ABAP Select data from SAP table FRE_REPLOP_ITEM_REQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FRE_REPLOP_ITEM_REQ
*  INTO TABLE @DATA(IT_FRE_REPLOP_ITEM_REQ2).
*--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_FRE_REPLOP_ITEM_REQ INDEX 1 INTO DATA(WA_FRE_REPLOP_ITEM_REQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FRE_REPLOP_ITEM_REQ>-CONTROLLER = 1.
<FRE_REPLOP_ITEM_REQ>-ACTION_CODE = 1.
<FRE_REPLOP_ITEM_REQ>-COMPLETE_TRANSMISSION_INDICAT = 1.
<FRE_REPLOP_ITEM_REQ>-ID = 1.
<FRE_REPLOP_ITEM_REQ>-PURCHASING_GROUP_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FRE_REPLOP_ITEM_REQ-TRANSSHIPMENT_METHOD_CODE, sy-vline,
  WA_FRE_REPLOP_ITEM_REQ-CONSIGNMENT_INDICATOR, sy-vline,
  WA_FRE_REPLOP_ITEM_REQ-ORDER_PERIOD, sy-vline,
  WA_FRE_REPLOP_ITEM_REQ-CONTROLLER, sy-vline,
  WA_FRE_REPLOP_ITEM_REQ-START_DATE_TIME, sy-vline,
  WA_FRE_REPLOP_ITEM_REQ-END_DATE_TIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FRE_REPLOP_ITEM_REQ 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_FRE_REPLOP_ITEM_REQ 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_FRE_REPLOP_ITEM_REQ INTO WA_FRE_REPLOP_ITEM_REQ.


*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_FRE_REPLOP_ITEM_REQ_STR, 
CONTROLLER TYPE STRING,
ACTION_CODE TYPE STRING,
COMPLETE_TRANSMISSION_INDICAT TYPE STRING,
ID TYPE STRING,
PURCHASING_GROUP_ID TYPE STRING,
TRANSSHIPMENT_METHOD_CODE TYPE STRING,
CONSIGNMENT_INDICATOR TYPE STRING,
ORDER_PERIOD TYPE STRING,
CONTROLLER TYPE STRING,
START_DATE_TIME TYPE STRING,
END_DATE_TIME TYPE STRING,
PRODUCT TYPE STRING,
CONTROLLER TYPE STRING,
INTERNAL_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
VALUE TYPE STRING,
STANDARD_ID TYPE STRING,
PRODUCT_CATEGORY TYPE STRING,
CONTROLLER TYPE STRING,
INTERNAL_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
VALUE TYPE STRING,
VENDOR_PRODUCT_CATEGRORY TYPE STRING,
CONTROLLER TYPE STRING,
INTERNAL_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
VALUE TYPE STRING,
NET_PURCHASE_PRICE TYPE STRING,
CONTROLLER TYPE STRING,
AMOUNT TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY_CODE TYPE STRING,
VALUE TYPE STRING,
BASE_QUANTITY TYPE STRING,
CONTROLLER TYPE STRING,
UNIT_CODE TYPE STRING,
VALUE TYPE STRING,
BUYER_PARTY TYPE STRING,
CONTROLLER TYPE STRING,
INTERNAL_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
VALUE TYPE STRING,
STANDARD_ID TYPE STRING,
VENDOR_PARTY TYPE STRING,
CONTROLLER TYPE STRING,
INTERNAL_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
VALUE TYPE STRING,
STANDARD_ID TYPE STRING,
PRODUCT_RECIPIENT_PARTY TYPE STRING,
CONTROLLER TYPE STRING,
INTERNAL_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
VALUE TYPE STRING,
STANDARD_ID TYPE STRING,
SHIP_FROM_LOCATION TYPE STRING,
CONTROLLER TYPE STRING,
INTERNAL_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
VALUE TYPE STRING,
STANDARD_ID TYPE STRING,
BUYER_ID TYPE STRING,
PRODUCT_RECIPIENT_ID TYPE STRING,
VENDOR_ID TYPE STRING,
SHIP_TO_LOCATION TYPE STRING,
CONTROLLER TYPE STRING,
INTERNAL_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
VALUE TYPE STRING,
STANDARD_ID TYPE STRING,
BUYER_ID TYPE STRING,
PRODUCT_RECIPIENT_ID TYPE STRING,
VENDOR_ID TYPE STRING,
SCHEDULE_LINE TYPE STRING,
CONTROLLER TYPE STRING,
DELIVERY_PERIOD TYPE STRING,
CONTROLLER TYPE STRING,
START_DATE_TIME TYPE STRING,
END_DATE_TIME TYPE STRING,
QUANTITY TYPE STRING,
CONTROLLER TYPE STRING,
UNIT_CODE TYPE STRING,
VALUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FRE_REPLOP_ITEM_REQ_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_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-ACTION_CODE sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-COMPLETE_TRANSMISSION_INDICAT sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-PURCHASING_GROUP_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-TRANSSHIPMENT_METHOD_CODE sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONSIGNMENT_INDICATOR sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-ORDER_PERIOD sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-START_DATE_TIME sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-END_DATE_TIME sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-PRODUCT sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-INTERNAL_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-SCHEME_AGENCY_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-VALUE sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-STANDARD_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-PRODUCT_CATEGORY sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-INTERNAL_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-SCHEME_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-VALUE sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-VENDOR_PRODUCT_CATEGRORY sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-INTERNAL_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-SCHEME_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-VALUE sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-NET_PURCHASE_PRICE sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-AMOUNT sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CURRENCY_CODE sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-VALUE sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-BASE_QUANTITY sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-UNIT_CODE sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-VALUE sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-BUYER_PARTY sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-INTERNAL_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-SCHEME_AGENCY_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-VALUE sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-STANDARD_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-VENDOR_PARTY sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-INTERNAL_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-SCHEME_AGENCY_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-VALUE sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-STANDARD_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-PRODUCT_RECIPIENT_PARTY sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-INTERNAL_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-SCHEME_AGENCY_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-VALUE sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-STANDARD_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-SHIP_FROM_LOCATION sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-INTERNAL_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-SCHEME_AGENCY_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-VALUE sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-STANDARD_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-BUYER_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-PRODUCT_RECIPIENT_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-VENDOR_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-SHIP_TO_LOCATION sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-INTERNAL_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-SCHEME_AGENCY_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-VALUE sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-STANDARD_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-BUYER_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-PRODUCT_RECIPIENT_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-VENDOR_ID sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-SCHEDULE_LINE sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-DELIVERY_PERIOD sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-START_DATE_TIME sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-END_DATE_TIME sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-QUANTITY sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-CONTROLLER sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-UNIT_CODE sy-vline 
WA_FRE_REPLOP_ITEM_REQ_STR-VALUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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