ABAP Select data from SAP table /SCDL/S_ADF_NODE_ATTR_COMPL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SCDL/S_ADF_NODE_ATTR_COMPL 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 /SCDL/S_ADF_NODE_ATTR_COMPL. 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 /SCDL/S_ADF_NODE_ATTR_COMPL 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_/SCDL/S_ADF_NODE_ATTR_COMPL TYPE STANDARD TABLE OF /SCDL/S_ADF_NODE_ATTR_COMPL,
      WA_/SCDL/S_ADF_NODE_ATTR_COMPL TYPE /SCDL/S_ADF_NODE_ATTR_COMPL,
      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: </SCDL/S_ADF_NODE_ATTR_COMPL> TYPE /SCDL/S_ADF_NODE_ATTR_COMPL.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCDL/S_ADF_NODE_ATTR_COMPL
  INTO TABLE IT_/SCDL/S_ADF_NODE_ATTR_COMPL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCDL/S_ADF_NODE_ATTR_COMPL
*  INTO TABLE @DATA(IT_/SCDL/S_ADF_NODE_ATTR_COMPL2).
*--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_/SCDL/S_ADF_NODE_ATTR_COMPL INDEX 1 INTO DATA(WA_/SCDL/S_ADF_NODE_ATTR_COMPL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SCDL/S_ADF_NODE_ATTR_COMPL ASSIGNING </SCDL/S_ADF_NODE_ATTR_COMPL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCDL/S_ADF_NODE_ATTR_COMPL>-DOCUMENT = 1.
</SCDL/S_ADF_NODE_ATTR_COMPL>-ITEM = 1.
</SCDL/S_ADF_NODE_ATTR_COMPL>-PRODUCT = 1.
</SCDL/S_ADF_NODE_ATTR_COMPL>-PRODLOGSY = 1.
</SCDL/S_ADF_NODE_ATTR_COMPL>-PRODGUID = 1.

ENDLOOP.

LOOP AT IT_/SCDL/S_ADF_NODE_ATTR_COMPL INTO WA_/SCDL/S_ADF_NODE_ATTR_COMPL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCDL/S_ADF_NODE_ATTR_COMPL-PRODBSKEY, sy-vline,
  WA_/SCDL/S_ADF_NODE_ATTR_COMPL-DOCID, sy-vline,
  WA_/SCDL/S_ADF_NODE_ATTR_COMPL-ITEM_COMPL, sy-vline,
  WA_/SCDL/S_ADF_NODE_ATTR_COMPL-DOC_QTY, sy-vline,
  WA_/SCDL/S_ADF_NODE_ATTR_COMPL-DOC_UOM, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_/SCDL/S_ADF_NODE_ATTR_COMPL 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_/SCDL/S_ADF_NODE_ATTR_COMPL 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_/SCDL/S_ADF_NODE_ATTR_COMPL INTO WA_/SCDL/S_ADF_NODE_ATTR_COMPL.


*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 ITEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCDL/S_ADF_NODE_ATTR_COMPL-ITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCDL/S_ADF_NODE_ATTR_COMPL-ITEM.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field DOC_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCDL/S_ADF_NODE_ATTR_COMPL-DOC_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCDL/S_ADF_NODE_ATTR_COMPL-DOC_UOM.
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_/SCDL/S_ADF_NODE_ATTR_COMPL_STR, 
DOCUMENT TYPE STRING,
ITEM TYPE STRING,
PRODUCT TYPE STRING,
PRODLOGSY TYPE STRING,
PRODGUID TYPE STRING,
PRODBSKEY TYPE STRING,
DOCID TYPE STRING,
ITEM_COMPL TYPE STRING,
DOC_QTY TYPE STRING,
DOC_UOM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCDL/S_ADF_NODE_ATTR_COMPL_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_/SCDL/S_ADF_NODE_ATTR_COMPL_STR-DOCUMENT sy-vline 
WA_/SCDL/S_ADF_NODE_ATTR_COMPL_STR-ITEM sy-vline 
WA_/SCDL/S_ADF_NODE_ATTR_COMPL_STR-PRODUCT sy-vline 
WA_/SCDL/S_ADF_NODE_ATTR_COMPL_STR-PRODLOGSY sy-vline 
WA_/SCDL/S_ADF_NODE_ATTR_COMPL_STR-PRODGUID sy-vline 
WA_/SCDL/S_ADF_NODE_ATTR_COMPL_STR-PRODBSKEY sy-vline 
WA_/SCDL/S_ADF_NODE_ATTR_COMPL_STR-DOCID sy-vline 
WA_/SCDL/S_ADF_NODE_ATTR_COMPL_STR-ITEM_COMPL sy-vline 
WA_/SCDL/S_ADF_NODE_ATTR_COMPL_STR-DOC_QTY sy-vline 
WA_/SCDL/S_ADF_NODE_ATTR_COMPL_STR-DOC_UOM sy-vline      INTO ld_text SEPARATED BY SPACE.

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