ABAP Select data from SAP table FREE_GOODS_010_BAPIRET2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FREE_GOODS_010_BAPIRET2 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 FREE_GOODS_010_BAPIRET2. 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 FREE_GOODS_010_BAPIRET2 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_FREE_GOODS_010_BAPIRET2 TYPE STANDARD TABLE OF FREE_GOODS_010_BAPIRET2,
      WA_FREE_GOODS_010_BAPIRET2 TYPE FREE_GOODS_010_BAPIRET2,
      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: <FREE_GOODS_010_BAPIRET2> TYPE FREE_GOODS_010_BAPIRET2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FREE_GOODS_010_BAPIRET2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FREE_GOODS_010_BAPIRET2
  INTO TABLE IT_FREE_GOODS_010_BAPIRET2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FREE_GOODS_010_BAPIRET2
*  INTO TABLE @DATA(IT_FREE_GOODS_010_BAPIRET22).
*--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_FREE_GOODS_010_BAPIRET2 INDEX 1 INTO DATA(WA_FREE_GOODS_010_BAPIRET22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FREE_GOODS_010_BAPIRET2 ASSIGNING <FREE_GOODS_010_BAPIRET2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FREE_GOODS_010_BAPIRET2>-SENDER_TECHNICAL_ID = 1.
<FREE_GOODS_010_BAPIRET2>-APPLICATION = 1.
<FREE_GOODS_010_BAPIRET2>-DISCOUNTTYPE = 1.
<FREE_GOODS_010_BAPIRET2>-SALESORGANIZATION = 1.
<FREE_GOODS_010_BAPIRET2>-DISTRIBUTIONCHANNEL = 1.

ENDLOOP.

LOOP AT IT_FREE_GOODS_010_BAPIRET2 INTO WA_FREE_GOODS_010_BAPIRET2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FREE_GOODS_010_BAPIRET2-CUSTOMERNUMBER, sy-vline,
  WA_FREE_GOODS_010_BAPIRET2-MATERIALNUMBER, sy-vline,
  WA_FREE_GOODS_010_BAPIRET2-CONDITIONVALIDITYENDDATE, sy-vline,
  WA_FREE_GOODS_010_BAPIRET2-TYPE, sy-vline,
  WA_FREE_GOODS_010_BAPIRET2-ID, sy-vline,
  WA_FREE_GOODS_010_BAPIRET2-NUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FREE_GOODS_010_BAPIRET2 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_FREE_GOODS_010_BAPIRET2 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_FREE_GOODS_010_BAPIRET2 INTO WA_FREE_GOODS_010_BAPIRET2.


*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 CUSTOMERNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FREE_GOODS_010_BAPIRET2-CUSTOMERNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FREE_GOODS_010_BAPIRET2-CUSTOMERNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIALNUMBER
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_FREE_GOODS_010_BAPIRET2-MATERIALNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FREE_GOODS_010_BAPIRET2-MATERIALNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FREE_GOODS_010_BAPIRET2-SYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FREE_GOODS_010_BAPIRET2-SYSTEM.
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_FREE_GOODS_010_BAPIRET2_STR, 
SENDER_TECHNICAL_ID TYPE STRING,
APPLICATION TYPE STRING,
DISCOUNTTYPE TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
CUSTOMERNUMBER TYPE STRING,
MATERIALNUMBER TYPE STRING,
CONDITIONVALIDITYENDDATE TYPE STRING,
TYPE TYPE STRING,
ID TYPE STRING,
NUMBER TYPE STRING,
MESSAGE TYPE STRING,
LOG_NO TYPE STRING,
LOG_MSG_NO TYPE STRING,
MESSAGE_V1 TYPE STRING,
MESSAGE_V2 TYPE STRING,
MESSAGE_V3 TYPE STRING,
MESSAGE_V4 TYPE STRING,
PARAMETER TYPE STRING,
ROW TYPE STRING,
FIELD TYPE STRING,
SYSTEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FREE_GOODS_010_BAPIRET2_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_FREE_GOODS_010_BAPIRET2_STR-SENDER_TECHNICAL_ID sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-APPLICATION sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-DISCOUNTTYPE sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-SALESORGANIZATION sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-CUSTOMERNUMBER sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-MATERIALNUMBER sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-CONDITIONVALIDITYENDDATE sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-TYPE sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-ID sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-NUMBER sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-MESSAGE sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-LOG_NO sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-LOG_MSG_NO sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-MESSAGE_V1 sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-MESSAGE_V2 sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-MESSAGE_V3 sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-MESSAGE_V4 sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-PARAMETER sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-ROW sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-FIELD sy-vline 
WA_FREE_GOODS_010_BAPIRET2_STR-SYSTEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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