[Biojava-l] Ontology and BioSQL

Richard HOLLAND hollandr at gis.a-star.edu.sg
Thu Dec 2 03:52:59 EST 2004


Yup, this problem happened since the very first time I ran it on an
empty database. The terms get created in term, the
term representing the triple gets created in term, but it does not
create the relationship in term_relationship. 

The exception is being thrown by the persistTerm call on the very first
line of persistTriple.

I'm thinking that this is something to do with the OntologyMonitor? That
it is seeing the Triple get created, but
because the Triple is an instanceof Term it is firing two change events
- one for the Term representation, the
other for the Triple representation? That's the only way I can see the
Triple being created in the term table but
not in the term_relationship table, as otherwise we'd be getting
exceptions halfway through persistTriple way after that call to
persistTerm at the beginning, which we're not.

In other words, the Triple already exists in the term table _before_
persistTriple is getting called. Why? How? Hmm.

cheers,
Richard

Richard Holland
Bioinformatics Specialist
GIS extension 8199   
 
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> -----Original Message-----
> From: mark.schreiber at group.novartis.com 
> [mailto:mark.schreiber at group.novartis.com] 
> Sent: Thursday, December 02, 2004 4:18 PM
> To: Richard HOLLAND
> Cc: biojava-l at biojava.org; biojava-l-bounces at portal.open-bio.org
> Subject: Re: [Biojava-l] Ontology and BioSQL
> 
> 
> Hi -
> 
> The code responsible for the insert is:
> 
>   private void persistTriple(Connection conn, Ontology ont, 
> Triple triple)
>           throws SQLException
>   {
>     persistTerm(conn, triple);
> 
>     PreparedStatement import_trip = conn.prepareStatement(
>             "insert into term_relationship " +
>             "       (subject_term_id, predicate_term_id, 
> object_term_id, 
> ontology_id) " +
>             "values (?, ?, ?, ?)"
>     );
>     import_trip.setInt(1, termID(triple.getSubject()));
>     import_trip.setInt(2, termID(triple.getPredicate()));
>     import_trip.setInt(3, termID(triple.getObject()));
>     import_trip.setInt(4, ontologyID(ont));
>     import_trip.executeUpdate();
>     import_trip.close();
>     int tripID = dbHelper.getInsertID(conn, "term_relationship", 
> "term_relationship_id");
> 
>     PreparedStatement link_trip_to_term = conn.prepareStatement(
>             "insert into term_relationship_term " +
>             "       (term_relationship_id, term_id) " +
>             "values (?, ?)" );
>     link_trip_to_term.setInt(1, tripID);
>     link_trip_to_term.setInt(2, termID(triple));
>     link_trip_to_term.executeUpdate();
>     link_trip_to_term.close();
> 
>     //System.err.println("Persisted triple: " + triple);
>   }
> 
> I can't immediately see any attempt to write it twice.  Are 
> you removing 
> the old triples before running the program again?
> 
> - Mark
> 
> 
> 
> 
> 
> "Richard HOLLAND" <hollandr at gis.a-star.edu.sg>
> Sent by: biojava-l-bounces at portal.open-bio.org
> 12/02/2004 02:16 PM
> 
>  
>         To:     <biojava-l at biojava.org>
>         cc:     (bcc: Mark Schreiber/GP/Novartis)
>         Subject:        [Biojava-l] Ontology and BioSQL
> 
> 
> Hi all,
> 
> I am trying to use the Ontology class in Biojava 1.4rc1 to 
> create terms and triples, which are automatically persisted 
> using the BioSQL links in BioJava. Here is my code:
> 
>         BioSQLSequenceDB db = new BioSQLSequenceDB(dbURL,
>         dbUser,
>         dbPass,
>         biodatabase,
>         createIfMissing);
>  
>         Ontology o = db.createOntology("MyOntology","An 
