ABAP Select data from SAP table IARUNRSNCODE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IARUNRSNCODE
*  INTO TABLE @DATA(IT_IARUNRSNCODE2).
*--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_IARUNRSNCODE INDEX 1 INTO DATA(WA_IARUNRSNCODE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IARUNRSNCODE>-MANDT = 1.
<IARUNRSNCODE>-ATPCHECKUUID = 1.
<IARUNRSNCODE>-REQUIREMENTDOCUMENTNUMBER = 1.
<IARUNRSNCODE>-REQUIREMENTDOCUMENTITEM = 1.
<IARUNRSNCODE>-REQUESTEDDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IARUNRSNCODE-REQUIREMENTTYPE, sy-vline,
  WA_IARUNRSNCODE-REQUESTEDRQMTQTYINBASEUNIT, sy-vline,
  WA_IARUNRSNCODE-ABOPVARIANTUUID, sy-vline,
  WA_IARUNRSNCODE-ABOPVARIANTNAME, sy-vline,
  WA_IARUNRSNCODE-STARTEDBYUSER, sy-vline,
  WA_IARUNRSNCODE-ATPCHECKSTARTUTCDATETIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IARUNRSNCODE 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_IARUNRSNCODE 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_IARUNRSNCODE INTO WA_IARUNRSNCODE.


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

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

*Conversion exit AUART, internal->external for field ORDERTYPE
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_IARUNRSNCODE-ORDERTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IARUNRSNCODE-ORDERTYPE.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit MATN1, internal->external for field CROSSPLANTCONFIGURABLEPRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_IARUNRSNCODE-CROSSPLANTCONFIGURABLEPRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IARUNRSNCODE-CROSSPLANTCONFIGURABLEPRODUCT.
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_IARUNRSNCODE_STR, 
MANDT TYPE STRING,
ATPCHECKUUID TYPE STRING,
REQUIREMENTDOCUMENTNUMBER TYPE STRING,
REQUIREMENTDOCUMENTITEM TYPE STRING,
REQUESTEDDATE TYPE STRING,
REQUIREMENTTYPE TYPE STRING,
REQUESTEDRQMTQTYINBASEUNIT TYPE STRING,
ABOPVARIANTUUID TYPE STRING,
ABOPVARIANTNAME TYPE STRING,
STARTEDBYUSER TYPE STRING,
ATPCHECKSTARTUTCDATETIME TYPE STRING,
ATPCHECKENDUTCDATETIME TYPE STRING,
ATPCHECKSTATUS TYPE STRING,
ABOPEXECUTIONMODE TYPE STRING,
ATPRLVTDOCITMISSUPASSGMTRLVT TYPE STRING,
ABOPASSIGNMENTPREVIEWISACTIVE TYPE STRING,
SUPASSGMTITEMSTATUS TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
BASEUNIT TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
SALESDISTRICT TYPE STRING,
CUSTOMERGROUP TYPE STRING,
COMPANYCODE TYPE STRING,
MATERIALGROUP TYPE STRING,
PRODUCTSEASONYEAR TYPE STRING,
PRODUCTSEASON TYPE STRING,
PRODUCTCOLLECTION TYPE STRING,
PRODUCTTHEME TYPE STRING,
NETAMOUNT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
NETPRICEQUANTITY TYPE STRING,
REQUIREMENTSEGMENT TYPE STRING,
ORDERTYPE TYPE STRING,
ORDERTYPENAME TYPE STRING,
SOLDTOPARTY TYPE STRING,
SHIPTOPARTY TYPE STRING,
CROSSPLANTCONFIGURABLEPRODUCT TYPE STRING,
DELIVERYGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IARUNRSNCODE_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_IARUNRSNCODE_STR-MANDT sy-vline 
WA_IARUNRSNCODE_STR-ATPCHECKUUID sy-vline 
WA_IARUNRSNCODE_STR-REQUIREMENTDOCUMENTNUMBER sy-vline 
WA_IARUNRSNCODE_STR-REQUIREMENTDOCUMENTITEM sy-vline 
WA_IARUNRSNCODE_STR-REQUESTEDDATE sy-vline 
WA_IARUNRSNCODE_STR-REQUIREMENTTYPE sy-vline 
WA_IARUNRSNCODE_STR-REQUESTEDRQMTQTYINBASEUNIT sy-vline 
WA_IARUNRSNCODE_STR-ABOPVARIANTUUID sy-vline 
WA_IARUNRSNCODE_STR-ABOPVARIANTNAME sy-vline 
WA_IARUNRSNCODE_STR-STARTEDBYUSER sy-vline 
WA_IARUNRSNCODE_STR-ATPCHECKSTARTUTCDATETIME sy-vline 
WA_IARUNRSNCODE_STR-ATPCHECKENDUTCDATETIME sy-vline 
WA_IARUNRSNCODE_STR-ATPCHECKSTATUS sy-vline 
WA_IARUNRSNCODE_STR-ABOPEXECUTIONMODE sy-vline 
WA_IARUNRSNCODE_STR-ATPRLVTDOCITMISSUPASSGMTRLVT sy-vline 
WA_IARUNRSNCODE_STR-ABOPASSIGNMENTPREVIEWISACTIVE sy-vline 
WA_IARUNRSNCODE_STR-SUPASSGMTITEMSTATUS sy-vline 
WA_IARUNRSNCODE_STR-MATERIAL sy-vline 
WA_IARUNRSNCODE_STR-PLANT sy-vline 
WA_IARUNRSNCODE_STR-BASEUNIT sy-vline 
WA_IARUNRSNCODE_STR-SALESORGANIZATION sy-vline 
WA_IARUNRSNCODE_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_IARUNRSNCODE_STR-DIVISION sy-vline 
WA_IARUNRSNCODE_STR-SALESDISTRICT sy-vline 
WA_IARUNRSNCODE_STR-CUSTOMERGROUP sy-vline 
WA_IARUNRSNCODE_STR-COMPANYCODE sy-vline 
WA_IARUNRSNCODE_STR-MATERIALGROUP sy-vline 
WA_IARUNRSNCODE_STR-PRODUCTSEASONYEAR sy-vline 
WA_IARUNRSNCODE_STR-PRODUCTSEASON sy-vline 
WA_IARUNRSNCODE_STR-PRODUCTCOLLECTION sy-vline 
WA_IARUNRSNCODE_STR-PRODUCTTHEME sy-vline 
WA_IARUNRSNCODE_STR-NETAMOUNT sy-vline 
WA_IARUNRSNCODE_STR-DOCUMENTCURRENCY sy-vline 
WA_IARUNRSNCODE_STR-NETPRICEAMOUNT sy-vline 
WA_IARUNRSNCODE_STR-NETPRICEQUANTITY sy-vline 
WA_IARUNRSNCODE_STR-REQUIREMENTSEGMENT sy-vline 
WA_IARUNRSNCODE_STR-ORDERTYPE sy-vline 
WA_IARUNRSNCODE_STR-ORDERTYPENAME sy-vline 
WA_IARUNRSNCODE_STR-SOLDTOPARTY sy-vline 
WA_IARUNRSNCODE_STR-SHIPTOPARTY sy-vline 
WA_IARUNRSNCODE_STR-CROSSPLANTCONFIGURABLEPRODUCT sy-vline 
WA_IARUNRSNCODE_STR-DELIVERYGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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