Why the selective function does not work.

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• Why the object_not_found exception does not work?

  Posters,
  
  I have the following statement in a package.procedure:
  
  -- (...)
  Start
  
  Select dbms_metadata.get_dependent_ddl ('INDEX', 'OWNER', sTableName)
  in the cDDL - clob for index DDL
  of the double
  -- (...)
  
  exception
  When dbms_metadata.object_not_found then
  null;
  
  end;
  -- (...)
  
  Execution is stopped in the select, not enter the exception and the following message is displayed in PL/SQL Developer MicroHelp:
  
  + "ORA-31608: specified object type INDEX not found." + "
  
  I did it another way by adding the following clause:
  
  -- (...)
  Start
  
  Select dbms_metadata.get_dependent_ddl ('INDEX', 'OWNER', sTableName)
  in the cDDL - clob for index DDL
  of the double
  where exists (select 1+)
  of all_indexes+.
  where table_owner = 'OWNER'+.
  and table_name = sTableName); +
  -- (...)
  
  exception
  + When no_data_found then +.
  null;
  
  end;
  -- (...)
  
  It works, but: why the object_not_found exception does not work?
  
  Thanks in advance for everyone!
  Philips

  Oh I just noticed:

  What happens if instead of this:

  Select dbms_metadata.get_dependent_ddl ('INDEX', 'OWNER', sTableName)
  in the cDDL - clob for index DDL
  of the double

  you say:

  cDDL: = dbms_metadata.get_dependent_ddl ('INDEX', 'OWNER', sTableName);

  ?

• Why my XMLTable function does not work?

  Hello

  I'm reading my XML document using a function XMLTable, because a repetition of elements may occur. I wrote a SQL script to test this feature, but it does give me the desired output. This is my script. I use a shadow table PETER_XML to pass the value to the function XMLTable. I would have rather done it directly with a PL/SQL variable, but it does not work.

  CREATE TABLE PETER_XML (AVY XMLTYPE);

  Set serveroutput size 100000
  set echo on
  Set of feedback on

  declare

  cursor c_avy is
  SELECT XMLRESPONSE. DepartureStation' DEPARTURE,
  XMLRESPONSE. "" Flight "FLIGHTNR
  OF PETER_XML.
  XMLTABLE (XMLNameSpaces ('http://schemas.navitaire.com/WebServices' as "web", ))
                                ' http://schemas.xmlsoap.org/SOAP/envelope/ "as"soapenv", "
                                ' http://schemas.Navitaire.com/webservices/servicecontracts/BookingService ' as 'book',
                                ' http://schemas.Navitaire.com/webservices/DataContracts/booking ' as "Book1",
                                ' http://schemas.Microsoft.com/2003/10/Serialization/Arrays ' as "arr",
                                ' http://schemas.Navitaire.com/webservices/DataContracts/common/enumerations ' as 'enum',
                                ' http://schemas.Navitaire.com/webservices/servicecontracts/BookingService ' as 'ns0',
                                ' ( http://schemas.Navitaire.com/webservices/DataContracts/Booking ' as 'ns1'),
  ' / / GetAvailabilityRequest/TripAvailabilityRequest/AvailabilityRequests/AvailabilityRequest.
  PETER_XML OF PASSAGE. AVY
  COLUMNS
  "DepartureStation' VARCHAR2 (3) path"DepartureStation. "
  'Flight' varchar2 (4) WAY 'flight '.
  ) XMLRESPONSE.

