ABAP Select data from SAP table /BOBF/S_CONF_MODEL_API_ACT_F 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_ACT_F 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_ACT_F. 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_ACT_F 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_ACT_F TYPE STANDARD TABLE OF /BOBF/S_CONF_MODEL_API_ACT_F,
      WA_/BOBF/S_CONF_MODEL_API_ACT_F TYPE /BOBF/S_CONF_MODEL_API_ACT_F,
      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_ACT_F> TYPE /BOBF/S_CONF_MODEL_API_ACT_F.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BOBF/S_CONF_MODEL_API_ACT_F
*  INTO TABLE @DATA(IT_/BOBF/S_CONF_MODEL_API_ACT_F2).
*--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_ACT_F INDEX 1 INTO DATA(WA_/BOBF/S_CONF_MODEL_API_ACT_F2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BOBF/S_CONF_MODEL_API_ACT_F>-ACT_KEY = 1.
</BOBF/S_CONF_MODEL_API_ACT_F>-NODE_KEY = 1.
</BOBF/S_CONF_MODEL_API_ACT_F>-NODE_NAME = 1.
</BOBF/S_CONF_MODEL_API_ACT_F>-ACT_NAME = 1.
</BOBF/S_CONF_MODEL_API_ACT_F>-ACT_CARDINALITY = 1.

ENDLOOP.

LOOP AT IT_/BOBF/S_CONF_MODEL_API_ACT_F INTO WA_/BOBF/S_CONF_MODEL_API_ACT_F.
*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_ACT_F-ACT_CLASS, sy-vline,
  WA_/BOBF/S_CONF_MODEL_API_ACT_F-PARAM_DATA_TYPE, sy-vline,
  WA_/BOBF/S_CONF_MODEL_API_ACT_F-PARAM_CDS_ABSTRACT_ENTITY, sy-vline,
  WA_/BOBF/S_CONF_MODEL_API_ACT_F-DESCRIPTION, sy-vline,
  WA_/BOBF/S_CONF_MODEL_API_ACT_F-EXTENDIBLE, sy-vline,
  WA_/BOBF/S_CONF_MODEL_API_ACT_F-EXPORT_PARAM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BOBF/S_CONF_MODEL_API_ACT_F 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_ACT_F 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_ACT_F INTO WA_/BOBF/S_CONF_MODEL_API_ACT_F.


*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_ACT_F-CREATE_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BOBF/S_CONF_MODEL_API_ACT_F-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_ACT_F-CHANGE_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BOBF/S_CONF_MODEL_API_ACT_F-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_ACT_F_STR, 
ACT_KEY TYPE STRING,
NODE_KEY TYPE STRING,
NODE_NAME TYPE STRING,
ACT_NAME TYPE STRING,
ACT_CARDINALITY TYPE STRING,
ACT_CLASS TYPE STRING,
PARAM_DATA_TYPE TYPE STRING,
PARAM_CDS_ABSTRACT_ENTITY TYPE STRING,
DESCRIPTION TYPE STRING,
EXTENDIBLE TYPE STRING,
EXPORT_PARAM TYPE STRING,
EXPORT_PARAM_S TYPE STRING,
EXPORT_PARAM_TT TYPE STRING,
EXPORT_PARAM_CDS_ABSTR_ENTITY TYPE STRING,
EXPORT_PARAM_BO TYPE STRING,
EXPORT_PARAM_ND TYPE STRING,
EXPORT_CARDINALITY TYPE STRING,
ACT_ANNOTATION TYPE STRING,
EXPORT_PARAM_LINK_TO_INSTANCE TYPE STRING,
BDEF_EXTERNAL_NAME TYPE STRING,
BDEF_LOCK_MODE TYPE STRING,
ACT_CAT TYPE STRING,
BASE_ACTION_KEY TYPE STRING,
BASE_ACTION_NAME TYPE STRING,
EXTENSION TYPE STRING,
ORIGIN_BO_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_ACT_F_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_ACT_F_STR-ACT_KEY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-NODE_KEY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-NODE_NAME sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-ACT_NAME sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-ACT_CARDINALITY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-ACT_CLASS sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-PARAM_DATA_TYPE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-PARAM_CDS_ABSTRACT_ENTITY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-DESCRIPTION sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-EXTENDIBLE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-EXPORT_PARAM sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-EXPORT_PARAM_S sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-EXPORT_PARAM_TT sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-EXPORT_PARAM_CDS_ABSTR_ENTITY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-EXPORT_PARAM_BO sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-EXPORT_PARAM_ND sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-EXPORT_CARDINALITY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-ACT_ANNOTATION sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-EXPORT_PARAM_LINK_TO_INSTANCE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-BDEF_EXTERNAL_NAME sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-BDEF_LOCK_MODE sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-ACT_CAT sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-BASE_ACTION_KEY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-BASE_ACTION_NAME sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-EXTENSION sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-ORIGIN_BO_KEY sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-OBJECT_MODEL_GENERATED sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-CREATE_USER sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-CREATE_TIME sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_STR-CHANGE_USER sy-vline 
WA_/BOBF/S_CONF_MODEL_API_ACT_F_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.