ABAP Select data from SAP table FC03RL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FC03RL 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 FC03RL. 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 FC03RL 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_FC03RL TYPE STANDARD TABLE OF FC03RL,
      WA_FC03RL TYPE FC03RL,
      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: <FC03RL> TYPE FC03RL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FC03RL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FC03RL
  INTO TABLE IT_FC03RL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FC03RL
*  INTO TABLE @DATA(IT_FC03RL2).
*--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_FC03RL INDEX 1 INTO DATA(WA_FC03RL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FC03RL ASSIGNING <FC03RL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FC03RL>-VALRL = 1.
<FC03RL>-SEQNR = 1.
<FC03RL>-OPERT = 1.
<FC03RL>-OP1 = 1.
<FC03RL>-OP2 = 1.

ENDLOOP.

LOOP AT IT_FC03RL INTO WA_FC03RL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FC03RL-OP3, sy-vline,
  WA_FC03RL-PARAM1, sy-vline,
  WA_FC03RL-VALUE1, sy-vline,
  WA_FC03RL-PARAM2, sy-vline,
  WA_FC03RL-VALUE2, sy-vline,
  WA_FC03RL-PARAM3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FC03RL 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_FC03RL 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_FC03RL INTO WA_FC03RL.


*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_FC03RL_STR, 
VALRL TYPE STRING,
SEQNR TYPE STRING,
OPERT TYPE STRING,
OP1 TYPE STRING,
OP2 TYPE STRING,
OP3 TYPE STRING,
PARAM1 TYPE STRING,
VALUE1 TYPE STRING,
PARAM2 TYPE STRING,
VALUE2 TYPE STRING,
PARAM3 TYPE STRING,
VALUE3 TYPE STRING,
PARAM4 TYPE STRING,
VALUE4 TYPE STRING,
PARAM5 TYPE STRING,
VALUE5 TYPE STRING,
PARAM6 TYPE STRING,
VALUE6 TYPE STRING,
PARAM7 TYPE STRING,
VALUE7 TYPE STRING,
PARAM8 TYPE STRING,
VALUE8 TYPE STRING,
PARAM9 TYPE STRING,
VALUE9 TYPE STRING,
PARAM10 TYPE STRING,
VALUE10 TYPE STRING,
RESLT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FC03RL_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_FC03RL_STR-VALRL sy-vline 
WA_FC03RL_STR-SEQNR sy-vline 
WA_FC03RL_STR-OPERT sy-vline 
WA_FC03RL_STR-OP1 sy-vline 
WA_FC03RL_STR-OP2 sy-vline 
WA_FC03RL_STR-OP3 sy-vline 
WA_FC03RL_STR-PARAM1 sy-vline 
WA_FC03RL_STR-VALUE1 sy-vline 
WA_FC03RL_STR-PARAM2 sy-vline 
WA_FC03RL_STR-VALUE2 sy-vline 
WA_FC03RL_STR-PARAM3 sy-vline 
WA_FC03RL_STR-VALUE3 sy-vline 
WA_FC03RL_STR-PARAM4 sy-vline 
WA_FC03RL_STR-VALUE4 sy-vline 
WA_FC03RL_STR-PARAM5 sy-vline 
WA_FC03RL_STR-VALUE5 sy-vline 
WA_FC03RL_STR-PARAM6 sy-vline 
WA_FC03RL_STR-VALUE6 sy-vline 
WA_FC03RL_STR-PARAM7 sy-vline 
WA_FC03RL_STR-VALUE7 sy-vline 
WA_FC03RL_STR-PARAM8 sy-vline 
WA_FC03RL_STR-VALUE8 sy-vline 
WA_FC03RL_STR-PARAM9 sy-vline 
WA_FC03RL_STR-VALUE9 sy-vline 
WA_FC03RL_STR-PARAM10 sy-vline 
WA_FC03RL_STR-VALUE10 sy-vline 
WA_FC03RL_STR-RESLT sy-vline      INTO ld_text SEPARATED BY SPACE.

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