ABAP Select data from SAP table RCF_S_CS_PROT_INDEX 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_CS_PROT_INDEX 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_CS_PROT_INDEX. 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_CS_PROT_INDEX 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_CS_PROT_INDEX TYPE STANDARD TABLE OF RCF_S_CS_PROT_INDEX,
      WA_RCF_S_CS_PROT_INDEX TYPE RCF_S_CS_PROT_INDEX,
      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_CS_PROT_INDEX> TYPE RCF_S_CS_PROT_INDEX.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCF_S_CS_PROT_INDEX
*  INTO TABLE @DATA(IT_RCF_S_CS_PROT_INDEX2).
*--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_CS_PROT_INDEX INDEX 1 INTO DATA(WA_RCF_S_CS_PROT_INDEX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RCF_S_CS_PROT_INDEX>-DONE = 1.
<RCF_S_CS_PROT_INDEX>-CANCELLED = 1.
<RCF_S_CS_PROT_INDEX>-SFNAME = 1.
<RCF_S_CS_PROT_INDEX>-R_PLVAR = 1.
<RCF_S_CS_PROT_INDEX>-R_OTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RCF_S_CS_PROT_INDEX-R_OBJID, sy-vline,
  WA_RCF_S_CS_PROT_INDEX-R_CATEGORY, sy-vline,
  WA_RCF_S_CS_PROT_INDEX-S_PLVAR, sy-vline,
  WA_RCF_S_CS_PROT_INDEX-S_OTYPE, sy-vline,
  WA_RCF_S_CS_PROT_INDEX-S_OBJID, sy-vline,
  WA_RCF_S_CS_PROT_INDEX-S_COMPANY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RCF_S_CS_PROT_INDEX 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_CS_PROT_INDEX 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_CS_PROT_INDEX INTO WA_RCF_S_CS_PROT_INDEX.


*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 ISOLA, internal->external for field CORR_LANGU1
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_RCF_S_CS_PROT_INDEX-CORR_LANGU1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCF_S_CS_PROT_INDEX-CORR_LANGU1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field CORR_LANGU2
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_RCF_S_CS_PROT_INDEX-CORR_LANGU2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCF_S_CS_PROT_INDEX-CORR_LANGU2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field CORR_LANGU3
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_RCF_S_CS_PROT_INDEX-CORR_LANGU3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCF_S_CS_PROT_INDEX-CORR_LANGU3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field CORR_LANGU4
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_RCF_S_CS_PROT_INDEX-CORR_LANGU4
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCF_S_CS_PROT_INDEX-CORR_LANGU4.
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_CS_PROT_INDEX_STR, 
DONE TYPE STRING,
CANCELLED TYPE STRING,
SFNAME TYPE STRING,
R_PLVAR TYPE STRING,
R_OTYPE TYPE STRING,
R_OBJID TYPE STRING,
R_CATEGORY TYPE STRING,
S_PLVAR TYPE STRING,
S_OTYPE TYPE STRING,
S_OBJID TYPE STRING,
S_COMPANY TYPE STRING,
MANDT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
SUBTY TYPE STRING,
ISTAT TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
VARYF TYPE STRING,
SEQNR TYPE STRING,
TO_BE_PRINTED TYPE STRING,
CORR_LANGU1 TYPE STRING,
CORR_LANGU2 TYPE STRING,
CORR_LANGU3 TYPE STRING,
CORR_LANGU4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCF_S_CS_PROT_INDEX_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_CS_PROT_INDEX_STR-DONE sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-CANCELLED sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-SFNAME sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-R_PLVAR sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-R_OTYPE sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-R_OBJID sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-R_CATEGORY sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-S_PLVAR sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-S_OTYPE sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-S_OBJID sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-S_COMPANY sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-MANDT sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-PLVAR sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-OTYPE sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-OBJID sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-SUBTY sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-ISTAT sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-BEGDA sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-ENDDA sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-VARYF sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-SEQNR sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-TO_BE_PRINTED sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-CORR_LANGU1 sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-CORR_LANGU2 sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-CORR_LANGU3 sy-vline 
WA_RCF_S_CS_PROT_INDEX_STR-CORR_LANGU4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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