ABAP Select data from SAP table FAR_DP_L2L3_S_L2L3_TRANS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FAR_DP_L2L3_S_L2L3_TRANS 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 FAR_DP_L2L3_S_L2L3_TRANS. 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 FAR_DP_L2L3_S_L2L3_TRANS 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_FAR_DP_L2L3_S_L2L3_TRANS TYPE STANDARD TABLE OF FAR_DP_L2L3_S_L2L3_TRANS,
      WA_FAR_DP_L2L3_S_L2L3_TRANS TYPE FAR_DP_L2L3_S_L2L3_TRANS,
      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: <FAR_DP_L2L3_S_L2L3_TRANS> TYPE FAR_DP_L2L3_S_L2L3_TRANS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FAR_DP_L2L3_S_L2L3_TRANS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FAR_DP_L2L3_S_L2L3_TRANS
  INTO TABLE IT_FAR_DP_L2L3_S_L2L3_TRANS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAR_DP_L2L3_S_L2L3_TRANS
*  INTO TABLE @DATA(IT_FAR_DP_L2L3_S_L2L3_TRANS2).
*--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_FAR_DP_L2L3_S_L2L3_TRANS INDEX 1 INTO DATA(WA_FAR_DP_L2L3_S_L2L3_TRANS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FAR_DP_L2L3_S_L2L3_TRANS ASSIGNING <FAR_DP_L2L3_S_L2L3_TRANS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAR_DP_L2L3_S_L2L3_TRANS>-DIGITALPAYMENTEXTERNALORDER = 1.
<FAR_DP_L2L3_S_L2L3_TRANS>-TRANSACTIONCURRENCY = 1.
<FAR_DP_L2L3_S_L2L3_TRANS>-SALESORDER = 1.
<FAR_DP_L2L3_S_L2L3_TRANS>-SALESORDERDATE = 1.
<FAR_DP_L2L3_S_L2L3_TRANS>-CUSTOMERINVOICE = 1.

ENDLOOP.

LOOP AT IT_FAR_DP_L2L3_S_L2L3_TRANS INTO WA_FAR_DP_L2L3_S_L2L3_TRANS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAR_DP_L2L3_S_L2L3_TRANS-TAXAMOUNT, sy-vline,
  WA_FAR_DP_L2L3_S_L2L3_TRANS-FREIGHTAMOUNT, sy-vline,
  WA_FAR_DP_L2L3_S_L2L3_TRANS-DIGITALPAYMENTDUTYAMOUNT, sy-vline,
  WA_FAR_DP_L2L3_S_L2L3_TRANS-DISCOUNTAMOUNT, sy-vline,
  WA_FAR_DP_L2L3_S_L2L3_TRANS-SHIPTOPARTYCOUNTRY, sy-vline,
  WA_FAR_DP_L2L3_S_L2L3_TRANS-SHIPTOPARTYREGION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAR_DP_L2L3_S_L2L3_TRANS 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_FAR_DP_L2L3_S_L2L3_TRANS 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_FAR_DP_L2L3_S_L2L3_TRANS INTO WA_FAR_DP_L2L3_S_L2L3_TRANS.


*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 SALESORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAR_DP_L2L3_S_L2L3_TRANS-SALESORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAR_DP_L2L3_S_L2L3_TRANS-SALESORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMERINVOICE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAR_DP_L2L3_S_L2L3_TRANS-CUSTOMERINVOICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAR_DP_L2L3_S_L2L3_TRANS-CUSTOMERINVOICE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field TAXAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FAR_DP_L2L3_S_L2L3_TRANS-TAXAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAR_DP_L2L3_S_L2L3_TRANS-TAXAMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC112, internal->external for field DIGITALPAYMENTDUTYAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC112_OUTPUT'
  EXPORTING
    input =                      WA_FAR_DP_L2L3_S_L2L3_TRANS-DIGITALPAYMENTDUTYAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAR_DP_L2L3_S_L2L3_TRANS-DIGITALPAYMENTDUTYAMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC112, internal->external for field TAXRATE
CALL FUNCTION 'CONVERSION_EXIT_AC112_OUTPUT'
  EXPORTING
    input =                      WA_FAR_DP_L2L3_S_L2L3_TRANS-TAXRATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAR_DP_L2L3_S_L2L3_TRANS-TAXRATE.
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_FAR_DP_L2L3_S_L2L3_TRANS_STR, 
DIGITALPAYMENTEXTERNALORDER TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERDATE TYPE STRING,
CUSTOMERINVOICE TYPE STRING,
TAXAMOUNT TYPE STRING,
FREIGHTAMOUNT TYPE STRING,
DIGITALPAYMENTDUTYAMOUNT TYPE STRING,
DISCOUNTAMOUNT TYPE STRING,
SHIPTOPARTYCOUNTRY TYPE STRING,
SHIPTOPARTYREGION TYPE STRING,
SHIPTOPARTYPOSTALCODE TYPE STRING,
SHIPFROMPARTYCOUNTRY TYPE STRING,
SHIPFROMPARTYPOSTALCODE TYPE STRING,
TAXRATE TYPE STRING,
L3ITEMS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAR_DP_L2L3_S_L2L3_TRANS_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_FAR_DP_L2L3_S_L2L3_TRANS_STR-DIGITALPAYMENTEXTERNALORDER sy-vline 
WA_FAR_DP_L2L3_S_L2L3_TRANS_STR-TRANSACTIONCURRENCY sy-vline 
WA_FAR_DP_L2L3_S_L2L3_TRANS_STR-SALESORDER sy-vline 
WA_FAR_DP_L2L3_S_L2L3_TRANS_STR-SALESORDERDATE sy-vline 
WA_FAR_DP_L2L3_S_L2L3_TRANS_STR-CUSTOMERINVOICE sy-vline 
WA_FAR_DP_L2L3_S_L2L3_TRANS_STR-TAXAMOUNT sy-vline 
WA_FAR_DP_L2L3_S_L2L3_TRANS_STR-FREIGHTAMOUNT sy-vline 
WA_FAR_DP_L2L3_S_L2L3_TRANS_STR-DIGITALPAYMENTDUTYAMOUNT sy-vline 
WA_FAR_DP_L2L3_S_L2L3_TRANS_STR-DISCOUNTAMOUNT sy-vline 
WA_FAR_DP_L2L3_S_L2L3_TRANS_STR-SHIPTOPARTYCOUNTRY sy-vline 
WA_FAR_DP_L2L3_S_L2L3_TRANS_STR-SHIPTOPARTYREGION sy-vline 
WA_FAR_DP_L2L3_S_L2L3_TRANS_STR-SHIPTOPARTYPOSTALCODE sy-vline 
WA_FAR_DP_L2L3_S_L2L3_TRANS_STR-SHIPFROMPARTYCOUNTRY sy-vline 
WA_FAR_DP_L2L3_S_L2L3_TRANS_STR-SHIPFROMPARTYPOSTALCODE sy-vline 
WA_FAR_DP_L2L3_S_L2L3_TRANS_STR-TAXRATE sy-vline 
WA_FAR_DP_L2L3_S_L2L3_TRANS_STR-L3ITEMS sy-vline      INTO ld_text SEPARATED BY SPACE.

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