ABAP Select data from SAP table V_RTC_EQUITY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_RTC_EQUITY
*  INTO TABLE @DATA(IT_V_RTC_EQUITY2).
*--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_V_RTC_EQUITY INDEX 1 INTO DATA(WA_V_RTC_EQUITY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_RTC_EQUITY>-MANDT = 1.
<V_RTC_EQUITY>-MODEL = 1.
<V_RTC_EQUITY>-VERID = 1.
<V_RTC_EQUITY>-RTC_CATG = 1.
<V_RTC_EQUITY>-RYEAR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_RTC_EQUITY-POPER, sy-vline,
  WA_V_RTC_EQUITY-ENTITY, sy-vline,
  WA_V_RTC_EQUITY-PENTITY, sy-vline,
  WA_V_RTC_EQUITY-ACTNR, sy-vline,
  WA_V_RTC_EQUITY-RACCT, sy-vline,
  WA_V_RTC_EQUITY-RMVCT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_RTC_EQUITY 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_V_RTC_EQUITY 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_V_RTC_EQUITY INTO WA_V_RTC_EQUITY.


*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 MODEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_RTC_EQUITY-MODEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_RTC_EQUITY-MODEL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VERID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_RTC_EQUITY-VERID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_RTC_EQUITY-VERID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RTC_CATG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_RTC_EQUITY-RTC_CATG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_RTC_EQUITY-RTC_CATG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field RYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_V_RTC_EQUITY-RYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_RTC_EQUITY-RYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_RTC_EQUITY-RACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_RTC_EQUITY-RACCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field EXCHANGE_RATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_V_RTC_EQUITY-EXCHANGE_RATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_RTC_EQUITY-EXCHANGE_RATE.
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_V_RTC_EQUITY_STR, 
MANDT TYPE STRING,
MODEL TYPE STRING,
VERID TYPE STRING,
RTC_CATG TYPE STRING,
RYEAR TYPE STRING,
POPER TYPE STRING,
ENTITY TYPE STRING,
PENTITY TYPE STRING,
ACTNR TYPE STRING,
RACCT TYPE STRING,
RMVCT TYPE STRING,
AMOUNT TYPE STRING,
CUR TYPE STRING,
EXCHANGE_RATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_RTC_EQUITY_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_V_RTC_EQUITY_STR-MANDT sy-vline 
WA_V_RTC_EQUITY_STR-MODEL sy-vline 
WA_V_RTC_EQUITY_STR-VERID sy-vline 
WA_V_RTC_EQUITY_STR-RTC_CATG sy-vline 
WA_V_RTC_EQUITY_STR-RYEAR sy-vline 
WA_V_RTC_EQUITY_STR-POPER sy-vline 
WA_V_RTC_EQUITY_STR-ENTITY sy-vline 
WA_V_RTC_EQUITY_STR-PENTITY sy-vline 
WA_V_RTC_EQUITY_STR-ACTNR sy-vline 
WA_V_RTC_EQUITY_STR-RACCT sy-vline 
WA_V_RTC_EQUITY_STR-RMVCT sy-vline 
WA_V_RTC_EQUITY_STR-AMOUNT sy-vline 
WA_V_RTC_EQUITY_STR-CUR sy-vline 
WA_V_RTC_EQUITY_STR-EXCHANGE_RATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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