ABAP Select data from SAP table RFVD_CORR_CL_DEFCAP_PPCHG_DET into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RFVD_CORR_CL_DEFCAP_PPCHG_DET
*  INTO TABLE @DATA(IT_RFVD_CORR_CL_DEFCAP_PPCHG_DET2).
*--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_RFVD_CORR_CL_DEFCAP_PPCHG_DET INDEX 1 INTO DATA(WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RFVD_CORR_CL_DEFCAP_PPCHG_DET>-WA_PPCHG_DET = 1.
<RFVD_CORR_CL_DEFCAP_PPCHG_DET>-DATE_NEW_PAYMENT_PLAN = 1.
<RFVD_CORR_CL_DEFCAP_PPCHG_DET>-NEW_RATE = 1.
<RFVD_CORR_CL_DEFCAP_PPCHG_DET>-OLD_RATE = 1.
<RFVD_CORR_CL_DEFCAP_PPCHG_DET>-NEW_RATE_COUNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET-OLD_RATE_COUNT, sy-vline,
  WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET-NEW_RUNTIME, sy-vline,
  WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET-OLD_RUNTIME, sy-vline,
  WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET-NEW_DELFZ, sy-vline,
  WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET-OLD_DELFZ, sy-vline,
  WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET-CURR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET 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_RFVD_CORR_CL_DEFCAP_PPCHG_DET 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_RFVD_CORR_CL_DEFCAP_PPCHG_DET INTO WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR, 
WA_PPCHG_DET TYPE STRING,
DATE_NEW_PAYMENT_PLAN TYPE STRING,
NEW_RATE TYPE STRING,
OLD_RATE TYPE STRING,
NEW_RATE_COUNT TYPE STRING,
OLD_RATE_COUNT TYPE STRING,
NEW_RUNTIME TYPE STRING,
OLD_RUNTIME TYPE STRING,
NEW_DELFZ TYPE STRING,
OLD_DELFZ TYPE STRING,
CURR TYPE STRING,
NEW_DAY_OF_PAYMENT TYPE STRING,
OLD_DAY_OF_PAYMENT TYPE STRING,
NEW_EFF_INT_RATE TYPE STRING,
NEW_CLEARING_RATE TYPE STRING,
OLD_CLEARING_RATE TYPE STRING,
DFAELL_NEW_RATE TYPE STRING,
REMAINING_RATE_COUNT TYPE STRING,
NEW_CREDIT_SUM TYPE STRING,
NEW_INTEREST_SUM TYPE STRING,
OLD_CREDIT_SUM TYPE STRING,
OLD_INTEREST_SUM TYPE STRING,
ARREARS_SUM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_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_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-WA_PPCHG_DET sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-DATE_NEW_PAYMENT_PLAN sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-NEW_RATE sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-OLD_RATE sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-NEW_RATE_COUNT sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-OLD_RATE_COUNT sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-NEW_RUNTIME sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-OLD_RUNTIME sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-NEW_DELFZ sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-OLD_DELFZ sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-CURR sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-NEW_DAY_OF_PAYMENT sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-OLD_DAY_OF_PAYMENT sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-NEW_EFF_INT_RATE sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-NEW_CLEARING_RATE sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-OLD_CLEARING_RATE sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-DFAELL_NEW_RATE sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-REMAINING_RATE_COUNT sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-NEW_CREDIT_SUM sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-NEW_INTEREST_SUM sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-OLD_CREDIT_SUM sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-OLD_INTEREST_SUM sy-vline 
WA_RFVD_CORR_CL_DEFCAP_PPCHG_DET_STR-ARREARS_SUM sy-vline      INTO ld_text SEPARATED BY SPACE.

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