ABAP Select data from SAP table SDMCC_CHGITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SDMCC_CHGITEM
*  INTO TABLE @DATA(IT_SDMCC_CHGITEM2).
*--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_SDMCC_CHGITEM INDEX 1 INTO DATA(WA_SDMCC_CHGITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SDMCC_CHGITEM>-MANDT = 1.
<SDMCC_CHGITEM>-SLSDOCMASSCHANGEREQUESTUUID = 1.
<SDMCC_CHGITEM>-SLSDOCMASSCHGACTIONCATEGORY = 1.
<SDMCC_CHGITEM>-SLSDOCMASSCHGACTIONID = 1.
<SDMCC_CHGITEM>-SALESDOCUMENTITEMCATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SDMCC_CHGITEM-PRODUCT, sy-vline,
  WA_SDMCC_CHGITEM-SALESDOCUMENTITEMTEXT, sy-vline,
  WA_SDMCC_CHGITEM-PRODUCTHIERARCHYNODE, sy-vline,
  WA_SDMCC_CHGITEM-BATCH, sy-vline,
  WA_SDMCC_CHGITEM-DIVISION, sy-vline,
  WA_SDMCC_CHGITEM-DELIVERYPRIORITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SDMCC_CHGITEM 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_SDMCC_CHGITEM 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_SDMCC_CHGITEM INTO WA_SDMCC_CHGITEM.


*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_SDMCC_CHGITEM-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDMCC_CHGITEM-PRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PROFITCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SDMCC_CHGITEM-PROFITCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDMCC_CHGITEM-PROFITCENTER.
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_SDMCC_CHGITEM_STR, 
MANDT TYPE STRING,
SLSDOCMASSCHANGEREQUESTUUID TYPE STRING,
SLSDOCMASSCHGACTIONCATEGORY TYPE STRING,
SLSDOCMASSCHGACTIONID TYPE STRING,
SALESDOCUMENTITEMCATEGORY TYPE STRING,
PRODUCT TYPE STRING,
SALESDOCUMENTITEMTEXT TYPE STRING,
PRODUCTHIERARCHYNODE TYPE STRING,
BATCH TYPE STRING,
DIVISION TYPE STRING,
DELIVERYPRIORITY TYPE STRING,
PLANT TYPE STRING,
CUSTOMERPAYMENTTERMS TYPE STRING,
UNLOADINGPOINTNAME TYPE STRING,
STORAGELOCATION TYPE STRING,
SHIPPINGPOINT TYPE STRING,
SHIPPINGTYPE TYPE STRING,
ROUTE TYPE STRING,
BILLINGDOCUMENTDATE TYPE STRING,
PRICINGDATE TYPE STRING,
REQUESTEDDELIVERYDATE TYPE STRING,
ITEMBILLINGBLOCKREASON TYPE STRING,
SALESDOCUMENTRJCNREASON TYPE STRING,
EXPDDELIVQUANTITYCHANGEREASON TYPE STRING,
RETURNREASON TYPE STRING,
CUSTRETITMFOLLOWUPACTIVITY TYPE STRING,
INCOTERMSCLASSIFICATION TYPE STRING,
INCOTERMSTRANSFERLOCATION TYPE STRING,
INCOTERMSLOCATION1 TYPE STRING,
INCOTERMSLOCATION2 TYPE STRING,
INCOTERMSVERSION TYPE STRING,
DELIVERYBLOCKREASON TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
