ABAP Select data from SAP table FVD_LOAN_INTEREST_CONDITION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FVD_LOAN_INTEREST_CONDITION
*  INTO TABLE @DATA(IT_FVD_LOAN_INTEREST_CONDITION2).
*--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_FVD_LOAN_INTEREST_CONDITION INDEX 1 INTO DATA(WA_FVD_LOAN_INTEREST_CONDITION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FVD_LOAN_INTEREST_CONDITION>-CONTROLLER = 1.
<FVD_LOAN_INTEREST_CONDITION>-CALCULATION_DATE_RECURRENCE = 1.
<FVD_LOAN_INTEREST_CONDITION>-CONTROLLER = 1.
<FVD_LOAN_INTEREST_CONDITION>-PERIOD = 1.
<FVD_LOAN_INTEREST_CONDITION>-CONTROLLER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FVD_LOAN_INTEREST_CONDITION-START_DATE, sy-vline,
  WA_FVD_LOAN_INTEREST_CONDITION-END_DATE, sy-vline,
  WA_FVD_LOAN_INTEREST_CONDITION-DURATION, sy-vline,
  WA_FVD_LOAN_INTEREST_CONDITION-INTERIOR_DURATION, sy-vline,
  WA_FVD_LOAN_INTEREST_CONDITION-OFFSET_DURATION, sy-vline,
  WA_FVD_LOAN_INTEREST_CONDITION-MONTH_DAY_VALUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FVD_LOAN_INTEREST_CONDITION 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_FVD_LOAN_INTEREST_CONDITION 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_FVD_LOAN_INTEREST_CONDITION INTO WA_FVD_LOAN_INTEREST_CONDITION.


*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_FVD_LOAN_INTEREST_CONDITION_STR, 
CONTROLLER TYPE STRING,
CALCULATION_DATE_RECURRENCE TYPE STRING,
CONTROLLER TYPE STRING,
PERIOD TYPE STRING,
CONTROLLER TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
DURATION TYPE STRING,
INTERIOR_DURATION TYPE STRING,
OFFSET_DURATION TYPE STRING,
MONTH_DAY_VALUE TYPE STRING,
DUE_DATE_RECURRENCE TYPE STRING,
CONTROLLER TYPE STRING,
PERIOD TYPE STRING,
CONTROLLER TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
DURATION TYPE STRING,
INTERIOR_DURATION TYPE STRING,
OFFSET_DURATION TYPE STRING,
MONTH_DAY_VALUE TYPE STRING,
FIXED_INTEREST_RATE_PERCENT TYPE STRING,
VARIABLE_INTEREST_RATE TYPE STRING,
CONTROLLER TYPE STRING,
REFERENCE_INTEREST_CURVE_CODE TYPE STRING,
CONTROLLER TYPE STRING,
LIST_ID TYPE STRING,
LIST_VERSION_ID TYPE STRING,
LIST_AGENCY_ID TYPE STRING,
LIST_AGENCY_SCHEME_ID TYPE STRING,
LIST_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
VALUE TYPE STRING,
ADJUSTMENT_RECURRENCE TYPE STRING,
CONTROLLER TYPE STRING,
PERIOD TYPE STRING,
CONTROLLER TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
DURATION TYPE STRING,
INTERIOR_DURATION TYPE STRING,
OFFSET_DURATION TYPE STRING,
MONTH_DAY_VALUE TYPE STRING,
BEFORE_ADJUSTMENT_DAYS_VALUE TYPE STRING,
INITIAL_RATE_PERCENT TYPE STRING,
MARGIN_PERCENT TYPE STRING,
FLUCTUATION_MARGIN_PERCENT TYPE STRING,
FLUCTUATION_MARGIN_CAP_PERCENT TYPE STRING,
FLUCTUATION_MARGIN_FLOOR_PERCE TYPE STRING,
CAP_PERCENT TYPE STRING,
FLOOR_PERCENT TYPE STRING,
INTEREST_CALCULATION_METHOD_CO TYPE STRING,
CONTROLLER TYPE STRING,
LIST_VERSION_ID TYPE STRING,
CONTENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FVD_LOAN_INTEREST_CONDITION_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_FVD_LOAN_INTEREST_CONDITION_STR-CONTROLLER sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-CALCULATION_DATE_RECURRENCE sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-CONTROLLER sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-PERIOD sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-CONTROLLER sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-START_DATE sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-END_DATE sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-DURATION sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-INTERIOR_DURATION sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-OFFSET_DURATION sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-MONTH_DAY_VALUE sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-DUE_DATE_RECURRENCE sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-CONTROLLER sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-PERIOD sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-CONTROLLER sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-START_DATE sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-END_DATE sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-DURATION sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-INTERIOR_DURATION sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-OFFSET_DURATION sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-MONTH_DAY_VALUE sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-FIXED_INTEREST_RATE_PERCENT sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-VARIABLE_INTEREST_RATE sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-CONTROLLER sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-REFERENCE_INTEREST_CURVE_CODE sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-CONTROLLER sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-LIST_ID sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-LIST_VERSION_ID sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-LIST_AGENCY_ID sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-LIST_AGENCY_SCHEME_ID sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-LIST_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-VALUE sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-ADJUSTMENT_RECURRENCE sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-CONTROLLER sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-PERIOD sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-CONTROLLER sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-START_DATE sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-END_DATE sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-DURATION sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-INTERIOR_DURATION sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-OFFSET_DURATION sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-MONTH_DAY_VALUE sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-BEFORE_ADJUSTMENT_DAYS_VALUE sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-INITIAL_RATE_PERCENT sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-MARGIN_PERCENT sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-FLUCTUATION_MARGIN_PERCENT sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-FLUCTUATION_MARGIN_CAP_PERCENT sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-FLUCTUATION_MARGIN_FLOOR_PERCE sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-CAP_PERCENT sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-FLOOR_PERCENT sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-INTEREST_CALCULATION_METHOD_CO sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-CONTROLLER sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-LIST_VERSION_ID sy-vline 
WA_FVD_LOAN_INTEREST_CONDITION_STR-CONTENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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