ABAP Select data from SAP table /CFG/S_BCW_REC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /CFG/S_BCW_REC
*  INTO TABLE @DATA(IT_/CFG/S_BCW_REC2).
*--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_/CFG/S_BCW_REC INDEX 1 INTO DATA(WA_/CFG/S_BCW_REC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</CFG/S_BCW_REC>-ID = 1.
</CFG/S_BCW_REC>-CONTEXT = 1.
</CFG/S_BCW_REC>-VERSION = 1.
</CFG/S_BCW_REC>-DS_ID = 1.
</CFG/S_BCW_REC>-DESCRIPTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/CFG/S_BCW_REC-CONTENT_CLASS, sy-vline,
  WA_/CFG/S_BCW_REC-CONTENT_USAGE, sy-vline,
  WA_/CFG/S_BCW_REC-FROM_OBJECT_ID, sy-vline,
  WA_/CFG/S_BCW_REC-FROM_OBJECT_TYPE, sy-vline,
  WA_/CFG/S_BCW_REC-VALUE, sy-vline,
  WA_/CFG/S_BCW_REC-MAY_DELETE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/CFG/S_BCW_REC 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_/CFG/S_BCW_REC 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_/CFG/S_BCW_REC INTO WA_/CFG/S_BCW_REC.


*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 CREATED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/CFG/S_BCW_REC-CREATED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CFG/S_BCW_REC-CREATED_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/CFG/S_BCW_REC-CHANGED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CFG/S_BCW_REC-CHANGED_AT.
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_/CFG/S_BCW_REC_STR, 
ID TYPE STRING,
CONTEXT TYPE STRING,
VERSION TYPE STRING,
DS_ID TYPE STRING,
DESCRIPTION TYPE STRING,
CONTENT_CLASS TYPE STRING,
CONTENT_USAGE TYPE STRING,
FROM_OBJECT_ID TYPE STRING,
FROM_OBJECT_TYPE TYPE STRING,
VALUE TYPE STRING,
MAY_DELETE TYPE STRING,
MAY_MODIFY TYPE STRING,
MAY_DELETES TYPE STRING,
FROM_OBJECT_ID TYPE STRING,
FROM_OBJECT_TYPE TYPE STRING,
VALUE TYPE STRING,
MAY_MODIFIES TYPE STRING,
FROM_OBJECT_ID TYPE STRING,
FROM_OBJECT_TYPE TYPE STRING,
VALUE TYPE STRING,
CONTENT_OWNER TYPE STRING,
LIFECYCLE TYPE STRING,
DEVCLASS TYPE STRING,
OWNER_NAME TYPE STRING,
IS_SELECTED TYPE STRING,
IS_CI TYPE STRING,
PARENT_ID TYPE STRING,
PARENT_TYPE TYPE STRING,
LOC_CONFLICT TYPE STRING,
DEF_CTX TYPE STRING,
INHERITED TYPE STRING,
CELLJSON TYPE STRING,
CELLS TYPE STRING,
MESSAGE TYPE STRING,
ETAG TYPE STRING,
COMPONENT TYPE STRING,
LOCALIZATION TYPE STRING,
DEPLOYMENT TYPE STRING,
USECASE TYPE STRING,
COMPONENT_TEXT TYPE STRING,
LOCALIZATION_TEXT TYPE STRING,
DEPLOYMENT_TEXT TYPE STRING,
USECASE_TEXT TYPE STRING,
FEATURE TYPE STRING,
DELETABLE TYPE STRING,
EDITABLE TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
CONTENT_USAGE_INCONSISTENT TYPE STRING,
IS_TEMPLATE_USED TYPE STRING,
IS_LOCAL TYPE STRING,
REC_CEL_METADATA TYPE STRING,
