ABAP Select data from SAP table RCF_S_ACT_BGC_DATA_PL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RCF_S_ACT_BGC_DATA_PL 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 RCF_S_ACT_BGC_DATA_PL. 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 RCF_S_ACT_BGC_DATA_PL 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_RCF_S_ACT_BGC_DATA_PL TYPE STANDARD TABLE OF RCF_S_ACT_BGC_DATA_PL,
      WA_RCF_S_ACT_BGC_DATA_PL TYPE RCF_S_ACT_BGC_DATA_PL,
      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: <RCF_S_ACT_BGC_DATA_PL> TYPE RCF_S_ACT_BGC_DATA_PL.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RCF_S_ACT_BGC_DATA_PL
  INTO TABLE IT_RCF_S_ACT_BGC_DATA_PL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCF_S_ACT_BGC_DATA_PL
*  INTO TABLE @DATA(IT_RCF_S_ACT_BGC_DATA_PL2).
*--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_RCF_S_ACT_BGC_DATA_PL INDEX 1 INTO DATA(WA_RCF_S_ACT_BGC_DATA_PL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RCF_S_ACT_BGC_DATA_PL ASSIGNING <RCF_S_ACT_BGC_DATA_PL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RCF_S_ACT_BGC_DATA_PL>-PLVAR = 1.
<RCF_S_ACT_BGC_DATA_PL>-OTYPE = 1.
<RCF_S_ACT_BGC_DATA_PL>-OBJID = 1.
<RCF_S_ACT_BGC_DATA_PL>-ACT_GUID = 1.
<RCF_S_ACT_BGC_DATA_PL>-ACT_TYPE = 1.

ENDLOOP.

LOOP AT IT_RCF_S_ACT_BGC_DATA_PL INTO WA_RCF_S_ACT_BGC_DATA_PL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RCF_S_ACT_BGC_DATA_PL-ACT_TYPE_TXT, sy-vline,
  WA_RCF_S_ACT_BGC_DATA_PL-STATUS, sy-vline,
  WA_RCF_S_ACT_BGC_DATA_PL-DUE_DATE, sy-vline,
  WA_RCF_S_ACT_BGC_DATA_PL-RES_PERNR, sy-vline,
  WA_RCF_S_ACT_BGC_DATA_PL-RES_UNAME, sy-vline,
  WA_RCF_S_ACT_BGC_DATA_PL-RES_NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RCF_S_ACT_BGC_DATA_PL 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_RCF_S_ACT_BGC_DATA_PL 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_RCF_S_ACT_BGC_DATA_PL INTO WA_RCF_S_ACT_BGC_DATA_PL.


*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 VENDOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RCF_S_ACT_BGC_DATA_PL-VENDOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCF_S_ACT_BGC_DATA_PL-VENDOR.
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_RCF_S_ACT_BGC_DATA_PL_STR, 
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
ACT_GUID TYPE STRING,
ACT_TYPE TYPE STRING,
ACT_TYPE_TXT TYPE STRING,
STATUS TYPE STRING,
DUE_DATE TYPE STRING,
RES_PERNR TYPE STRING,
RES_UNAME TYPE STRING,
RES_NAME TYPE STRING,
DATE_EXECUTED TYPE STRING,
EXECUTER TYPE STRING,
EXECUTER_NAME TYPE STRING,
ACT_PROC TYPE STRING,
ACT_PROC_TXT TYPE STRING,
LAST_CHANGED TYPE STRING,
LAST_CHANGED_BY TYPE STRING,
LAST_CHANGED_BY_NAME TYPE STRING,
CREATED_ON TYPE STRING,
CREATOR TYPE STRING,
CREATOR_NAME TYPE STRING,
NOTE TYPE STRING,
NOTE_TXT TYPE STRING,
VENDOR TYPE STRING,
VENDOR_TXT TYPE STRING,
PACKAGE_ID TYPE STRING,
PACKAGE_TXT TYPE STRING,
VENDOR_ORDER_ID TYPE STRING,
ORDER_STATUS_ON TYPE STRING,
REQUESTED_ON TYPE STRING,
ORDER_STATUS TYPE STRING,
ORDER_STATUS_TXT TYPE STRING,
RESULT_STATUS TYPE STRING,
RESULT_STATUS_TXT TYPE STRING,
ORDERED_BY TYPE STRING,
RECEIVED_ON TYPE STRING,
VENDOR_RESULT TYPE STRING,
VENDOR_RESULT_TXT TYPE STRING,
SSD_GUID TYPE STRING,
CDCY_HROBJECT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
CDCY_CREATE_DATE TYPE STRING,
CDCY_STATUS TYPE STRING,
CDCY_STATUS_TXT TYPE STRING,
REQ_HEADER TYPE STRING,
REQ_HROBJECT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
REQ_TYPE TYPE STRING,
REQ_TYPE_TXT TYPE STRING,
CAND_NAME TYPE STRING,
CAND_HROBJECT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
APPL_HROBJECT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
APPL_DATE TYPE STRING,
IS_EMPLOYEE TYPE STRING,
EMPLOYEEID TYPE STRING,
IS_APPLICATION TYPE STRING,
IS_ORIG_CDCY TYPE STRING,
APPL_SOURCE TYPE STRING,
APPL_SOURCE_TXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCF_S_ACT_BGC_DATA_PL_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_RCF_S_ACT_BGC_DATA_PL_STR-PLVAR sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-OTYPE sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-OBJID sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-ACT_GUID sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-ACT_TYPE sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-ACT_TYPE_TXT sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-STATUS sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-DUE_DATE sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-RES_PERNR sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-RES_UNAME sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-RES_NAME sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-DATE_EXECUTED sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-EXECUTER sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-EXECUTER_NAME sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-ACT_PROC sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-ACT_PROC_TXT sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-LAST_CHANGED sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-LAST_CHANGED_BY sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-LAST_CHANGED_BY_NAME sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-CREATED_ON sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-CREATOR sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-CREATOR_NAME sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-NOTE sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-NOTE_TXT sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-VENDOR sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-VENDOR_TXT sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-PACKAGE_ID sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-PACKAGE_TXT sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-VENDOR_ORDER_ID sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-ORDER_STATUS_ON sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-REQUESTED_ON sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-ORDER_STATUS sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-ORDER_STATUS_TXT sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-RESULT_STATUS sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-RESULT_STATUS_TXT sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-ORDERED_BY sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-RECEIVED_ON sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-VENDOR_RESULT sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-VENDOR_RESULT_TXT sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-SSD_GUID sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-CDCY_HROBJECT sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-PLVAR sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-OTYPE sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-OBJID sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-CDCY_CREATE_DATE sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-CDCY_STATUS sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-CDCY_STATUS_TXT sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-REQ_HEADER sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-REQ_HROBJECT sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-PLVAR sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-OTYPE sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-OBJID sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-REQ_TYPE sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-REQ_TYPE_TXT sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-CAND_NAME sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-CAND_HROBJECT sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-PLVAR sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-OTYPE sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-OBJID sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-APPL_HROBJECT sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-PLVAR sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-OTYPE sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-OBJID sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-APPL_DATE sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-IS_EMPLOYEE sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-EMPLOYEEID sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-IS_APPLICATION sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-IS_ORIG_CDCY sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-APPL_SOURCE sy-vline 
WA_RCF_S_ACT_BGC_DATA_PL_STR-APPL_SOURCE_TXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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