ABAP Select data from SAP table J_1BFIFOOUT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_1BFIFOOUT 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_1BFIFOOUT. 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_1BFIFOOUT 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_1BFIFOOUT TYPE STANDARD TABLE OF J_1BFIFOOUT,
      WA_J_1BFIFOOUT TYPE J_1BFIFOOUT,
      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_1BFIFOOUT> TYPE J_1BFIFOOUT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_1BFIFOOUT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_1BFIFOOUT
  INTO TABLE IT_J_1BFIFOOUT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_1BFIFOOUT
*  INTO TABLE @DATA(IT_J_1BFIFOOUT2).
*--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_1BFIFOOUT INDEX 1 INTO DATA(WA_J_1BFIFOOUT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_1BFIFOOUT ASSIGNING <J_1BFIFOOUT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_1BFIFOOUT>-MANDT = 1.
<J_1BFIFOOUT>-BUKRS = 1.
<J_1BFIFOOUT>-LIFNR = 1.
<J_1BFIFOOUT>-MATNR = 1.
<J_1BFIFOOUT>-MBLNR = 1.

ENDLOOP.

LOOP AT IT_J_1BFIFOOUT INTO WA_J_1BFIFOOUT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_1BFIFOOUT-MJAHR, sy-vline,
  WA_J_1BFIFOOUT-ZEILE, sy-vline,
  WA_J_1BFIFOOUT-SOBKZ, sy-vline,
  WA_J_1BFIFOOUT-COUNTER, sy-vline,
  WA_J_1BFIFOOUT-STATUS, sy-vline,
  WA_J_1BFIFOOUT-BUDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_1BFIFOOUT 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_1BFIFOOUT 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_1BFIFOOUT INTO WA_J_1BFIFOOUT.


*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 LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1BFIFOOUT-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1BFIFOOUT-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_J_1BFIFOOUT-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1BFIFOOUT-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1BFIFOOUT-MBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1BFIFOOUT-MBLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field MJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_1BFIFOOUT-MJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1BFIFOOUT-MJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_J_1BFIFOOUT-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1BFIFOOUT-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MBLNR_OUT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1BFIFOOUT-MBLNR_OUT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1BFIFOOUT-MBLNR_OUT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field MJAHR_OUT
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_1BFIFOOUT-MJAHR_OUT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1BFIFOOUT-MJAHR_OUT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_J_1BFIFOOUT-KMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1BFIFOOUT-KMEIN.
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_1BFIFOOUT_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
LIFNR TYPE STRING,
MATNR TYPE STRING,
MBLNR TYPE STRING,
MJAHR TYPE STRING,
ZEILE TYPE STRING,
SOBKZ TYPE STRING,
COUNTER TYPE STRING,
STATUS TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
QUANTITY TYPE STRING,
MEINS TYPE STRING,
SHKZG TYPE STRING,
MBLNR_OUT TYPE STRING,
MJAHR_OUT TYPE STRING,
ZEILE_OUT TYPE STRING,
KBETR TYPE STRING,
KPEIN TYPE STRING,
KMEIN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_1BFIFOOUT_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_1BFIFOOUT_STR-MANDT sy-vline 
WA_J_1BFIFOOUT_STR-BUKRS sy-vline 
WA_J_1BFIFOOUT_STR-LIFNR sy-vline 
WA_J_1BFIFOOUT_STR-MATNR sy-vline 
WA_J_1BFIFOOUT_STR-MBLNR sy-vline 
WA_J_1BFIFOOUT_STR-MJAHR sy-vline 
WA_J_1BFIFOOUT_STR-ZEILE sy-vline 
WA_J_1BFIFOOUT_STR-SOBKZ sy-vline 
WA_J_1BFIFOOUT_STR-COUNTER sy-vline 
WA_J_1BFIFOOUT_STR-STATUS sy-vline 
WA_J_1BFIFOOUT_STR-BUDAT sy-vline 
WA_J_1BFIFOOUT_STR-BLDAT sy-vline 
WA_J_1BFIFOOUT_STR-QUANTITY sy-vline 
WA_J_1BFIFOOUT_STR-MEINS sy-vline 
WA_J_1BFIFOOUT_STR-SHKZG sy-vline 
WA_J_1BFIFOOUT_STR-MBLNR_OUT sy-vline 
WA_J_1BFIFOOUT_STR-MJAHR_OUT sy-vline 
WA_J_1BFIFOOUT_STR-ZEILE_OUT sy-vline 
WA_J_1BFIFOOUT_STR-KBETR sy-vline 
WA_J_1BFIFOOUT_STR-KPEIN sy-vline 
WA_J_1BFIFOOUT_STR-KMEIN sy-vline      INTO ld_text SEPARATED BY SPACE.

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