REC_CEL_PERMISSION TYPE STRING,
REC_CEL_VAL_VAR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/CFG/S_BCW_REC_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_/CFG/S_BCW_REC_STR-ID sy-vline 
WA_/CFG/S_BCW_REC_STR-CONTEXT sy-vline 
WA_/CFG/S_BCW_REC_STR-VERSION sy-vline 
WA_/CFG/S_BCW_REC_STR-DS_ID sy-vline 
WA_/CFG/S_BCW_REC_STR-DESCRIPTION sy-vline 
WA_/CFG/S_BCW_REC_STR-CONTENT_CLASS sy-vline 
WA_/CFG/S_BCW_REC_STR-CONTENT_USAGE sy-vline 
WA_/CFG/S_BCW_REC_STR-FROM_OBJECT_ID sy-vline 
WA_/CFG/S_BCW_REC_STR-FROM_OBJECT_TYPE sy-vline 
WA_/CFG/S_BCW_REC_STR-VALUE sy-vline 
WA_/CFG/S_BCW_REC_STR-MAY_DELETE sy-vline 
WA_/CFG/S_BCW_REC_STR-MAY_MODIFY sy-vline 
WA_/CFG/S_BCW_REC_STR-MAY_DELETES sy-vline 
WA_/CFG/S_BCW_REC_STR-FROM_OBJECT_ID sy-vline 
WA_/CFG/S_BCW_REC_STR-FROM_OBJECT_TYPE sy-vline 
WA_/CFG/S_BCW_REC_STR-VALUE sy-vline 
WA_/CFG/S_BCW_REC_STR-MAY_MODIFIES sy-vline 
WA_/CFG/S_BCW_REC_STR-FROM_OBJECT_ID sy-vline 
WA_/CFG/S_BCW_REC_STR-FROM_OBJECT_TYPE sy-vline 
WA_/CFG/S_BCW_REC_STR-VALUE sy-vline 
WA_/CFG/S_BCW_REC_STR-CONTENT_OWNER sy-vline 
WA_/CFG/S_BCW_REC_STR-LIFECYCLE sy-vline 
WA_/CFG/S_BCW_REC_STR-DEVCLASS sy-vline 
WA_/CFG/S_BCW_REC_STR-OWNER_NAME sy-vline 
WA_/CFG/S_BCW_REC_STR-IS_SELECTED sy-vline 
WA_/CFG/S_BCW_REC_STR-IS_CI sy-vline 
WA_/CFG/S_BCW_REC_STR-PARENT_ID sy-vline 
WA_/CFG/S_BCW_REC_STR-PARENT_TYPE sy-vline 
WA_/CFG/S_BCW_REC_STR-LOC_CONFLICT sy-vline 
WA_/CFG/S_BCW_REC_STR-DEF_CTX sy-vline 
WA_/CFG/S_BCW_REC_STR-INHERITED sy-vline 
WA_/CFG/S_BCW_REC_STR-CELLJSON sy-vline 
WA_/CFG/S_BCW_REC_STR-CELLS sy-vline 
WA_/CFG/S_BCW_REC_STR-MESSAGE sy-vline 
WA_/CFG/S_BCW_REC_STR-ETAG sy-vline 
WA_/CFG/S_BCW_REC_STR-COMPONENT sy-vline 
WA_/CFG/S_BCW_REC_STR-LOCALIZATION sy-vline 
WA_/CFG/S_BCW_REC_STR-DEPLOYMENT sy-vline 
WA_/CFG/S_BCW_REC_STR-USECASE sy-vline 
WA_/CFG/S_BCW_REC_STR-COMPONENT_TEXT sy-vline 
WA_/CFG/S_BCW_REC_STR-LOCALIZATION_TEXT sy-vline 
WA_/CFG/S_BCW_REC_STR-DEPLOYMENT_TEXT sy-vline 
WA_/CFG/S_BCW_REC_STR-USECASE_TEXT sy-vline 
WA_/CFG/S_BCW_REC_STR-FEATURE sy-vline 
WA_/CFG/S_BCW_REC_STR-DELETABLE sy-vline 
WA_/CFG/S_BCW_REC_STR-EDITABLE sy-vline 
WA_/CFG/S_BCW_REC_STR-CREATED_BY sy-vline 
WA_/CFG/S_BCW_REC_STR-CREATED_AT sy-vline 
WA_/CFG/S_BCW_REC_STR-CHANGED_BY sy-vline 
WA_/CFG/S_BCW_REC_STR-CHANGED_AT sy-vline 
WA_/CFG/S_BCW_REC_STR-CONTENT_USAGE_INCONSISTENT sy-vline 
WA_/CFG/S_BCW_REC_STR-IS_TEMPLATE_USED sy-vline 
WA_/CFG/S_BCW_REC_STR-IS_LOCAL sy-vline 
WA_/CFG/S_BCW_REC_STR-REC_CEL_METADATA sy-vline 
WA_/CFG/S_BCW_REC_STR-REC_CEL_PERMISSION sy-vline 
WA_/CFG/S_BCW_REC_STR-REC_CEL_VAL_VAR sy-vline      INTO ld_text SEPARATED BY SPACE.

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