ABAP Select data from SAP table REYC_SF_OPTIONS_SPEC_SC_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REYC_SF_OPTIONS_SPEC_SC_S
*  INTO TABLE @DATA(IT_REYC_SF_OPTIONS_SPEC_SC_S2).
*--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_REYC_SF_OPTIONS_SPEC_SC_S INDEX 1 INTO DATA(WA_REYC_SF_OPTIONS_SPEC_SC_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REYC_SF_OPTIONS_SPEC_SC_S>-SCOPTSETTLID = 1.
<REYC_SF_OPTIONS_SPEC_SC_S>-SCPROCESSID = 1.
<REYC_SF_OPTIONS_SPEC_SC_S>-SCOPTPERIOD = 1.
<REYC_SF_OPTIONS_SPEC_SC_S>-SCPFROM = 1.
<REYC_SF_OPTIONS_SPEC_SC_S>-SCPTO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REYC_SF_OPTIONS_SPEC_SC_S-SCAJOUTPUT, sy-vline,
  WA_REYC_SF_OPTIONS_SPEC_SC_S-SCINCLFLATRATE, sy-vline,
  WA_REYC_SF_OPTIONS_SPEC_SC_S-SCACCTSHTOUTPUT, sy-vline,
  WA_REYC_SF_OPTIONS_SPEC_SC_S-SCPROCESSEXTID, sy-vline,
  WA_REYC_SF_OPTIONS_SPEC_SC_S-SCPROCESS, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_REYC_SF_OPTIONS_SPEC_SC_S 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_REYC_SF_OPTIONS_SPEC_SC_S 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_REYC_SF_OPTIONS_SPEC_SC_S INTO WA_REYC_SF_OPTIONS_SPEC_SC_S.


*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 REDAT, internal->external for field SCPTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REYC_SF_OPTIONS_SPEC_SC_S-SCPTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REYC_SF_OPTIONS_SPEC_SC_S-SCPTO.
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_REYC_SF_OPTIONS_SPEC_SC_S_STR, 
SCOPTSETTLID TYPE STRING,
SCPROCESSID TYPE STRING,
SCOPTPERIOD TYPE STRING,
SCPFROM TYPE STRING,
SCPTO TYPE STRING,
SCAJOUTPUT TYPE STRING,
SCINCLFLATRATE TYPE STRING,
SCACCTSHTOUTPUT TYPE STRING,
SCPROCESSEXTID TYPE STRING,
SCPROCESS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REYC_SF_OPTIONS_SPEC_SC_S_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_REYC_SF_OPTIONS_SPEC_SC_S_STR-SCOPTSETTLID sy-vline 
WA_REYC_SF_OPTIONS_SPEC_SC_S_STR-SCPROCESSID sy-vline 
WA_REYC_SF_OPTIONS_SPEC_SC_S_STR-SCOPTPERIOD sy-vline 
WA_REYC_SF_OPTIONS_SPEC_SC_S_STR-SCPFROM sy-vline 
WA_REYC_SF_OPTIONS_SPEC_SC_S_STR-SCPTO sy-vline 
WA_REYC_SF_OPTIONS_SPEC_SC_S_STR-SCAJOUTPUT sy-vline 
WA_REYC_SF_OPTIONS_SPEC_SC_S_STR-SCINCLFLATRATE sy-vline 
WA_REYC_SF_OPTIONS_SPEC_SC_S_STR-SCACCTSHTOUTPUT sy-vline 
WA_REYC_SF_OPTIONS_SPEC_SC_S_STR-SCPROCESSEXTID sy-vline 
WA_REYC_SF_OPTIONS_SPEC_SC_S_STR-SCPROCESS sy-vline      INTO ld_text SEPARATED BY SPACE.

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