ABAP Select data from SAP table BAPITSWNOM02 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPITSWNOM02 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 BAPITSWNOM02. 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 BAPITSWNOM02 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_BAPITSWNOM02 TYPE STANDARD TABLE OF BAPITSWNOM02,
      WA_BAPITSWNOM02 TYPE BAPITSWNOM02,
      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: <BAPITSWNOM02> TYPE BAPITSWNOM02.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPITSWNOM02.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPITSWNOM02
  INTO TABLE IT_BAPITSWNOM02.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPITSWNOM02
*  INTO TABLE @DATA(IT_BAPITSWNOM022).
*--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_BAPITSWNOM02 INDEX 1 INTO DATA(WA_BAPITSWNOM022).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPITSWNOM02 ASSIGNING <BAPITSWNOM02>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPITSWNOM02>-NOMINATIONNUMBER_SAP = 1.
<BAPITSWNOM02>-NOMINATIONNUMBER_EXT = 1.
<BAPITSWNOM02>-TRANSPORTSYSTEM = 1.
<BAPITSWNOM02>-SHIPPER = 1.
<BAPITSWNOM02>-CARRIER = 1.

ENDLOOP.

LOOP AT IT_BAPITSWNOM02 INTO WA_BAPITSWNOM02.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPITSWNOM02-CYCLEID, sy-vline,
  WA_BAPITSWNOM02-NOMINATIONSTATUS, sy-vline,
  WA_BAPITSWNOM02-LOADQUANTITY, sy-vline,
  WA_BAPITSWNOM02-DISCHARGEQUANTITY, sy-vline,
  WA_BAPITSWNOM02-QUANTITYUNIT_SAP, sy-vline,
  WA_BAPITSWNOM02-QUANTITYUNIT_ISO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPITSWNOM02 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_BAPITSWNOM02 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_BAPITSWNOM02 INTO WA_BAPITSWNOM02.


