ABAP Select data from SAP table ARUNVASSTOASSG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARUNVASSTOASSG
*  INTO TABLE @DATA(IT_ARUNVASSTOASSG2).
*--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_ARUNVASSTOASSG INDEX 1 INTO DATA(WA_ARUNVASSTOASSG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARUNVASSTOASSG>-MANDT = 1.
<ARUNVASSTOASSG>-REQUIREMENTTYPE = 1.
<ARUNVASSTOASSG>-PURCHASEORDER = 1.
<ARUNVASSTOASSG>-PURCHASEORDERITEM = 1.
<ARUNVASSTOASSG>-VALADDEDSRVCITEMNUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARUNVASSTOASSG-VALADDEDSRVCHASTOBEORDERED, sy-vline,
  WA_ARUNVASSTOASSG-PLANT, sy-vline,
  WA_ARUNVASSTOASSG-MATERIAL, sy-vline,
  WA_ARUNVASSTOASSG-RQMTISSUPASSGMTRELEVANT, sy-vline,
  WA_ARUNVASSTOASSG-ISINTERNALBATCHMANAGED, sy-vline,
  WA_ARUNVASSTOASSG-REQUESTEDDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARUNVASSTOASSG 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_ARUNVASSTOASSG 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_ARUNVASSTOASSG INTO WA_ARUNVASSTOASSG.


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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ARUNVASSTOASSG-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARUNVASSTOASSG-BASEUNIT.
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_ARUNVASSTOASSG_STR, 
MANDT TYPE STRING,
REQUIREMENTTYPE TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
VALADDEDSRVCITEMNUMBER TYPE STRING,
VALADDEDSRVCHASTOBEORDERED TYPE STRING,
PLANT TYPE STRING,
MATERIAL TYPE STRING,
RQMTISSUPASSGMTRELEVANT TYPE STRING,
ISINTERNALBATCHMANAGED TYPE STRING,
REQUESTEDDATE TYPE STRING,
PRODUCTAVAILABILITYDATE TYPE STRING,
REQUESTEDRQMTQTYINBASEUNIT TYPE STRING,
DELIVEREDQUANTITYINBASEUNIT TYPE STRING,
CONFIRMEDRQMTQTYINBASEUNIT TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
ORDERTYPE TYPE STRING,
SOLDTOPARTY TYPE STRING,
SHIPTOPARTY TYPE STRING,
SHIPPINGGROUPNUMBER TYPE STRING,
ARUNUUID TYPE STRING,
CROSSPLANTCONFIGURABLEPRODUCT TYPE STRING,
SUPPLYASSIGNMENTSTATUS TYPE STRING,
ASSIGNEDSUPPLYTYPE TYPE STRING,
STORAGELOCATION TYPE STRING,
BATCH TYPE STRING,
INBOUNDDELIVERY TYPE STRING,
INBOUNDDELIVERYITEM TYPE STRING,
HIGHERLVLITMOFBATSPLTITM TYPE STRING,
SUPPLYDELIVERYDATE TYPE STRING,
ASSIGNEDQUANTITYINBASEUNIT TYPE STRING,
BASEUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARUNVASSTOASSG_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_ARUNVASSTOASSG_STR-MANDT sy-vline 
WA_ARUNVASSTOASSG_STR-REQUIREMENTTYPE sy-vline 
WA_ARUNVASSTOASSG_STR-PURCHASEORDER sy-vline 
WA_ARUNVASSTOASSG_STR-PURCHASEORDERITEM sy-vline 
WA_ARUNVASSTOASSG_STR-VALADDEDSRVCITEMNUMBER sy-vline 
WA_ARUNVASSTOASSG_STR-VALADDEDSRVCHASTOBEORDERED sy-vline 
WA_ARUNVASSTOASSG_STR-PLANT sy-vline 
WA_ARUNVASSTOASSG_STR-MATERIAL sy-vline 
WA_ARUNVASSTOASSG_STR-RQMTISSUPASSGMTRELEVANT sy-vline 
WA_ARUNVASSTOASSG_STR-ISINTERNALBATCHMANAGED sy-vline 
WA_ARUNVASSTOASSG_STR-REQUESTEDDATE sy-vline 
WA_ARUNVASSTOASSG_STR-PRODUCTAVAILABILITYDATE sy-vline 
WA_ARUNVASSTOASSG_STR-REQUESTEDRQMTQTYINBASEUNIT sy-vline 
WA_ARUNVASSTOASSG_STR-DELIVEREDQUANTITYINBASEUNIT sy-vline 
WA_ARUNVASSTOASSG_STR-CONFIRMEDRQMTQTYINBASEUNIT sy-vline 
WA_ARUNVASSTOASSG_STR-SALESORGANIZATION sy-vline 
WA_ARUNVASSTOASSG_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_ARUNVASSTOASSG_STR-DIVISION sy-vline 
WA_ARUNVASSTOASSG_STR-ORDERTYPE sy-vline 
WA_ARUNVASSTOASSG_STR-SOLDTOPARTY sy-vline 
WA_ARUNVASSTOASSG_STR-SHIPTOPARTY sy-vline 
WA_ARUNVASSTOASSG_STR-SHIPPINGGROUPNUMBER sy-vline 
WA_ARUNVASSTOASSG_STR-ARUNUUID sy-vline 
WA_ARUNVASSTOASSG_STR-CROSSPLANTCONFIGURABLEPRODUCT sy-vline 
WA_ARUNVASSTOASSG_STR-SUPPLYASSIGNMENTSTATUS sy-vline 
WA_ARUNVASSTOASSG_STR-ASSIGNEDSUPPLYTYPE sy-vline 
WA_ARUNVASSTOASSG_STR-STORAGELOCATION sy-vline 
WA_ARUNVASSTOASSG_STR-BATCH sy-vline 
WA_ARUNVASSTOASSG_STR-INBOUNDDELIVERY sy-vline 
WA_ARUNVASSTOASSG_STR-INBOUNDDELIVERYITEM sy-vline 
WA_ARUNVASSTOASSG_STR-HIGHERLVLITMOFBATSPLTITM sy-vline 
WA_ARUNVASSTOASSG_STR-SUPPLYDELIVERYDATE sy-vline 
WA_ARUNVASSTOASSG_STR-ASSIGNEDQUANTITYINBASEUNIT sy-vline 
WA_ARUNVASSTOASSG_STR-BASEUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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