PURCHASEORDERBYCUSTOMER TYPE STRING,
CUSTOMERPURCHASEORDERDATE TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
MATERIALBYCUSTOMER TYPE STRING,
PRICINGTYPE TYPE STRING,
PROFITCENTER TYPE STRING,
WBSELEMENTEXTERNALID TYPE STRING,
DUMMY_SLSDOCITEM_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SDMCC_CHGITEM_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_SDMCC_CHGITEM_STR-MANDT sy-vline 
WA_SDMCC_CHGITEM_STR-SLSDOCMASSCHANGEREQUESTUUID sy-vline 
WA_SDMCC_CHGITEM_STR-SLSDOCMASSCHGACTIONCATEGORY sy-vline 
WA_SDMCC_CHGITEM_STR-SLSDOCMASSCHGACTIONID sy-vline 
WA_SDMCC_CHGITEM_STR-SALESDOCUMENTITEMCATEGORY sy-vline 
WA_SDMCC_CHGITEM_STR-PRODUCT sy-vline 
WA_SDMCC_CHGITEM_STR-SALESDOCUMENTITEMTEXT sy-vline 
WA_SDMCC_CHGITEM_STR-PRODUCTHIERARCHYNODE sy-vline 
WA_SDMCC_CHGITEM_STR-BATCH sy-vline 
WA_SDMCC_CHGITEM_STR-DIVISION sy-vline 
WA_SDMCC_CHGITEM_STR-DELIVERYPRIORITY sy-vline 
WA_SDMCC_CHGITEM_STR-PLANT sy-vline 
WA_SDMCC_CHGITEM_STR-CUSTOMERPAYMENTTERMS sy-vline 
WA_SDMCC_CHGITEM_STR-UNLOADINGPOINTNAME sy-vline 
WA_SDMCC_CHGITEM_STR-STORAGELOCATION sy-vline 
WA_SDMCC_CHGITEM_STR-SHIPPINGPOINT sy-vline 
WA_SDMCC_CHGITEM_STR-SHIPPINGTYPE sy-vline 
WA_SDMCC_CHGITEM_STR-ROUTE sy-vline 
WA_SDMCC_CHGITEM_STR-BILLINGDOCUMENTDATE sy-vline 
WA_SDMCC_CHGITEM_STR-PRICINGDATE sy-vline 
WA_SDMCC_CHGITEM_STR-REQUESTEDDELIVERYDATE sy-vline 
WA_SDMCC_CHGITEM_STR-ITEMBILLINGBLOCKREASON sy-vline 
WA_SDMCC_CHGITEM_STR-SALESDOCUMENTRJCNREASON sy-vline 
WA_SDMCC_CHGITEM_STR-EXPDDELIVQUANTITYCHANGEREASON sy-vline 
WA_SDMCC_CHGITEM_STR-RETURNREASON sy-vline 
WA_SDMCC_CHGITEM_STR-CUSTRETITMFOLLOWUPACTIVITY sy-vline 
WA_SDMCC_CHGITEM_STR-INCOTERMSCLASSIFICATION sy-vline 
WA_SDMCC_CHGITEM_STR-INCOTERMSTRANSFERLOCATION sy-vline 
WA_SDMCC_CHGITEM_STR-INCOTERMSLOCATION1 sy-vline 
WA_SDMCC_CHGITEM_STR-INCOTERMSLOCATION2 sy-vline 
WA_SDMCC_CHGITEM_STR-INCOTERMSVERSION sy-vline 
WA_SDMCC_CHGITEM_STR-DELIVERYBLOCKREASON sy-vline 
WA_SDMCC_CHGITEM_STR-WBSELEMENTINTERNALID sy-vline 
WA_SDMCC_CHGITEM_STR-PURCHASEORDERBYCUSTOMER sy-vline 
WA_SDMCC_CHGITEM_STR-CUSTOMERPURCHASEORDERDATE sy-vline 
WA_SDMCC_CHGITEM_STR-TRANSACTIONCURRENCY sy-vline 
WA_SDMCC_CHGITEM_STR-MATERIALBYCUSTOMER sy-vline 
WA_SDMCC_CHGITEM_STR-PRICINGTYPE sy-vline 
WA_SDMCC_CHGITEM_STR-PROFITCENTER sy-vline 
WA_SDMCC_CHGITEM_STR-WBSELEMENTEXTERNALID sy-vline 
WA_SDMCC_CHGITEM_STR-DUMMY_SLSDOCITEM_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.