ABAP Select data from SAP table FC00 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FC00 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 FC00. 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 FC00 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_FC00 TYPE STANDARD TABLE OF FC00,
      WA_FC00 TYPE FC00,
      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: <FC00> TYPE FC00.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FC00.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FC00
  INTO TABLE IT_FC00.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FC00
*  INTO TABLE @DATA(IT_FC002).
*--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_FC00 INDEX 1 INTO DATA(WA_FC002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FC00 ASSIGNING <FC00>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FC00>-TITLE = 1.
<FC00>-TEXTLN1 = 1.
<FC00>-TEXTLN2 = 1.
<FC00>-TEXTLN3 = 1.
<FC00>-PUSH1 = 1.

ENDLOOP.

LOOP AT IT_FC00 INTO WA_FC00.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FC00-PUSH2, sy-vline,
  WA_FC00-PUSH3, sy-vline,
  WA_FC00-ITCLG, sy-vline,
  WA_FC00-ITEM, sy-vline,
  WA_FC00-ITCGY, sy-vline,
  WA_FC00-ITUSE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FC00 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_FC00 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_FC00 INTO WA_FC00.


*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 ITEM
CALL FUNCTION 'CONVERSION_EXIT_BFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FC00-ITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC00-ITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AFIMC, internal->external for field BUNIT
CALL FUNCTION 'CONVERSION_EXIT_AFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FC00-BUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC00-BUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AFIMC, internal->external for field CONGR
CALL FUNCTION 'CONVERSION_EXIT_AFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FC00-CONGR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC00-CONGR.
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_FC00_STR, 
TITLE TYPE STRING,
TEXTLN1 TYPE STRING,
TEXTLN2 TYPE STRING,
TEXTLN3 TYPE STRING,
PUSH1 TYPE STRING,
PUSH2 TYPE STRING,
PUSH3 TYPE STRING,
ITCLG TYPE STRING,
ITEM TYPE STRING,
ITCGY TYPE STRING,
ITUSE TYPE STRING,
ITGRP TYPE STRING,
ITTYP TYPE STRING,
BUNIT TYPE STRING,
CONGR TYPE STRING,
OK_CODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FC00_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_FC00_STR-TITLE sy-vline 
WA_FC00_STR-TEXTLN1 sy-vline 
WA_FC00_STR-TEXTLN2 sy-vline 
WA_FC00_STR-TEXTLN3 sy-vline 
WA_FC00_STR-PUSH1 sy-vline 
WA_FC00_STR-PUSH2 sy-vline 
WA_FC00_STR-PUSH3 sy-vline 
WA_FC00_STR-ITCLG sy-vline 
WA_FC00_STR-ITEM sy-vline 
WA_FC00_STR-ITCGY sy-vline 
WA_FC00_STR-ITUSE sy-vline 
WA_FC00_STR-ITGRP sy-vline 
WA_FC00_STR-ITTYP sy-vline 
WA_FC00_STR-BUNIT sy-vline 
WA_FC00_STR-CONGR sy-vline 
WA_FC00_STR-OK_CODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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