> ontology"); // Use getOntology to update
>         Term MyGroup = o.createTerm("MyGroup","My favourite terms.");
>         Term Boo = o.createTerm("Boo","A fright");
>         Term ISA = o.createTerm("ISA","Is a");
>         Term Joke = o.createTerm("Joke","Something funny");
>         o.createTriple(Boo,Joke,ISA,null,null);
> 
> I get the following exception (NB. the ontology does not 
> exist yet but the database connection is just fine):
> 
> Exception in thread "main" 
> org.biojava.bio.BioRuntimeException: Error removing from 
> BioSQL tables (rolled back successfully)  at 
> org.biojava.bio.seq.db.biosql.OntologySQL.persistTriple(Ontolo
> gySQL.java
> :588)
>  at 
> org.biojava.bio.seq.db.biosql.OntologySQL.access$300(OntologyS
> QL.java:61
> )
>  at 
> org.biojava.bio.seq.db.biosql.OntologySQL$OntologyMonitor.post
> Change(Ont
> ologySQL.java:512)
>  at 
> org.biojava.utils.ChangeSupport.firePostChangeEvent(ChangeSupp
> ort.java:3
> 38)
>  at org.biojava.ontology.Ontology$Impl.createTriple(Ontology.java:497)
>  at testapp.LoadOntology.main(LoadOntology.java:61)
> Caused by: java.sql.SQLException: Failed to persist term: 
> ISA(Boo, Joke) from ontology: ontology: MyOntology with 
> error: 1 : 23000  at 
> org.biojava.bio.seq.db.biosql.OntologySQL.persistTerm(Ontology
> SQL.java:5
> 62)
>  at 
> org.biojava.bio.seq.db.biosql.OntologySQL.persistTriple(Ontolo
> gySQL.java
> :595)
>  at 
> org.biojava.bio.seq.db.biosql.OntologySQL.persistTriple(Ontolo
> gySQL.java
> :576)
>  ... 5 more
> Caused by: java.sql.SQLException: ORA-00001: unique constraint
> (BIOSQL_OWNER.XAK1TERM) violated
>  at 
> oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseErr
> or.java:12
> 5)
>  at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:305)
>  at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:272)
>  at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:623)
>  at 
> oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedSta
> tement.jav
> a:181)
>  at 
> oracle.jdbc.driver.T4CPreparedStatement.execute_for_rows(T4CPr
> eparedStat
> ement.java:543)
>  at 
> oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(Oracle
> Statement.
> java:1028)
>  at 
> oracle.jdbc.driver.OraclePreparedStatement.executeInternal(Ora
> clePrepare
> dStatement.java:2888)
>  at 
> oracle.jdbc.driver.OraclePreparedStatement.executeUpdate(Oracl
> ePreparedS
> tatement.java:2960)
>  at 
> org.apache.commons.dbcp.DelegatingPreparedStatement.executeUpd
> ate(Delega
> tingPreparedStatement.java:101)
>  at 
> org.apache.commons.dbcp.DelegatingPreparedStatement.executeUpd
> ate(Delega
> tingPreparedStatement.java:101)
>  at 
> org.biojava.bio.seq.db.biosql.OntologySQL.persistTerm(Ontology
> SQL.java:5
> 54)
>  ... 7 more
> Java Result: 1
> 
> When I check in the database, I find that the ontology has 
> been created, and entries made in term for each of the terms, 
> and also an entry has been made in term for the triple 
> itself. So why the exception? Is it trying to insert the triple twice?
> 
> cheers,
> Richard
> 
> Richard Holland
> Bioinformatics Specialist
> Genome Institute of Singapore
> 60 Biopolis Street, #02-01 Genome, Singapore 138672
> Tel: (65) 6478 8000   DID: (65) 6478 8199
> Email: hollandr at gis.a-star.edu.sg
>  
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> This email is confidential and may be privileged. If you are 
> not the intended recipient, please delete it and notify us 
> immediately. Please do not copy or use it for any purpose, or 
> disclose its content to any other person. Thank you.
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> 
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