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 <[email protected]> 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 <[email protected]> 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] >>
