ABAP Select data from SAP table RFM_ALIGN_PROPOSAL_DISPLAY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RFM_ALIGN_PROPOSAL_DISPLAY
*  INTO TABLE @DATA(IT_RFM_ALIGN_PROPOSAL_DISPLAY2).
*--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_RFM_ALIGN_PROPOSAL_DISPLAY INDEX 1 INTO DATA(WA_RFM_ALIGN_PROPOSAL_DISPLAY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RFM_ALIGN_PROPOSAL_DISPLAY>-PRODUCT = 1.
<RFM_ALIGN_PROPOSAL_DISPLAY>-PRODUCTNAME = 1.
<RFM_ALIGN_PROPOSAL_DISPLAY>-SALESORDER = 1.
<RFM_ALIGN_PROPOSAL_DISPLAY>-SALESORDERITEM = 1.
<RFM_ALIGN_PROPOSAL_DISPLAY>-SALESORDERSCHEDULELINE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RFM_ALIGN_PROPOSAL_DISPLAY-HIGHERLEVELITEM, sy-vline,
  WA_RFM_ALIGN_PROPOSAL_DISPLAY-CROSSPLANTCONFIGURABLEPRODUCT, sy-vline,
  WA_RFM_ALIGN_PROPOSAL_DISPLAY-PURCHASEREQUISITION, sy-vline,
  WA_RFM_ALIGN_PROPOSAL_DISPLAY-PURCHASEREQUISITIONITEM, sy-vline,
  WA_RFM_ALIGN_PROPOSAL_DISPLAY-PURCHASEREQUISITIONITEMPLANT, sy-vline,
  WA_RFM_ALIGN_PROPOSAL_DISPLAY-REQUESTEDQUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RFM_ALIGN_PROPOSAL_DISPLAY 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_RFM_ALIGN_PROPOSAL_DISPLAY 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_RFM_ALIGN_PROPOSAL_DISPLAY INTO WA_RFM_ALIGN_PROPOSAL_DISPLAY.


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

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

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

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

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

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

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

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

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

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

*Conversion exit MATN1, internal->external for field PRODUCTOFHIGHERLEVELITEM
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RFM_ALIGN_PROPOSAL_DISPLAY-PRODUCTOFHIGHERLEVELITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFM_ALIGN_PROPOSAL_DISPLAY-PRODUCTOFHIGHERLEVELITEM.
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_RFM_ALIGN_PROPOSAL_DISPLAY_STR, 
PRODUCT TYPE STRING,
PRODUCTNAME TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
SALESORDERSCHEDULELINE TYPE STRING,
HIGHERLEVELITEM TYPE STRING,
CROSSPLANTCONFIGURABLEPRODUCT TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
PURCHASEREQUISITIONITEMPLANT TYPE STRING,
REQUESTEDQUANTITY TYPE STRING,
PURCHASEREQUISITIONUNIT TYPE STRING,
PURCHASEREQNITEMSTOCKSEGMENT TYPE STRING,
PURCHASEREQNITEMSEASONYEAR TYPE STRING,
PURCHASEREQNITEMSEASON TYPE STRING,
PURCHASEREQNITEMCOLLECTION TYPE STRING,
PURCHASEREQNITEMTHEME TYPE STRING,
DELIVERYDATE TYPE STRING,
PROPOSALTYPE TYPE STRING,
PURREQNHASCROSSPLANTALIGNMENT TYPE STRING,
PURREQNHASCROSSSEASONALIGNMENT TYPE STRING,
PURREQNHASCROSSSGMTALIGNMENT TYPE STRING,
PURREQNHASDIVINPROCALIGNMENT TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
PURORDERITEMPLANT TYPE STRING,
PURCHASEORDERITEMSTOCKSEGMENT TYPE STRING,
PURCHASEORDERITEMSEASONYEAR TYPE STRING,
PURCHASEORDERITEMSEASON TYPE STRING,
PURCHASEORDERITEMCOLLECTION TYPE STRING,
PURCHASEORDERITEMTHEME TYPE STRING,
OPENQUANTITYINBASEUNIT TYPE STRING,
ORDERQUANTITYINBASEUNIT TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
SCHEDULELINEDELIVERYDATE TYPE STRING,
PRODUCTCHARACTERISTIC1 TYPE STRING,
PRODUCTCHARACTERISTIC1DESC TYPE STRING,
PRODUCTCHARACTERISTIC2 TYPE STRING,
PRODUCTCHARACTERISTIC2DESC TYPE STRING,
PRODUCTCHARACTERISTIC3 TYPE STRING,
PRODUCTCHARACTERISTIC3DESC TYPE STRING,
PURREQNITEMPURCHASECONTRACT TYPE STRING,
PURREQNITEMPURCONTRACTITEM TYPE STRING,
PURORDERITEMPURCHASECONTRACT TYPE STRING,
PURORDERITEMPURCONTRACTITEM TYPE STRING,
PURCHASECONTRACTQUANTITYUNIT TYPE STRING,
REASONCODE TYPE STRING,
PRODUCTOFHIGHERLEVELITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RFM_ALIGN_PROPOSAL_DISPLAY_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_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PRODUCT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PRODUCTNAME sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-SALESORDER sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-SALESORDERITEM sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-SALESORDERSCHEDULELINE sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-HIGHERLEVELITEM sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-CROSSPLANTCONFIGURABLEPRODUCT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASEREQUISITION sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASEREQUISITIONITEMPLANT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-REQUESTEDQUANTITY sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASEREQUISITIONUNIT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASEREQNITEMSTOCKSEGMENT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASEREQNITEMSEASONYEAR sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASEREQNITEMSEASON sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASEREQNITEMCOLLECTION sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASEREQNITEMTHEME sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-DELIVERYDATE sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PROPOSALTYPE sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURREQNHASCROSSPLANTALIGNMENT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURREQNHASCROSSSEASONALIGNMENT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURREQNHASCROSSSGMTALIGNMENT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURREQNHASDIVINPROCALIGNMENT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASINGDOCUMENT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURORDERITEMPLANT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASEORDERITEMSTOCKSEGMENT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASEORDERITEMSEASONYEAR sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASEORDERITEMSEASON sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASEORDERITEMCOLLECTION sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASEORDERITEMTHEME sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-OPENQUANTITYINBASEUNIT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-ORDERQUANTITYINBASEUNIT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-SCHEDULELINEDELIVERYDATE sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PRODUCTCHARACTERISTIC1 sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PRODUCTCHARACTERISTIC1DESC sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PRODUCTCHARACTERISTIC2 sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PRODUCTCHARACTERISTIC2DESC sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PRODUCTCHARACTERISTIC3 sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PRODUCTCHARACTERISTIC3DESC sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURREQNITEMPURCHASECONTRACT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURREQNITEMPURCONTRACTITEM sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURORDERITEMPURCHASECONTRACT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURORDERITEMPURCONTRACTITEM sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PURCHASECONTRACTQUANTITYUNIT sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-REASONCODE sy-vline 
WA_RFM_ALIGN_PROPOSAL_DISPLAY_STR-PRODUCTOFHIGHERLEVELITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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