ABAP Select data from SAP table FINCS_RI_DT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINCS_RI_DT
*  INTO TABLE @DATA(IT_FINCS_RI_DT2).
*--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_FINCS_RI_DT INDEX 1 INTO DATA(WA_FINCS_RI_DT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINCS_RI_DT>-MANDT = 1.
<FINCS_RI_DT>-UUID = 1.
<FINCS_RI_DT>-RPTID = 1.
<FINCS_RI_DT>-TXT = 1.
<FINCS_RI_DT>-ITCLG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINCS_RI_DT-RIHRY, sy-vline,
  WA_FINCS_RI_DT-RITEM, sy-vline,
  WA_FINCS_RI_DT-IATID, sy-vline,
  WA_FINCS_RI_DT-IATNM, sy-vline,
  WA_FINCS_RI_DT-IAVID, sy-vline,
  WA_FINCS_RI_DT-ITHRY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINCS_RI_DT 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_FINCS_RI_DT 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_FINCS_RI_DT INTO WA_FINCS_RI_DT.


*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 BFIMC, internal->external for field RITEM
CALL FUNCTION 'CONVERSION_EXIT_BFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FINCS_RI_DT-RITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_RI_DT-RITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit BFIMC, internal->external for field ITEM_FR
CALL FUNCTION 'CONVERSION_EXIT_BFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FINCS_RI_DT-ITEM_FR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_RI_DT-ITEM_FR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit BFIMC, internal->external for field ITEM_TO
CALL FUNCTION 'CONVERSION_EXIT_BFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FINCS_RI_DT-ITEM_TO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_RI_DT-ITEM_TO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AFIMC, internal->external for field BUNIT_FR
CALL FUNCTION 'CONVERSION_EXIT_AFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FINCS_RI_DT-BUNIT_FR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_RI_DT-BUNIT_FR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AFIMC, internal->external for field BUNIT_TO
CALL FUNCTION 'CONVERSION_EXIT_AFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FINCS_RI_DT-BUNIT_TO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINCS_RI_DT-BUNIT_TO.
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_FINCS_RI_DT_STR, 
MANDT TYPE STRING,
UUID TYPE STRING,
RPTID TYPE STRING,
TXT TYPE STRING,
ITCLG TYPE STRING,
RIHRY TYPE STRING,
RITEM TYPE STRING,
IATID TYPE STRING,
IATNM TYPE STRING,
IAVID TYPE STRING,
ITHRY TYPE STRING,
ITEMNODE TYPE STRING,
ITEM_FR TYPE STRING,
ITEM_TO TYPE STRING,
SITYP TYPE STRING,
SITEM_FR TYPE STRING,
SITEM_TO TYPE STRING,
DOCTY_FR TYPE STRING,
DOCTY_TO TYPE STRING,
BUNIT_FR TYPE STRING,
BUNIT_TO TYPE STRING,
REVSIGN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINCS_RI_DT_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_FINCS_RI_DT_STR-MANDT sy-vline 
WA_FINCS_RI_DT_STR-UUID sy-vline 
WA_FINCS_RI_DT_STR-RPTID sy-vline 
WA_FINCS_RI_DT_STR-TXT sy-vline 
WA_FINCS_RI_DT_STR-ITCLG sy-vline 
WA_FINCS_RI_DT_STR-RIHRY sy-vline 
WA_FINCS_RI_DT_STR-RITEM sy-vline 
WA_FINCS_RI_DT_STR-IATID sy-vline 
WA_FINCS_RI_DT_STR-IATNM sy-vline 
WA_FINCS_RI_DT_STR-IAVID sy-vline 
WA_FINCS_RI_DT_STR-ITHRY sy-vline 
WA_FINCS_RI_DT_STR-ITEMNODE sy-vline 
WA_FINCS_RI_DT_STR-ITEM_FR sy-vline 
WA_FINCS_RI_DT_STR-ITEM_TO sy-vline 
WA_FINCS_RI_DT_STR-SITYP sy-vline 
WA_FINCS_RI_DT_STR-SITEM_FR sy-vline 
WA_FINCS_RI_DT_STR-SITEM_TO sy-vline 
WA_FINCS_RI_DT_STR-DOCTY_FR sy-vline 
WA_FINCS_RI_DT_STR-DOCTY_TO sy-vline 
WA_FINCS_RI_DT_STR-BUNIT_FR sy-vline 
WA_FINCS_RI_DT_STR-BUNIT_TO sy-vline 
WA_FINCS_RI_DT_STR-REVSIGN sy-vline      INTO ld_text SEPARATED BY SPACE.

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