ABAP Select data from SAP table /CFG/S_BCW_ACT 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_ACT 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_ACT. 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_ACT 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_ACT TYPE STANDARD TABLE OF /CFG/S_BCW_ACT,
      WA_/CFG/S_BCW_ACT TYPE /CFG/S_BCW_ACT,
      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_ACT> TYPE /CFG/S_BCW_ACT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /CFG/S_BCW_ACT
*  INTO TABLE @DATA(IT_/CFG/S_BCW_ACT2).
*--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_ACT INDEX 1 INTO DATA(WA_/CFG/S_BCW_ACT2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/CFG/S_BCW_ACT-TARGET_CONF_ENT, sy-vline,
  WA_/CFG/S_BCW_ACT-CONTAINING_ENTITY, sy-vline,
  WA_/CFG/S_BCW_ACT-CONTENT_VERSION, sy-vline,
  WA_/CFG/S_BCW_ACT-CONTENT_OWNER, sy-vline,
  WA_/CFG/S_BCW_ACT-CONDITION_EXPR, sy-vline,
  WA_/CFG/S_BCW_ACT-ON_DEMAND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/CFG/S_BCW_ACT 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_ACT 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_ACT INTO WA_/CFG/S_BCW_ACT.


*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_ACT-CREATED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CFG/S_BCW_ACT-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_ACT-CHANGED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CFG/S_BCW_ACT-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_ACT_STR, 
ID TYPE STRING,
CONTEXT TYPE STRING,
VERSION TYPE STRING,
TYPE TYPE STRING,
TARGET_DS TYPE STRING,
TARGET_CONF_ENT TYPE STRING,
CONTAINING_ENTITY TYPE STRING,
CONTENT_VERSION TYPE STRING,
CONTENT_OWNER TYPE STRING,
CONDITION_EXPR TYPE STRING,
ON_DEMAND TYPE STRING,
MANUAL_EXECUTION TYPE STRING,
CONTENT_CLASS TYPE STRING,
CONTENT_USAGE TYPE STRING,
FROM_OBJECT_ID TYPE STRING,
FROM_OBJECT_TYPE TYPE STRING,
VALUE TYPE STRING,
MAY_INSERT TYPE STRING,
MAY_DELETE TYPE STRING,
MAY_MODIFY TYPE STRING,
RELEASE_STATUS TYPE STRING,
DEVCLASS TYPE STRING,
INSTALLATION_DATA TYPE STRING,
COMPLETION TYPE STRING,
REQUIRES_MANUAL_REWORK TYPE STRING,
NO_REF_CONT TYPE STRING,
OWNER_NAME TYPE STRING,
MRR_FROZE 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,
NAME TYPE STRING,
DESCRIPTION TYPE STRING,
DOCUMENTATION TYPE STRING,
IS_RELEVANT TYPE STRING,
HAS_DRFAT TYPE STRING,
ORG_VERSION TYPE STRING,
IS_LOCAL TYPE STRING,
RELEVANCE TYPE STRING,
IS_RELEASED TYPE STRING,
DEF_CTX TYPE STRING,
IMG_ACT_ID TYPE STRING,
FUNC_AREA TYPE STRING,
CUS_OBJ TYPE STRING,
SUB_OBJ TYPE STRING,
BCS_ID TYPE STRING,
BCS_TABNAME TYPE STRING,
BCS_TABTEXT TYPE STRING,
ECA_ID TYPE STRING,
ABAP_ID TYPE STRING,
IMG_DESC TYPE STRING,
ACT_DESC TYPE STRING,
ACTIVATION_ADAPTER TYPE STRING,
EXPANDABLE TYPE STRING,
STANDALONE TYPE STRING,
PARENT TYPE STRING,
SEQUENCE TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
CHANGED_BY_NAME TYPE STRING,
CHANGED_AT_UI TYPE STRING,
DELETABLE TYPE STRING,
EDITABLE TYPE STRING,
MESSAGE TYPE STRING,
SUB_OBJ_LIST TYPE STRING,
IN_DATASET TYPE STRING,
CUS_DESC TYPE STRING,
PARENT_BB_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/CFG/S_BCW_ACT_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_ACT_STR-ID sy-vline 
WA_/CFG/S_BCW_ACT_STR-CONTEXT sy-vline 
