSTRANSFERLOCATION sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-INCOTERMSLOCATION1 sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-INCOTERMSLOCATION2 sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-INTERNATIONALARTICLENUMBER sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-CONFIRMATIONCONTROL sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-PRICEISTOBEPRINTED sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-TARGETAMOUNT sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-TARGETQUANTITY sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-TAXCODE sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-TAXJURISDICTION sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-EARMARKEDFUNDS sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-EARMARKEDFUNDSITEM sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-SERVICEPERFORMER sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-SHIPPINGINSTRUCTION sy-vline 
WA_MMPUR_S_CCTR_ITM_CHANGE_STR-DUMMY_EKPO_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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