ABAP Select data from SAP table /ACCGO/STLUNIT_S_FEE_SI into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ACCGO/STLUNIT_S_FEE_SI 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 /ACCGO/STLUNIT_S_FEE_SI. 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 /ACCGO/STLUNIT_S_FEE_SI 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_/ACCGO/STLUNIT_S_FEE_SI TYPE STANDARD TABLE OF /ACCGO/STLUNIT_S_FEE_SI,
      WA_/ACCGO/STLUNIT_S_FEE_SI TYPE /ACCGO/STLUNIT_S_FEE_SI,
      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: </ACCGO/STLUNIT_S_FEE_SI> TYPE /ACCGO/STLUNIT_S_FEE_SI.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ACCGO/STLUNIT_S_FEE_SI
  INTO TABLE IT_/ACCGO/STLUNIT_S_FEE_SI.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/STLUNIT_S_FEE_SI
*  INTO TABLE @DATA(IT_/ACCGO/STLUNIT_S_FEE_SI2).
*--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_/ACCGO/STLUNIT_S_FEE_SI INDEX 1 INTO DATA(WA_/ACCGO/STLUNIT_S_FEE_SI2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ACCGO/STLUNIT_S_FEE_SI ASSIGNING </ACCGO/STLUNIT_S_FEE_SI>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/STLUNIT_S_FEE_SI>-FEE_ID = 1.
</ACCGO/STLUNIT_S_FEE_SI>-VERSION = 1.
</ACCGO/STLUNIT_S_FEE_SI>-FEE_NAME = 1.
</ACCGO/STLUNIT_S_FEE_SI>-SEQUENCE_NO = 1.
</ACCGO/STLUNIT_S_FEE_SI>-DOCTYPE = 1.

ENDLOOP.

LOOP AT IT_/ACCGO/STLUNIT_S_FEE_SI INTO WA_/ACCGO/STLUNIT_S_FEE_SI.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/STLUNIT_S_FEE_SI-DOCID, sy-vline,
  WA_/ACCGO/STLUNIT_S_FEE_SI-DOCITEM, sy-vline,
  WA_/ACCGO/STLUNIT_S_FEE_SI-DOCSUBITEM, sy-vline,
  WA_/ACCGO/STLUNIT_S_FEE_SI-DOCYEAR, sy-vline,
  WA_/ACCGO/STLUNIT_S_FEE_SI-SI_DOC_TYPE, sy-vline,
  WA_/ACCGO/STLUNIT_S_FEE_SI-SI_DOC_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/STLUNIT_S_FEE_SI 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_/ACCGO/STLUNIT_S_FEE_SI 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_/ACCGO/STLUNIT_S_FEE_SI INTO WA_/ACCGO/STLUNIT_S_FEE_SI.


*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 SEQUENCE_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/STLUNIT_S_FEE_SI-SEQUENCE_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/STLUNIT_S_FEE_SI-SEQUENCE_NO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field SI_AMOUNT_CURR
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/STLUNIT_S_FEE_SI-SI_AMOUNT_CURR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/STLUNIT_S_FEE_SI-SI_AMOUNT_CURR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CREATED_TSTMP
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/STLUNIT_S_FEE_SI-CREATED_TSTMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/STLUNIT_S_FEE_SI-CREATED_TSTMP.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field SI_FX_CURR
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/STLUNIT_S_FEE_SI-SI_FX_CURR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/STLUNIT_S_FEE_SI-SI_FX_CURR.
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_/ACCGO/STLUNIT_S_FEE_SI_STR, 
FEE_ID TYPE STRING,
VERSION TYPE STRING,
FEE_NAME TYPE STRING,
SEQUENCE_NO TYPE STRING,
DOCTYPE TYPE STRING,
DOCID TYPE STRING,
DOCITEM TYPE STRING,
DOCSUBITEM TYPE STRING,
DOCYEAR TYPE STRING,
SI_DOC_TYPE TYPE STRING,
SI_DOC_ID TYPE STRING,
SI_DOC_ITEM TYPE STRING,
SI_DOC_YEAR TYPE STRING,
SI_AMOUNT TYPE STRING,
SI_AMOUNT_CURR TYPE STRING,
FEE_AMOUNT TYPE STRING,
CREATED_TSTMP TYPE STRING,
DOCIDREF TYPE STRING,
DOCTYPEREF TYPE STRING,
DOCITEMREF TYPE STRING,
DOCSUBITEMREF TYPE STRING,
DOCYEARREF TYPE STRING,
SEQUENCE_NOREF TYPE STRING,
SI_PRED_DOC_TYPE TYPE STRING,
AMT_TYPE_GUID TYPE STRING,
KSCHL TYPE STRING,
SI_FX_AMOUNT TYPE STRING,
SI_FX_CURR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/STLUNIT_S_FEE_SI_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_/ACCGO/STLUNIT_S_FEE_SI_STR-FEE_ID sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-VERSION sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-FEE_NAME sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-SEQUENCE_NO sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-DOCTYPE sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-DOCID sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-DOCITEM sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-DOCSUBITEM sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-DOCYEAR sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-SI_DOC_TYPE sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-SI_DOC_ID sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-SI_DOC_ITEM sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-SI_DOC_YEAR sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-SI_AMOUNT sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-SI_AMOUNT_CURR sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-FEE_AMOUNT sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-CREATED_TSTMP sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-DOCIDREF sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-DOCTYPEREF sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-DOCITEMREF sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-DOCSUBITEMREF sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-DOCYEARREF sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-SEQUENCE_NOREF sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-SI_PRED_DOC_TYPE sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-AMT_TYPE_GUID sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-KSCHL sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-SI_FX_AMOUNT sy-vline 
WA_/ACCGO/STLUNIT_S_FEE_SI_STR-SI_FX_CURR sy-vline      INTO ld_text SEPARATED BY SPACE.

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