ABAP Select data from SAP table FICITD_CLASSIFY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FICITD_CLASSIFY
*  INTO TABLE @DATA(IT_FICITD_CLASSIFY2).
*--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_FICITD_CLASSIFY INDEX 1 INTO DATA(WA_FICITD_CLASSIFY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FICITD_CLASSIFY>-MANDT = 1.
<FICITD_CLASSIFY>-UUID = 1.
<FICITD_CLASSIFY>-LEDGER = 1.
<FICITD_CLASSIFY>-BUKRS = 1.
<FICITD_CLASSIFY>-GJAHR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FICITD_CLASSIFY-BELNR, sy-vline,
  WA_FICITD_CLASSIFY-DOCLN, sy-vline,
  WA_FICITD_CLASSIFY-SOURCELEDGER, sy-vline,
  WA_FICITD_CLASSIFY-REPDATE, sy-vline,
  WA_FICITD_CLASSIFY-HRYID, sy-vline,
  WA_FICITD_CLASSIFY-CLSFCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FICITD_CLASSIFY 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_FICITD_CLASSIFY 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_FICITD_CLASSIFY INTO WA_FICITD_CLASSIFY.


*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 LEDGER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FICITD_CLASSIFY-LEDGER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FICITD_CLASSIFY-LEDGER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FICITD_CLASSIFY-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FICITD_CLASSIFY-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FICITD_CLASSIFY-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FICITD_CLASSIFY-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SOURCELEDGER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FICITD_CLASSIFY-SOURCELEDGER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FICITD_CLASSIFY-SOURCELEDGER.
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_FICITD_CLASSIFY_STR, 
MANDT TYPE STRING,
UUID TYPE STRING,
LEDGER TYPE STRING,
BUKRS TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
DOCLN TYPE STRING,
SOURCELEDGER TYPE STRING,
REPDATE TYPE STRING,
HRYID TYPE STRING,
CLSFCODE TYPE STRING,
AMOUNT TYPE STRING,
CURRENCY TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
DUMMY_FICIT_CLSFY_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FICITD_CLASSIFY_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_FICITD_CLASSIFY_STR-MANDT sy-vline 
WA_FICITD_CLASSIFY_STR-UUID sy-vline 
WA_FICITD_CLASSIFY_STR-LEDGER sy-vline 
WA_FICITD_CLASSIFY_STR-BUKRS sy-vline 
WA_FICITD_CLASSIFY_STR-GJAHR sy-vline 
WA_FICITD_CLASSIFY_STR-BELNR sy-vline 
WA_FICITD_CLASSIFY_STR-DOCLN sy-vline 
WA_FICITD_CLASSIFY_STR-SOURCELEDGER sy-vline 
WA_FICITD_CLASSIFY_STR-REPDATE sy-vline 
WA_FICITD_CLASSIFY_STR-HRYID sy-vline 
WA_FICITD_CLASSIFY_STR-CLSFCODE sy-vline 
WA_FICITD_CLASSIFY_STR-AMOUNT sy-vline 
WA_FICITD_CLASSIFY_STR-CURRENCY sy-vline 
WA_FICITD_CLASSIFY_STR-CREATED_BY sy-vline 
WA_FICITD_CLASSIFY_STR-CREATED_AT sy-vline 
WA_FICITD_CLASSIFY_STR-CHANGED_BY sy-vline 
WA_FICITD_CLASSIFY_STR-CHANGED_AT sy-vline 
WA_FICITD_CLASSIFY_STR-DUMMY_FICIT_CLSFY_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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