ABAP Select data from SAP table FISK_STR_FICA_EXPORT_RFC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FISK_STR_FICA_EXPORT_RFC
*  INTO TABLE @DATA(IT_FISK_STR_FICA_EXPORT_RFC2).
*--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_FISK_STR_FICA_EXPORT_RFC INDEX 1 INTO DATA(WA_FISK_STR_FICA_EXPORT_RFC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FISK_STR_FICA_EXPORT_RFC>-SECT = 1.
<FISK_STR_FICA_EXPORT_RFC>-REPTYPE = 1.
<FISK_STR_FICA_EXPORT_RFC>-VATNUMBER = 1.
<FISK_STR_FICA_EXPORT_RFC>-CCODE = 1.
<FISK_STR_FICA_EXPORT_RFC>-INVOICENUM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FISK_STR_FICA_EXPORT_RFC-VATDATE, sy-vline,
  WA_FISK_STR_FICA_EXPORT_RFC-TAXBASEAMNT, sy-vline,
  WA_FISK_STR_FICA_EXPORT_RFC-TAXAMNT, sy-vline,
  WA_FISK_STR_FICA_EXPORT_RFC-TAXRATE, sy-vline,
  WA_FISK_STR_FICA_EXPORT_RFC-AMENDCODE, sy-vline,
  WA_FISK_STR_FICA_EXPORT_RFC-CNCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FISK_STR_FICA_EXPORT_RFC 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_FISK_STR_FICA_EXPORT_RFC 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_FISK_STR_FICA_EXPORT_RFC INTO WA_FISK_STR_FICA_EXPORT_RFC.


*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 SKVLS, internal->external for field SECT
CALL FUNCTION 'CONVERSION_EXIT_SKVLS_OUTPUT'
  EXPORTING
    input =                      WA_FISK_STR_FICA_EXPORT_RFC-SECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FISK_STR_FICA_EXPORT_RFC-SECT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field TAXBASEAMNT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FISK_STR_FICA_EXPORT_RFC-TAXBASEAMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FISK_STR_FICA_EXPORT_RFC-TAXBASEAMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field TAXAMNT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FISK_STR_FICA_EXPORT_RFC-TAXAMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FISK_STR_FICA_EXPORT_RFC-TAXAMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SKTXR, internal->external for field TAXRATE
CALL FUNCTION 'CONVERSION_EXIT_SKTXR_OUTPUT'
  EXPORTING
    input =                      WA_FISK_STR_FICA_EXPORT_RFC-TAXRATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FISK_STR_FICA_EXPORT_RFC-TAXRATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FISK_STR_FICA_EXPORT_RFC-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FISK_STR_FICA_EXPORT_RFC-BASEUNIT.
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_FISK_STR_FICA_EXPORT_RFC_STR, 
SECT TYPE STRING,
REPTYPE TYPE STRING,
VATNUMBER TYPE STRING,
CCODE TYPE STRING,
INVOICENUM TYPE STRING,
VATDATE TYPE STRING,
TAXBASEAMNT TYPE STRING,
TAXAMNT TYPE STRING,
TAXRATE TYPE STRING,
AMENDCODE TYPE STRING,
CNCODE TYPE STRING,
PRTYPE TYPE STRING,
QUANTITY TYPE STRING,
BASEUNIT TYPE STRING,
ORIGINVREF TYPE STRING,
WAERS TYPE STRING,
CVP_STATUS TYPE STRING,
BADDEBTREL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FISK_STR_FICA_EXPORT_RFC_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_FISK_STR_FICA_EXPORT_RFC_STR-SECT sy-vline 
WA_FISK_STR_FICA_EXPORT_RFC_STR-REPTYPE sy-vline 
WA_FISK_STR_FICA_EXPORT_RFC_STR-VATNUMBER sy-vline 
WA_FISK_STR_FICA_EXPORT_RFC_STR-CCODE sy-vline 
WA_FISK_STR_FICA_EXPORT_RFC_STR-INVOICENUM sy-vline 
WA_FISK_STR_FICA_EXPORT_RFC_STR-VATDATE sy-vline 
WA_FISK_STR_FICA_EXPORT_RFC_STR-TAXBASEAMNT sy-vline 
WA_FISK_STR_FICA_EXPORT_RFC_STR-TAXAMNT sy-vline 
WA_FISK_STR_FICA_EXPORT_RFC_STR-TAXRATE sy-vline 
WA_FISK_STR_FICA_EXPORT_RFC_STR-AMENDCODE sy-vline 
WA_FISK_STR_FICA_EXPORT_RFC_STR-CNCODE sy-vline 
WA_FISK_STR_FICA_EXPORT_RFC_STR-PRTYPE sy-vline 
WA_FISK_STR_FICA_EXPORT_RFC_STR-QUANTITY sy-vline 
WA_FISK_STR_FICA_EXPORT_RFC_STR-BASEUNIT sy-vline 
WA_FISK_STR_FICA_EXPORT_RFC_STR-ORIGINVREF sy-vline 
WA_FISK_STR_FICA_EXPORT_RFC_STR-WAERS sy-vline 
WA_FISK_STR_FICA_EXPORT_RFC_STR-CVP_STATUS sy-vline 
WA_FISK_STR_FICA_EXPORT_RFC_STR-BADDEBTREL sy-vline      INTO ld_text SEPARATED BY SPACE.

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