ABAP Select data from SAP table FCC_INST_FILE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCC_INST_FILE
*  INTO TABLE @DATA(IT_FCC_INST_FILE2).
*--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_FCC_INST_FILE INDEX 1 INTO DATA(WA_FCC_INST_FILE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCC_INST_FILE>-MANDT = 1.
<FCC_INST_FILE>-PROFILE = 1.
<FCC_INST_FILE>-INSTANCE = 1.
<FCC_INST_FILE>-NODE = 1.
<FCC_INST_FILE>-ITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCC_INST_FILE-TMSTMP, sy-vline,
  WA_FCC_INST_FILE-FTYPE, sy-vline,
  WA_FCC_INST_FILE-STEP, sy-vline,
  WA_FCC_INST_FILE-OFILE, sy-vline,
  WA_FCC_INST_FILE-FSIZE, sy-vline,
  WA_FCC_INST_FILE-LOG_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCC_INST_FILE 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_FCC_INST_FILE 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_FCC_INST_FILE INTO WA_FCC_INST_FILE.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FCC_INST_FILE_STR, 
MANDT TYPE STRING,
PROFILE TYPE STRING,
INSTANCE TYPE STRING,
NODE TYPE STRING,
ITEM TYPE STRING,
TMSTMP TYPE STRING,
FTYPE TYPE STRING,
STEP TYPE STRING,
OFILE TYPE STRING,
FSIZE TYPE STRING,
LOG_ID TYPE STRING,
FITYPE TYPE STRING,
FILE_NAME TYPE STRING,
JOB_STEP_NAME TYPE STRING,
JOB_ID TYPE STRING,
JOB_CHAIN_STEP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCC_INST_FILE_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_FCC_INST_FILE_STR-MANDT sy-vline 
WA_FCC_INST_FILE_STR-PROFILE sy-vline 
WA_FCC_INST_FILE_STR-INSTANCE sy-vline 
WA_FCC_INST_FILE_STR-NODE sy-vline 
WA_FCC_INST_FILE_STR-ITEM sy-vline 
WA_FCC_INST_FILE_STR-TMSTMP sy-vline 
WA_FCC_INST_FILE_STR-FTYPE sy-vline 
WA_FCC_INST_FILE_STR-STEP sy-vline 
WA_FCC_INST_FILE_STR-OFILE sy-vline 
WA_FCC_INST_FILE_STR-FSIZE sy-vline 
WA_FCC_INST_FILE_STR-LOG_ID sy-vline 
WA_FCC_INST_FILE_STR-FITYPE sy-vline 
WA_FCC_INST_FILE_STR-FILE_NAME sy-vline 
WA_FCC_INST_FILE_STR-JOB_STEP_NAME sy-vline 
WA_FCC_INST_FILE_STR-JOB_ID sy-vline 
WA_FCC_INST_FILE_STR-JOB_CHAIN_STEP sy-vline      INTO ld_text SEPARATED BY SPACE.

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