ABAP Select data from SAP table FCLM_CP_S_ENTITY_TREND into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCLM_CP_S_ENTITY_TREND
*  INTO TABLE @DATA(IT_FCLM_CP_S_ENTITY_TREND2).
*--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_FCLM_CP_S_ENTITY_TREND INDEX 1 INTO DATA(WA_FCLM_CP_S_ENTITY_TREND2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCLM_CP_S_ENTITY_TREND>-CLOSINGBALANCE = 1.
<FCLM_CP_S_ENTITY_TREND>-OPENINGBALANCE = 1.
<FCLM_CP_S_ENTITY_TREND>-DATE = 1.
<FCLM_CP_S_ENTITY_TREND>-BANK = 1.
<FCLM_CP_S_ENTITY_TREND>-BANKACCOUNTNUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCLM_CP_S_ENTITY_TREND-CURRENCY, sy-vline,
  WA_FCLM_CP_S_ENTITY_TREND-COUNTRY, sy-vline,
  WA_FCLM_CP_S_ENTITY_TREND-COMPANY, sy-vline,
  WA_FCLM_CP_S_ENTITY_TREND-REPCURRENCY, sy-vline,
  WA_FCLM_CP_S_ENTITY_TREND-EXRATETYPE, sy-vline,
  WA_FCLM_CP_S_ENTITY_TREND-HOUSEBANK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCLM_CP_S_ENTITY_TREND 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_FCLM_CP_S_ENTITY_TREND 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_FCLM_CP_S_ENTITY_TREND INTO WA_FCLM_CP_S_ENTITY_TREND.


*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 AU172, internal->external for field CLOSINGBALANCE
CALL FUNCTION 'CONVERSION_EXIT_AU172_OUTPUT'
  EXPORTING
    input =                      WA_FCLM_CP_S_ENTITY_TREND-CLOSINGBALANCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCLM_CP_S_ENTITY_TREND-CLOSINGBALANCE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU172, internal->external for field OPENINGBALANCE
CALL FUNCTION 'CONVERSION_EXIT_AU172_OUTPUT'
  EXPORTING
    input =                      WA_FCLM_CP_S_ENTITY_TREND-OPENINGBALANCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCLM_CP_S_ENTITY_TREND-OPENINGBALANCE.
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_FCLM_CP_S_ENTITY_TREND_STR, 
CLOSINGBALANCE TYPE STRING,
OPENINGBALANCE TYPE STRING,
DATE TYPE STRING,
BANK TYPE STRING,
BANKACCOUNTNUMBER TYPE STRING,
CURRENCY TYPE STRING,
COUNTRY TYPE STRING,
COMPANY TYPE STRING,
REPCURRENCY TYPE STRING,
EXRATETYPE TYPE STRING,
HOUSEBANK TYPE STRING,
HOUSEBANKACCOUNT TYPE STRING,
DATE_D TYPE STRING,
DUMMY_FIELD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCLM_CP_S_ENTITY_TREND_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_FCLM_CP_S_ENTITY_TREND_STR-CLOSINGBALANCE sy-vline 
WA_FCLM_CP_S_ENTITY_TREND_STR-OPENINGBALANCE sy-vline 
WA_FCLM_CP_S_ENTITY_TREND_STR-DATE sy-vline 
WA_FCLM_CP_S_ENTITY_TREND_STR-BANK sy-vline 
WA_FCLM_CP_S_ENTITY_TREND_STR-BANKACCOUNTNUMBER sy-vline 
WA_FCLM_CP_S_ENTITY_TREND_STR-CURRENCY sy-vline 
WA_FCLM_CP_S_ENTITY_TREND_STR-COUNTRY sy-vline 
WA_FCLM_CP_S_ENTITY_TREND_STR-COMPANY sy-vline 
WA_FCLM_CP_S_ENTITY_TREND_STR-REPCURRENCY sy-vline 
WA_FCLM_CP_S_ENTITY_TREND_STR-EXRATETYPE sy-vline 
WA_FCLM_CP_S_ENTITY_TREND_STR-HOUSEBANK sy-vline 
WA_FCLM_CP_S_ENTITY_TREND_STR-HOUSEBANKACCOUNT sy-vline 
WA_FCLM_CP_S_ENTITY_TREND_STR-DATE_D sy-vline 
WA_FCLM_CP_S_ENTITY_TREND_STR-DUMMY_FIELD sy-vline      INTO ld_text SEPARATED BY SPACE.

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