Hi Andrus, I was basing my response due to the "Numeric Overflow" exception, which sounds like a number too big to fit into a Long. If a BIGINT/BigInteger will work, that's the easiest solution.
On Wed, Nov 13, 2019 at 8:35 AM Andrus Adamchik <and...@objectstyle.org> wrote: > This still does not invalidate the original question though - why wouldn't > Cayenne choose a Long here? > > My suggestion is to map this column as BIGINT in Cayenne, and it will do > the right thing. > > Andrus > > > > On Nov 13, 2019, at 4:29 PM, Michael Gentry <blackn...@gmail.com> wrote: > > > > Hi Vemund! > > > > Long.MAX_VALUE is 9,223,372,036,854,775,807. NUMBER(38) is a lot more > > digits. > > > > Does your DB really have primary keys that large? To play Devil's > Advocate: > > > > 9223372036854775807 / 1000 inserts/second / 60 seconds/minute / 60 > > minutes/hour / 24 hours/day / 365 days/year = 292,471,208 years before > your > > primary keys are exhausted assuming you can actually insert 1000 > > records/second non-stop for nearly 300 million years. If so, you'll need > > to consider a different approach. Perhaps using BigInteger, although > I've > > not personally tried that with Cayenne's mapping so it may not work. If > it > > doesn't, you can try creating a class that will work with Cayenne's > mapping > > (right API) which wraps a BigInteger holding the actual value. > > > > Also, I just looked at the Oracle documentation for the NUMBER data type > > and it says "up to 38 digits of precision" ... perhaps whomever created > the > > schema just chose the maximum precision to be safe? > > > > mrg > > > > > > On Wed, Nov 13, 2019 at 6:13 AM Vemund Jakobsen <v...@dataloy.com> wrote: > > > >> Hi, > >> > >> I'm running a Oracle database and trying to get Cayenne to work when > >> having primary keys that should be mapped to Long in Java. The data > type in > >> Oracle is NUMBER(38), but when I create a SelectQuery and use DlpObject > >> object= (DlpObject) Cayenne.objectForQuery(ctx, this); to get the > object, I > >> get the exception below. I'm using Cayenne version 4.0.2. Why does > Cayenne > >> think that the type is Integer, and how can the issue be resolved? > >> > >> 10:59:36,285 WARN [com.dataloy.rest.exception.CayenneExceptionMapper] > >> (default task-1) : java.sql.SQLException: Numeric Overflow > >> at > >> > oracle.jdbc.driver.NumberCommonAccessor.throwOverflow(NumberCommonAccessor.java:4136) > >> [ojdbc8.jar:12.2.0.1.0] > >> at > >> > oracle.jdbc.driver.NumberCommonAccessor.getInt(NumberCommonAccessor.java:123) > >> [ojdbc8.jar:12.2.0.1.0] > >> at > >> > oracle.jdbc.driver.GeneratedStatement.getInt(GeneratedStatement.java:197) > >> [ojdbc8.jar:12.2.0.1.0] > >> at > >> > oracle.jdbc.driver.GeneratedScrollableResultSet.getInt(GeneratedScrollableResultSet.java:244) > >> [ojdbc8.jar:12.2.0.1.0] > >> at > >> > org.jboss.jca.adapters.jdbc.WrappedResultSet.getInt(WrappedResultSet.java:1052) > >> at > >> > org.apache.cayenne.access.types.IntegerType.materializeObject(IntegerType.java:38) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.access.types.IntegerType.materializeObject(IntegerType.java:28) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.access.jdbc.reader.FullRowReader.readRow(FullRowReader.java:52) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.access.jdbc.reader.FullRowReader.readRow(FullRowReader.java:32) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.access.jdbc.JDBCResultIterator.nextRow(JDBCResultIterator.java:104) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.access.jdbc.JDBCResultIterator.allRows(JDBCResultIterator.java:80) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.access.jdbc.SelectAction.performAction(SelectAction.java:138) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.access.DataNodeQueryAction.runQuery(DataNodeQueryAction.java:97) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> org.apache.cayenne.access.DataNode.performQueries(DataNode.java:293) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.access.DataDomainQueryAction.runQuery(DataDomainQueryAction.java:471) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.access.DataDomainQueryAction.access$000(DataDomainQueryAction.java:72) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.access.DataDomainQueryAction$2.perform(DataDomainQueryAction.java:446) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.tx.DefaultTransactionManager.performInTransaction(DefaultTransactionManager.java:87) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.tx.DefaultTransactionManager.performInLocalTransaction(DefaultTransactionManager.java:59) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.tx.DefaultTransactionManager.performInTransaction(DefaultTransactionManager.java:52) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.tx.DefaultTransactionManager.performInTransaction(DefaultTransactionManager.java:40) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.access.DataDomainQueryAction.runQueryInTransaction(DataDomainQueryAction.java:443) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.access.DataDomainQueryAction.execute(DataDomainQueryAction.java:122) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.access.DataDomain.onQueryNoFilters(DataDomain.java:564) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.access.DataDomain$DataDomainQueryFilterChain.onQuery(DataDomain.java:748) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.tx.TransactionFilter.onQuery(TransactionFilter.java:49) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.access.DataDomain$DataDomainQueryFilterChain.onQuery(DataDomain.java:748) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.lifecycle.audit.AuditableFilter.onQuery(AuditableFilter.java:80) > >> [cayenne-lifecycle-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.access.DataDomain$DataDomainQueryFilterChain.onQuery(DataDomain.java:748) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.lifecycle.changeset.ChangeSetFilter.onQuery(ChangeSetFilter.java:56) > >> [cayenne-lifecycle-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.access.DataDomain$DataDomainQueryFilterChain.onQuery(DataDomain.java:748) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> org.apache.cayenne.access.DataDomain.onQuery(DataDomain.java:556) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.util.ObjectContextQueryAction.runQuery(ObjectContextQueryAction.java:406) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.util.ObjectContextQueryAction.executePostCache(ObjectContextQueryAction.java:107) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> > org.apache.cayenne.util.ObjectContextQueryAction.execute(ObjectContextQueryAction.java:94) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> org.apache.cayenne.access.DataContext.onQuery(DataContext.java:971) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at > >> org.apache.cayenne.access.DataContext.performQuery(DataContext.java:960) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> at org.apache.cayenne.Cayenne.objectForQuery(Cayenne.java:467) > >> [cayenne-server-4.0.2.jar:4.0.2] > >> > >
