ABAP Select data from SAP table /BOBF/S_CONF_MODEL_API_NODE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BOBF/S_CONF_MODEL_API_NODE
*  INTO TABLE @DATA(IT_/BOBF/S_CONF_MODEL_API_NODE2).
*--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_/BOBF/S_CONF_MODEL_API_NODE INDEX 1 INTO DATA(WA_/BOBF/S_CONF_MODEL_API_NODE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BOBF/S_CONF_MODEL_API_NODE>-NODE_KEY = 1.
</BOBF/S_CONF_MODEL_API_NODE>-ROOT_NODE_KEY = 1.
</BOBF/S_CONF_MODEL_API_NODE>-PARENT_KEY = 1.
</BOBF/S_CONF_MODEL_API_NODE>-PARENT_NODE_KEY = 1.
</BOBF/S_CONF_MODEL_API_NODE>-NODE_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BOBF/S_CONF_MODEL_API_NODE-EXTENSION, sy-vline,
  WA_/BOBF/S_CONF_MODEL_API_NODE-ORIGIN_BO_KEY, sy-vline,
  WA_/BOBF/S_CONF_MODEL_API_NODE-REF_BO_KEY, sy-vline,
  WA_/BOBF/S_CONF_MODEL_API_NODE-REF_NODE_KEY, sy-vline,
  WA_/BOBF/S_CONF_MODEL_API_NODE-LOCKABLE, sy-vline,
  WA_/BOBF/S_CONF_MODEL_API_NODE-NODE_NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BOBF/S_CONF_MODEL_API_NODE 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_/BOBF/S_CONF_MODEL_API_NODE 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_/BOBF/S_CONF_MODEL_API_NODE INTO WA_/BOBF/S_CONF_MODEL_API_NODE.


*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 TSTLC, internal->external for field CREATE_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/BOBF/S_CONF_MODEL_API_NODE-CREATE_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BOBF/S_CONF_MODEL_API_NODE-CREATE_TIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGE_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/BOBF/S_CONF_MODEL_API_NODE-CHANGE_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BOBF/S_CONF_MODEL_API_NODE-CHANGE_TIME.
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_/BOBF/S_CONF_MODEL_API_NODE_STR, 
NODE_KEY TYPE STRING,
ROOT_NODE_KEY TYPE STRING,
PARENT_KEY TYPE STRING,
PARENT_NODE_KEY TYPE STRING,
NODE_TYPE TYPE STRING,
EXTENSION TYPE STRING,
ORIGIN_BO_KEY TYPE STRING,
REF_BO_KEY TYPE STRING,
REF_NODE_KEY TYPE STRING,
LOCKABLE TYPE STRING,
NODE_NAME TYPE STRING,
EXTENSIBLE TYPE STRING,
TRANSIENT TYPE STRING,
TEXT_NODE TYPE STRING,
DESCRIPTION TYPE STRING,
DATA_DATA_TYPE TYPE STRING,
DATA_DATA_TYPE_T TYPE STRING,
DATA_TYPE TYPE STRING,
DATA_TABLE_TYPE TYPE STRING,
DATABASE_TABLE TYPE STRING,
EXT_INCL_NAME TYPE STRING,
EXT_INCL_NAME_T TYPE STRING,
NODE_CLASS TYPE STRING,
DATA_ACCESS_CLASS TYPE STRING,
AUTH_CHECK_CLASS TYPE STRING,
AUTH_CHECK_RELEVANT TYPE STRING,
DO_KEY TYPE STRING,
DO_EMBEDDING_NAME TYPE STRING,
OBJECT_MODEL_CDS_VIEW_NAME TYPE STRING,
OBJECT_MDL_ACTIVE_PERSISTENCE TYPE STRING,
OBJECT_MODEL_DELETED_IND TYPE STRING,
OBJECT_MDL_LASTSTATECHANGEID TYPE STRING,
DRAFT_CLASS TYPE STRING,
DRAFT_DATA_TYPE TYPE STRING,
OBJECT_MDL_DRAFT_PERSISTENCE TYPE STRING,
DRAFT_PERSISTENCE_KEY_TYPE TYPE STRING,
ACTIVE_PERSISTENCE_KEY_TYPE TYPE STRING,
SEMANTICS_CREATED_AT TYPE STRING,
SEMANTICS_CREATED_AT_DATE TYPE STRING,
SEMANTICS_CREATED_AT_TIME TYPE STRING,
SEMANTICS_CREATED_BY TYPE STRING,
SEMANTICS_LAST_CHANGED_AT TYPE STRING,
SEMANTICS_LAST_CHANGED_AT_DATE TYPE STRING,
SEMANTICS_LAST_CHANGED_AT_TIME TYPE STRING,
SEMANTICS_LAST_CHANGED_BY TYPE STRING,
OBJECT_MODEL_DATA_CATEGORY TYPE STRING,
BDEF_ALIAS_NAME TYPE STRING,
BDEF_NUMBERING TYPE STRING,
DO_EMBEDDING_KEY TYPE STRING,
OBJECT_MODEL_GENERATED TYPE STRING,
CREATE_USER TYPE STRING,
CREATE_TIME TYPE STRING,
CHANGE_USER TYPE STRING,
CHANGE_TIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BOBF/S_CONF_MODEL_API_NODE_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_/BOBF/S_CONF_MODEL_API_NODE_STR-NODE_KEY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-ROOT_NODE_KEY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-PARENT_KEY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-PARENT_NODE_KEY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-NODE_TYPE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-EXTENSION sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-ORIGIN_BO_KEY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-REF_BO_KEY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-REF_NODE_KEY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-LOCKABLE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-NODE_NAME sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-EXTENSIBLE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-TRANSIENT sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-TEXT_NODE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-DESCRIPTION sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-DATA_DATA_TYPE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-DATA_DATA_TYPE_T sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-DATA_TYPE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-DATA_TABLE_TYPE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-DATABASE_TABLE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-EXT_INCL_NAME sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-EXT_INCL_NAME_T sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-NODE_CLASS sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-DATA_ACCESS_CLASS sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-AUTH_CHECK_CLASS sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-AUTH_CHECK_RELEVANT sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-DO_KEY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-DO_EMBEDDING_NAME sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-OBJECT_MODEL_CDS_VIEW_NAME sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-OBJECT_MDL_ACTIVE_PERSISTENCE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-OBJECT_MODEL_DELETED_IND sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-OBJECT_MDL_LASTSTATECHANGEID sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-DRAFT_CLASS sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-DRAFT_DATA_TYPE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-OBJECT_MDL_DRAFT_PERSISTENCE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-DRAFT_PERSISTENCE_KEY_TYPE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-ACTIVE_PERSISTENCE_KEY_TYPE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-SEMANTICS_CREATED_AT sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-SEMANTICS_CREATED_AT_DATE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-SEMANTICS_CREATED_AT_TIME sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-SEMANTICS_CREATED_BY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-SEMANTICS_LAST_CHANGED_AT sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-SEMANTICS_LAST_CHANGED_AT_DATE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-SEMANTICS_LAST_CHANGED_AT_TIME sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-SEMANTICS_LAST_CHANGED_BY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-OBJECT_MODEL_DATA_CATEGORY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-BDEF_ALIAS_NAME sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-BDEF_NUMBERING sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-DO_EMBEDDING_KEY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-OBJECT_MODEL_GENERATED sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-CREATE_USER sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-CREATE_TIME sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-CHANGE_USER sy-vline 
WA_/BOBF/S_CONF_MODEL_API_NODE_STR-CHANGE_TIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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