ABAP Select data from SAP table J_3RCLOFIIT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_3RCLOFIIT 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 J_3RCLOFIIT. 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 J_3RCLOFIIT 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_J_3RCLOFIIT TYPE STANDARD TABLE OF J_3RCLOFIIT,
      WA_J_3RCLOFIIT TYPE J_3RCLOFIIT,
      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: <J_3RCLOFIIT> TYPE J_3RCLOFIIT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_3RCLOFIIT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_3RCLOFIIT
  INTO TABLE IT_J_3RCLOFIIT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_3RCLOFIIT
*  INTO TABLE @DATA(IT_J_3RCLOFIIT2).
*--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_J_3RCLOFIIT INDEX 1 INTO DATA(WA_J_3RCLOFIIT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_3RCLOFIIT ASSIGNING <J_3RCLOFIIT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_3RCLOFIIT>-GJARR = 1.
<J_3RCLOFIIT>-BELRR = 1.
<J_3RCLOFIIT>-BUZRR = 1.
<J_3RCLOFIIT>-KOARR = 1.
<J_3RCLOFIIT>-SHKZR = 1.

ENDLOOP.

LOOP AT IT_J_3RCLOFIIT INTO WA_J_3RCLOFIIT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_3RCLOFIIT-WRBTR, sy-vline,
  WA_J_3RCLOFIIT-WAERR, sy-vline,
  WA_J_3RCLOFIIT-AUGRR, sy-vline,
  WA_J_3RCLOFIIT-GJAPR, sy-vline,
  WA_J_3RCLOFIIT-BELPR, sy-vline,
  WA_J_3RCLOFIIT-BUZPR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_3RCLOFIIT 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_J_3RCLOFIIT 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_J_3RCLOFIIT INTO WA_J_3RCLOFIIT.


*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 GJAHR, internal->external for field GJARR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLOFIIT-GJARR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLOFIIT-GJARR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELRR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLOFIIT-BELRR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLOFIIT-BELRR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field WRBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLOFIIT-WRBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLOFIIT-WRBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUGRR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLOFIIT-AUGRR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLOFIIT-AUGRR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAPR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLOFIIT-GJAPR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLOFIIT-GJAPR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELPR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLOFIIT-BELPR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLOFIIT-BELPR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLOFIIT-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLOFIIT-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLOFIIT-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLOFIIT-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLOFIIT-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLOFIIT-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field WRBTI
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLOFIIT-WRBTI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLOFIIT-WRBTI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUGBL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLOFIIT-AUGBL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLOFIIT-AUGBL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAPI
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLOFIIT-GJAPI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLOFIIT-GJAPI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELPI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLOFIIT-BELPI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLOFIIT-BELPI.
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_J_3RCLOFIIT_STR, 
GJARR TYPE STRING,
BELRR TYPE STRING,
BUZRR TYPE STRING,
KOARR TYPE STRING,
SHKZR TYPE STRING,
WRBTR TYPE STRING,
WAERR TYPE STRING,
AUGRR TYPE STRING,
GJAPR TYPE STRING,
BELPR TYPE STRING,
BUZPR TYPE STRING,
HKONT TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
KOARI TYPE STRING,
SHKZI TYPE STRING,
WRBTI TYPE STRING,
WAERI TYPE STRING,
AUGBL TYPE STRING,
GJAPI TYPE STRING,
BELPI TYPE STRING,
BUZPI TYPE STRING,
NOTES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_3RCLOFIIT_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_J_3RCLOFIIT_STR-GJARR sy-vline 
WA_J_3RCLOFIIT_STR-BELRR sy-vline 
WA_J_3RCLOFIIT_STR-BUZRR sy-vline 
WA_J_3RCLOFIIT_STR-KOARR sy-vline 
WA_J_3RCLOFIIT_STR-SHKZR sy-vline 
WA_J_3RCLOFIIT_STR-WRBTR sy-vline 
WA_J_3RCLOFIIT_STR-WAERR sy-vline 
WA_J_3RCLOFIIT_STR-AUGRR sy-vline 
WA_J_3RCLOFIIT_STR-GJAPR sy-vline 
WA_J_3RCLOFIIT_STR-BELPR sy-vline 
WA_J_3RCLOFIIT_STR-BUZPR sy-vline 
WA_J_3RCLOFIIT_STR-HKONT sy-vline 
WA_J_3RCLOFIIT_STR-GJAHR sy-vline 
WA_J_3RCLOFIIT_STR-BELNR sy-vline 
WA_J_3RCLOFIIT_STR-BUZEI sy-vline 
WA_J_3RCLOFIIT_STR-KOARI sy-vline 
WA_J_3RCLOFIIT_STR-SHKZI sy-vline 
WA_J_3RCLOFIIT_STR-WRBTI sy-vline 
WA_J_3RCLOFIIT_STR-WAERI sy-vline 
WA_J_3RCLOFIIT_STR-AUGBL sy-vline 
WA_J_3RCLOFIIT_STR-GJAPI sy-vline 
WA_J_3RCLOFIIT_STR-BELPI sy-vline 
WA_J_3RCLOFIIT_STR-BUZPI sy-vline 
WA_J_3RCLOFIIT_STR-NOTES sy-vline      INTO ld_text SEPARATED BY SPACE.

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