WA_/CFG/S_BCW_ACT_STR-VERSION sy-vline 
WA_/CFG/S_BCW_ACT_STR-TYPE sy-vline 
WA_/CFG/S_BCW_ACT_STR-TARGET_DS sy-vline 
WA_/CFG/S_BCW_ACT_STR-TARGET_CONF_ENT sy-vline 
WA_/CFG/S_BCW_ACT_STR-CONTAINING_ENTITY sy-vline 
WA_/CFG/S_BCW_ACT_STR-CONTENT_VERSION sy-vline 
WA_/CFG/S_BCW_ACT_STR-CONTENT_OWNER sy-vline 
WA_/CFG/S_BCW_ACT_STR-CONDITION_EXPR sy-vline 
WA_/CFG/S_BCW_ACT_STR-ON_DEMAND sy-vline 
WA_/CFG/S_BCW_ACT_STR-MANUAL_EXECUTION sy-vline 
WA_/CFG/S_BCW_ACT_STR-CONTENT_CLASS sy-vline 
WA_/CFG/S_BCW_ACT_STR-CONTENT_USAGE sy-vline 
WA_/CFG/S_BCW_ACT_STR-FROM_OBJECT_ID sy-vline 
WA_/CFG/S_BCW_ACT_STR-FROM_OBJECT_TYPE sy-vline 
WA_/CFG/S_BCW_ACT_STR-VALUE sy-vline 
WA_/CFG/S_BCW_ACT_STR-MAY_INSERT sy-vline 
WA_/CFG/S_BCW_ACT_STR-MAY_DELETE sy-vline 
WA_/CFG/S_BCW_ACT_STR-MAY_MODIFY sy-vline 
WA_/CFG/S_BCW_ACT_STR-RELEASE_STATUS sy-vline 
WA_/CFG/S_BCW_ACT_STR-DEVCLASS sy-vline 
WA_/CFG/S_BCW_ACT_STR-INSTALLATION_DATA sy-vline 
WA_/CFG/S_BCW_ACT_STR-COMPLETION sy-vline 
WA_/CFG/S_BCW_ACT_STR-REQUIRES_MANUAL_REWORK sy-vline 
WA_/CFG/S_BCW_ACT_STR-NO_REF_CONT sy-vline 
WA_/CFG/S_BCW_ACT_STR-OWNER_NAME sy-vline 
WA_/CFG/S_BCW_ACT_STR-MRR_FROZE sy-vline 
WA_/CFG/S_BCW_ACT_STR-COMPONENT sy-vline 
WA_/CFG/S_BCW_ACT_STR-LOCALIZATION sy-vline 
WA_/CFG/S_BCW_ACT_STR-DEPLOYMENT sy-vline 
WA_/CFG/S_BCW_ACT_STR-USECASE sy-vline 
WA_/CFG/S_BCW_ACT_STR-COMPONENT_TEXT sy-vline 
WA_/CFG/S_BCW_ACT_STR-LOCALIZATION_TEXT sy-vline 
WA_/CFG/S_BCW_ACT_STR-DEPLOYMENT_TEXT sy-vline 
WA_/CFG/S_BCW_ACT_STR-USECASE_TEXT sy-vline 
WA_/CFG/S_BCW_ACT_STR-FEATURE sy-vline 
WA_/CFG/S_BCW_ACT_STR-NAME sy-vline 
WA_/CFG/S_BCW_ACT_STR-DESCRIPTION sy-vline 
WA_/CFG/S_BCW_ACT_STR-DOCUMENTATION sy-vline 
WA_/CFG/S_BCW_ACT_STR-IS_RELEVANT sy-vline 
WA_/CFG/S_BCW_ACT_STR-HAS_DRFAT sy-vline 
WA_/CFG/S_BCW_ACT_STR-ORG_VERSION sy-vline 
WA_/CFG/S_BCW_ACT_STR-IS_LOCAL sy-vline 
WA_/CFG/S_BCW_ACT_STR-RELEVANCE sy-vline 
WA_/CFG/S_BCW_ACT_STR-IS_RELEASED sy-vline 
WA_/CFG/S_BCW_ACT_STR-DEF_CTX sy-vline 
WA_/CFG/S_BCW_ACT_STR-IMG_ACT_ID sy-vline 
WA_/CFG/S_BCW_ACT_STR-FUNC_AREA sy-vline 
WA_/CFG/S_BCW_ACT_STR-CUS_OBJ sy-vline 
WA_/CFG/S_BCW_ACT_STR-SUB_OBJ sy-vline 
WA_/CFG/S_BCW_ACT_STR-BCS_ID sy-vline 
WA_/CFG/S_BCW_ACT_STR-BCS_TABNAME sy-vline 
WA_/CFG/S_BCW_ACT_STR-BCS_TABTEXT sy-vline 
WA_/CFG/S_BCW_ACT_STR-ECA_ID sy-vline 
WA_/CFG/S_BCW_ACT_STR-ABAP_ID sy-vline 
WA_/CFG/S_BCW_ACT_STR-IMG_DESC sy-vline 
WA_/CFG/S_BCW_ACT_STR-ACT_DESC sy-vline 
WA_/CFG/S_BCW_ACT_STR-ACTIVATION_ADAPTER sy-vline 
WA_/CFG/S_BCW_ACT_STR-EXPANDABLE sy-vline 
WA_/CFG/S_BCW_ACT_STR-STANDALONE sy-vline 
WA_/CFG/S_BCW_ACT_STR-PARENT sy-vline 
WA_/CFG/S_BCW_ACT_STR-SEQUENCE sy-vline 
WA_/CFG/S_BCW_ACT_STR-CREATED_BY sy-vline 
WA_/CFG/S_BCW_ACT_STR-CREATED_AT sy-vline 
WA_/CFG/S_BCW_ACT_STR-CHANGED_BY sy-vline 
WA_/CFG/S_BCW_ACT_STR-CHANGED_AT sy-vline 
WA_/CFG/S_BCW_ACT_STR-CHANGED_BY_NAME sy-vline 
WA_/CFG/S_BCW_ACT_STR-CHANGED_AT_UI sy-vline 
WA_/CFG/S_BCW_ACT_STR-DELETABLE sy-vline 
WA_/CFG/S_BCW_ACT_STR-EDITABLE sy-vline 
WA_/CFG/S_BCW_ACT_STR-MESSAGE sy-vline 
WA_/CFG/S_BCW_ACT_STR-SUB_OBJ_LIST sy-vline 
WA_/CFG/S_BCW_ACT_STR-IN_DATASET sy-vline 
WA_/CFG/S_BCW_ACT_STR-CUS_DESC sy-vline 
WA_/CFG/S_BCW_ACT_STR-PARENT_BB_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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