  "" "clob l_response: = ' < soapenv:Envelope xmlns:soapenv ="http://schemas.xmlsoap.org/soap/envelope/"xmlns:web ="http://schemas.navitaire.com/WebServices"xmlns:book ="http://schemas.navitaire.com/WebServices/ServiceContracts/BookingService"xmlns:book1 ="http://schemas.navitaire.com/WebServices/DataContracts/Booking"xmlns:arr ="http://schemas.microsoft.com/2003/10/Serialization/Arrays"xmlns:enum ="http://schemas.navitaire.com/WebServices/DataContracts/Common/Enumerations">" "
  < soapenv:Header >
  bnuOiHCVb3k < web: Signature > = | GX + eTRcZ5ABozAy8MosBFwagyUw7zrRXf1iprmw9Q4W17wt8SDpjYV2HwZRGIHYtE46UFBJw/aFyKVqjToEAfSTfh7cePm4r9JJwcIveDc75NuxnzoY14pKC + WLYDzE0MaALra4i/tI = < / web: Signature >
  < web: ContractVersion > 340 < / web: ContractVersion >
  < / soapenv:Header >
  < soapenv:Body >
  < ns0:GetAvailabilityRequest xmlns:ns0 = "http://schemas.navitaire.com/WebServices/ServiceContracts/BookingService" > ""
  < ns1:TripAvailabilityRequest xmlns:ns1 = "http://schemas.navitaire.com/WebServices/DataContracts/Booking" > ""
  < ns1:AvailabilityRequests >
  < ns1:AvailabilityRequest >
  < ns1:DepartureStation > AMS < / ns1:DepartureStation >
  < ns1:ArrivalStation > CTA < / ns1:ArrivalStation >
  < ns1:BeginDate > 2013-07-13 T 00: 00:00 < / ns1:BeginDate >
  < ns1:EndDate > 2013-07-13 T 00: 00:00 < / ns1:EndDate >
  < ns1:CarrierCode > HV < / ns1:CarrierCode >
  < ns1:FlightNumber > 547 < / ns1:FlightNumber >
  < ns1:FlightType > all < / ns1:FlightType >
  < ns1:PaxCount > 1 < / ns1:PaxCount >
  < ns1:Dow > by day < / ns1:Dow >
  < ns1:CurrencyCode > EUR < / ns1:CurrencyCode >
  < ns1:DisplayCurrencyCode > EUR < / ns1:DisplayCurrencyCode >
  <!-ns1:SourceOrganization > COO < / ns1:SourceOrganization->
  < ns1:MaximumConnectingFlights > 0 < / ns1:MaximumConnectingFlights >
  < ns1:AvailabilityFilter > by default < / ns1:AvailabilityFilter >
  < ns1:ProductClassCode > NG < / ns1:ProductClassCode >
  < ns1:SSRCollectionsMode > None < / ns1:SSRCollectionsMode >
  < ns1:InboundOutbound > so < / ns1:InboundOutbound >
  < ns1:NightsStay > 0 < / ns1:NightsStay >
  < ns1:IncludeAllotments > true < / ns1:IncludeAllotments >
  < ns1:FareTypes >
  < ns2:string xmlns:ns2 = "http://schemas.microsoft.com/2003/10/Serialization/Arrays" > T < / ns2:string>
  < / ns1:FareTypes >
  < ns1:PaxPriceTypes >
  < ns1:PaxPriceType >
  < ns1:PaxType > ADT < / ns1:PaxType >
  < / ns1:PaxPriceType >
  < / ns1:PaxPriceTypes >
  < ns1:JourneySortKeys >
  < ns2:JourneySortKey xmlns:ns2 = "http://schemas.navitaire.com/WebServices/DataContracts/Common/Enumerations" > EarliestDeparture < / ns2:JourneySortKey>
  < / ns1:JourneySortKeys >
  < ns1:IncludeTaxesAndFees > false < / ns1:IncludeTaxesAndFees >
  < ns1:FareRuleFilter > by default < / ns1:FareRuleFilter >
  < ns1:LoyaltyFilter > MonetaryOnly < / ns1:LoyaltyFilter >
  < ns1:TravelClassCodeList >
  < ns2:string xmlns:ns2 = "http://schemas.microsoft.com/2003/10/Serialization/Arrays" > Y < / ns2:string>
  < / ns1:TravelClassCodeList >
  < / ns1:AvailabilityRequest >
  < / ns1:AvailabilityRequests >
  < ns1:LoyaltyFilter > MonetaryOnly < / ns1:LoyaltyFilter >
  < / ns1:TripAvailabilityRequest >
  < / ns0:GetAvailabilityRequest >
  < / soapenv:Body >
  < / soapenv:Envelope > ';

  Start

  dbms_output.put_line ('Start');
  insert into peter_xml (avy) values (XMLTYPE (l_response));

  
  dbms_output.put_line ('Insert processed' | to_char (sql % rowcount) |) "lines.") ;

  for r_avy loop c_avy

  dbms_output.put_line ('Start' | r_avy.departure |) "Flightno. ' | r_avy.flightnr);

  end loop;

  end;
  /

  Rollback;

  The script works well, but the problem is that I don't get any kind of output the cursor of the loop for. When I speak to elements using "ns1:etc", I get an error, which suggests that the service is actually read the XML. Since there was no way out, I started to including all these XMLNameSpaces.

