ABAP Select data from SAP table FC01FTAB into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FC01FTAB 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 FC01FTAB. 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 FC01FTAB 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_FC01FTAB TYPE STANDARD TABLE OF FC01FTAB,
      WA_FC01FTAB TYPE FC01FTAB,
      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: <FC01FTAB> TYPE FC01FTAB.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FC01FTAB.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FC01FTAB
  INTO TABLE IT_FC01FTAB.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FC01FTAB
*  INTO TABLE @DATA(IT_FC01FTAB2).
*--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_FC01FTAB INDEX 1 INTO DATA(WA_FC01FTAB2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FC01FTAB ASSIGNING <FC01FTAB>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FC01FTAB>-STRVS = 1.
<FC01FTAB>-CONGR = 1.
<FC01FTAB>-TXTMI = 1.
<FC01FTAB>-NAME1 = 1.
<FC01FTAB>-CNTRY = 1.

ENDLOOP.

LOOP AT IT_FC01FTAB INTO WA_FC01FTAB.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FC01FTAB-NAME2, sy-vline,
  WA_FC01FTAB-LANGU, sy-vline,
  WA_FC01FTAB-STRET, sy-vline,
  WA_FC01FTAB-POBOX, sy-vline,
  WA_FC01FTAB-PSTLC, sy-vline,
  WA_FC01FTAB-CITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FC01FTAB 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_FC01FTAB 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_FC01FTAB INTO WA_FC01FTAB.


*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 STRVS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01FTAB-STRVS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01FTAB-STRVS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AFIMC, internal->external for field CONGR
CALL FUNCTION 'CONVERSION_EXIT_AFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FC01FTAB-CONGR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01FTAB-CONGR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_FC01FTAB-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01FTAB-LANGU.
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_FC01FTAB_STR, 
STRVS TYPE STRING,
CONGR TYPE STRING,
TXTMI TYPE STRING,
NAME1 TYPE STRING,
CNTRY TYPE STRING,
NAME2 TYPE STRING,
LANGU TYPE STRING,
STRET TYPE STRING,
POBOX TYPE STRING,
PSTLC TYPE STRING,
CITY TYPE STRING,
CURR TYPE STRING,
RESTA TYPE STRING,
RFORM TYPE STRING,
ZWEIG TYPE STRING,
MCOMP TYPE STRING,
MCLNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FC01FTAB_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_FC01FTAB_STR-STRVS sy-vline 
WA_FC01FTAB_STR-CONGR sy-vline 
WA_FC01FTAB_STR-TXTMI sy-vline 
WA_FC01FTAB_STR-NAME1 sy-vline 
WA_FC01FTAB_STR-CNTRY sy-vline 
WA_FC01FTAB_STR-NAME2 sy-vline 
WA_FC01FTAB_STR-LANGU sy-vline 
WA_FC01FTAB_STR-STRET sy-vline 
WA_FC01FTAB_STR-POBOX sy-vline 
WA_FC01FTAB_STR-PSTLC sy-vline 
WA_FC01FTAB_STR-CITY sy-vline 
WA_FC01FTAB_STR-CURR sy-vline 
WA_FC01FTAB_STR-RESTA sy-vline 
WA_FC01FTAB_STR-RFORM sy-vline 
WA_FC01FTAB_STR-ZWEIG sy-vline 
WA_FC01FTAB_STR-MCOMP sy-vline 
WA_FC01FTAB_STR-MCLNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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