ABAP Select data from SAP table FCLM_CPL_FLOW_IT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FCLM_CPL_FLOW_IT 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_CPL_FLOW_IT. 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_CPL_FLOW_IT 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_CPL_FLOW_IT TYPE STANDARD TABLE OF FCLM_CPL_FLOW_IT,
      WA_FCLM_CPL_FLOW_IT TYPE FCLM_CPL_FLOW_IT,
      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_CPL_FLOW_IT> TYPE FCLM_CPL_FLOW_IT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCLM_CPL_FLOW_IT
*  INTO TABLE @DATA(IT_FCLM_CPL_FLOW_IT2).
*--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_CPL_FLOW_IT INDEX 1 INTO DATA(WA_FCLM_CPL_FLOW_IT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCLM_CPL_FLOW_IT>-MANDT = 1.
<FCLM_CPL_FLOW_IT>-FLOW_ID = 1.
<FCLM_CPL_FLOW_IT>-DETAIL_ID = 1.
<FCLM_CPL_FLOW_IT>-CURRENCY = 1.
<FCLM_CPL_FLOW_IT>-POOL_NAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCLM_CPL_FLOW_IT-FROM_BANKACCOUNTID, sy-vline,
  WA_FCLM_CPL_FLOW_IT-TO_BANKACCOUNTID, sy-vline,
  WA_FCLM_CPL_FLOW_IT-PAYMENT_METHOD, sy-vline,
  WA_FCLM_CPL_FLOW_IT-REFERENCE_KEY, sy-vline,
  WA_FCLM_CPL_FLOW_IT-CLOSING_BAL, sy-vline,
  WA_FCLM_CPL_FLOW_IT-TRANSFER_AMT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCLM_CPL_FLOW_IT 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_CPL_FLOW_IT 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_CPL_FLOW_IT INTO WA_FCLM_CPL_FLOW_IT.


*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 REFERENCE_KEY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCLM_CPL_FLOW_IT-REFERENCE_KEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCLM_CPL_FLOW_IT-REFERENCE_KEY.
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_CPL_FLOW_IT_STR, 
MANDT TYPE STRING,
FLOW_ID TYPE STRING,
DETAIL_ID TYPE STRING,
CURRENCY TYPE STRING,
POOL_NAME TYPE STRING,
FROM_BANKACCOUNTID TYPE STRING,
TO_BANKACCOUNTID TYPE STRING,
PAYMENT_METHOD TYPE STRING,
REFERENCE_KEY TYPE STRING,
CLOSING_BAL TYPE STRING,
TRANSFER_AMT TYPE STRING,
TARGET_BAL TYPE STRING,
AFTER_BAL TYPE STRING,
STATE TYPE STRING,
LOG_HANDLE TYPE STRING,
RUN_ID TYPE STRING,
VALUE_DATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCLM_CPL_FLOW_IT_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_CPL_FLOW_IT_STR-MANDT sy-vline 
WA_FCLM_CPL_FLOW_IT_STR-FLOW_ID sy-vline 
WA_FCLM_CPL_FLOW_IT_STR-DETAIL_ID sy-vline 
WA_FCLM_CPL_FLOW_IT_STR-CURRENCY sy-vline 
WA_FCLM_CPL_FLOW_IT_STR-POOL_NAME sy-vline 
WA_FCLM_CPL_FLOW_IT_STR-FROM_BANKACCOUNTID sy-vline 
WA_FCLM_CPL_FLOW_IT_STR-TO_BANKACCOUNTID sy-vline 
WA_FCLM_CPL_FLOW_IT_STR-PAYMENT_METHOD sy-vline 
WA_FCLM_CPL_FLOW_IT_STR-REFERENCE_KEY sy-vline 
WA_FCLM_CPL_FLOW_IT_STR-CLOSING_BAL sy-vline 
WA_FCLM_CPL_FLOW_IT_STR-TRANSFER_AMT sy-vline 
WA_FCLM_CPL_FLOW_IT_STR-TARGET_BAL sy-vline 
WA_FCLM_CPL_FLOW_IT_STR-AFTER_BAL sy-vline 
WA_FCLM_CPL_FLOW_IT_STR-STATE sy-vline 
WA_FCLM_CPL_FLOW_IT_STR-LOG_HANDLE sy-vline 
WA_FCLM_CPL_FLOW_IT_STR-RUN_ID sy-vline 
WA_FCLM_CPL_FLOW_IT_STR-VALUE_DATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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