*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 NOMINATIONNUMBER_SAP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPITSWNOM02-NOMINATIONNUMBER_SAP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPITSWNOM02-NOMINATIONNUMBER_SAP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SHIPPER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPITSWNOM02-SHIPPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPITSWNOM02-SHIPPER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CARRIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPITSWNOM02-CARRIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPITSWNOM02-CARRIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field QUANTITYUNIT_SAP
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BAPITSWNOM02-QUANTITYUNIT_SAP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPITSWNOM02-QUANTITYUNIT_SAP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VEHICLEID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPITSWNOM02-VEHICLEID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPITSWNOM02-VEHICLEID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SHIPMENTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPITSWNOM02-SHIPMENTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPITSWNOM02-SHIPMENTNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field APOSHIPMENTNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPITSWNOM02-APOSHIPMENTNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPITSWNOM02-APOSHIPMENTNUM.
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_BAPITSWNOM02_STR, 
NOMINATIONNUMBER_SAP TYPE STRING,
NOMINATIONNUMBER_EXT TYPE STRING,
TRANSPORTSYSTEM TYPE STRING,
SHIPPER TYPE STRING,
CARRIER TYPE STRING,
CYCLEID TYPE STRING,
NOMINATIONSTATUS TYPE STRING,
LOADQUANTITY TYPE STRING,
DISCHARGEQUANTITY TYPE STRING,
QUANTITYUNIT_SAP TYPE STRING,
QUANTITYUNIT_ISO TYPE STRING,
WORKLISTINDICATOR TYPE STRING,
NOMINATIONSENDDATE TYPE STRING,
NOMINATIONSENDTIME TYPE STRING,
SENDERNAME TYPE STRING,
SHIPMENTTYPE TYPE STRING,
EVENTSEQUENCENUMBER TYPE STRING,
EVENTGROUP TYPE STRING,
INTRANSITPLANT TYPE STRING,
INTRANSITSTORAGELOCATION TYPE STRING,
TRANSPORTATIONPLANNINGPOINT TYPE STRING,
VEHICLEID TYPE STRING,
VEHICLEREFERENCEID TYPE STRING,
BALANCECHECKINDICATOR TYPE STRING,
ITEMSCOUNTER TYPE STRING,
PLANNEDITEMS TYPE STRING,
SCHEDULEDITEMS TYPE STRING,
REJECTEDITEMS TYPE STRING,
CONFIRMEDITEMS TYPE STRING,
PARTIALLYCOMPLETEDITEMS TYPE STRING,
COMPLETEDITEMS TYPE STRING,
SHIPMENTNUMBER TYPE STRING,
BOOKTSFLAG TYPE STRING,
SHIPPINGTYPE TYPE STRING,
MODOFTRANSPORT TYPE STRING,
BLOCKINGINDICATOR TYPE STRING,
DELETIONINDICATOR TYPE STRING,
APOSHIPMENTGUID TYPE STRING,
APOSHIPMENTNUM TYPE STRING,
ROUTE TYPE STRING,
NOMINATIONTYPE TYPE STRING,
ECC_SHIPMENTTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPITSWNOM02_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_BAPITSWNOM02_STR-NOMINATIONNUMBER_SAP sy-vline 
WA_BAPITSWNOM02_STR-NOMINATIONNUMBER_EXT sy-vline 
WA_BAPITSWNOM02_STR-TRANSPORTSYSTEM sy-vline 
WA_BAPITSWNOM02_STR-SHIPPER sy-vline 
WA_BAPITSWNOM02_STR-CARRIER sy-vline 
WA_BAPITSWNOM02_STR-CYCLEID sy-vline 
WA_BAPITSWNOM02_STR-NOMINATIONSTATUS sy-vline 
WA_BAPITSWNOM02_STR-LOADQUANTITY sy-vline 
WA_BAPITSWNOM02_STR-DISCHARGEQUANTITY sy-vline 
WA_BAPITSWNOM02_STR-QUANTITYUNIT_SAP sy-vline 
WA_BAPITSWNOM02_STR-QUANTITYUNIT_ISO sy-vline 
WA_BAPITSWNOM02_STR-WORKLISTINDICATOR sy-vline 
WA_BAPITSWNOM02_STR-NOMINATIONSENDDATE sy-vline 
WA_BAPITSWNOM02_STR-NOMINATIONSENDTIME sy-vline 
WA_BAPITSWNOM02_STR-SENDERNAME sy-vline 
WA_BAPITSWNOM02_STR-SHIPMENTTYPE sy-vline 
WA_BAPITSWNOM02_STR-EVENTSEQUENCENUMBER sy-vline 
WA_BAPITSWNOM02_STR-EVENTGROUP sy-vline 
WA_BAPITSWNOM02_STR-INTRANSITPLANT sy-vline 
WA_BAPITSWNOM02_STR-INTRANSITSTORAGELOCATION sy-vline 
WA_BAPITSWNOM02_STR-TRANSPORTATIONPLANNINGPOINT sy-vline 
WA_BAPITSWNOM02_STR-VEHICLEID sy-vline 
WA_BAPITSWNOM02_STR-VEHICLEREFERENCEID sy-vline 
WA_BAPITSWNOM02_STR-BALANCECHECKINDICATOR sy-vline 
WA_BAPITSWNOM02_STR-ITEMSCOUNTER sy-vline 
WA_BAPITSWNOM02_STR-PLANNEDITEMS sy-vline 
WA_BAPITSWNOM02_STR-SCHEDULEDITEMS sy-vline 
WA_BAPITSWNOM02_STR-REJECTEDITEMS sy-vline 
WA_BAPITSWNOM02_STR-CONFIRMEDITEMS sy-vline 
WA_BAPITSWNOM02_STR-PARTIALLYCOMPLETEDITEMS sy-vline 
WA_BAPITSWNOM02_STR-COMPLETEDITEMS sy-vline 
WA_BAPITSWNOM02_STR-SHIPMENTNUMBER sy-vline 
WA_BAPITSWNOM02_STR-BOOKTSFLAG sy-vline 
WA_BAPITSWNOM02_STR-SHIPPINGTYPE sy-vline 
WA_BAPITSWNOM02_STR-MODOFTRANSPORT sy-vline 
WA_BAPITSWNOM02_STR-BLOCKINGINDICATOR sy-vline 
WA_BAPITSWNOM02_STR-DELETIONINDICATOR sy-vline 
WA_BAPITSWNOM02_STR-APOSHIPMENTGUID sy-vline 
WA_BAPITSWNOM02_STR-APOSHIPMENTNUM sy-vline 
WA_BAPITSWNOM02_STR-ROUTE sy-vline 
WA_BAPITSWNOM02_STR-NOMINATIONTYPE sy-vline 
WA_BAPITSWNOM02_STR-ECC_SHIPMENTTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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