  Can someone let me know what Miss me?

  And if I can pass the value to a PL/SQL variable, it would save me the use of a fictitious table. That would be nice.

  Thanks in advance.

  Peter

  Hi Peter,.

  Since there was no way out, I started to including all these XMLNameSpaces.

  All these namespaces have a meaning, do not blindly, include them but if you do, use.

  The main manifestation of XQuery does not reference all the necessary namespaces.

  Here is a simplified version that gives the expected results.

  Please note that I only use namespaces I want to solve the XQuery:

  declare

  c_avy (p_xmlresponse in xmltype) cursor is

  Select x.DEPARTURE

  x.FLIGHTNR

  from xmltable)

  XmlNamespaces)

  "http://schemas.xmlsoap.org/soap/envelope/" as "SOAP."

  , 'http://schemas.navitaire.com/WebServices/ServiceContracts/BookingService' as 'ns0 '.

  , "http://schemas.navitaire.com/WebServices/DataContracts/Booking" as "ns1."

  )

  , ' /: soap envelope / soap: Body / ns0:GetAvailabilityRequest / ns1:TripAvailabilityRequest / ns1:AvailabilityRequests / ns1:AvailabilityRequest'

  passage p_xmlresponse

  columns

  Trajectory of DEPARTURE VARCHAR2 (3) 'ns1:DepartureStation '.

  , Path of varchar2 (4) FLIGHTNR 'ns1:FlightNumber '.

  ) x ;

  "" l_response clob: = "http://schemas.xmlsoap.org/soap/envelope/" xmlns:web ="http://schemas.navitaire.com/WebServices" xmlns:book = "http://schemas.navitaire.com/WebServices/ServiceContracts/BookingService" xmlns:book1 ="http://schemas.navitaire.com/WebServices/DataContracts/Booking" xmlns:arr = "http://schemas.microsoft.com/2003/10/Serialization/Arrays" xmlns:enum ="http://schemas.navitaire.com/WebServices/DataContracts/Common/Enumerations" > ""

  bnuOiHCVb3k = | GX + eTRcZ5ABozAy8MosBFwagyUw7zrRXf1iprmw9Q4W17wt8SDpjYV2HwZRGIHYtE46UFBJw/aFyKVqjToEAfSTfh7cePm4r9JJwcIveDc75NuxnzoY14pKC + WLYDzE0MaALra4i/tI =.

  340

  http://schemas.Navitaire.com/webservices/servicecontracts/BookingService">

  http://schemas.Navitaire.com/webservices/DataContracts/booking">

  AMS

  CTA

  2013-07-13 T 00: 00:00

  2013-07-13 T 00: 00:00

  HV

  547

  All the

  1

  Every day

  EUR

  EUR

  0

  By default

  NG

  None

  Both

  0

  true

  http://schemas.Microsoft.com/2003/10/Serialization/Arrays "> T"

  ADT

  http://schemas.Navitaire.com/webservices/DataContracts/common/enumerations "> EarliestDeparture"

  fake

  By default

  MonetaryOnly

  http://schemas.Microsoft.com/2003/10/Serialization/Arrays "> Y"

  MonetaryOnly

  ';

  Start

  for r_avy in c_avy (xmltype (l_response)) in a loop

  dbms_output.put_line ('Start' | r_avy.departure |) "Flightno. ' | r_avy.flightnr);

  end loop;

  end;

  /

  In fact, you don't need an intermediate table for this requirement. However, and according to your version of db, store the XML in a binary XMLType table can significantly improve performance.

  For makers in small, you probably won't see a difference between the two approaches, but just so you know in the case where you have to face in the future with big XMLs.

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  Run version 4.2 against database 11g.

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