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https://issues.apache.org/jira/browse/DERBY-5823?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen reassigned DERBY-5823:
-----------------------------------------
Assignee: Knut Anders Hatlen
> Multi-row insert fails on table without generated keys with
> RETURN_GENERATED_KEYS
> ---------------------------------------------------------------------------------
>
> Key: DERBY-5823
> URL: https://issues.apache.org/jira/browse/DERBY-5823
> Project: Derby
> Issue Type: Bug
> Components: JDBC
> Affects Versions: 10.7.1.1, 10.8.2.2, 10.9.1.0, 10.10.1.1
> Reporter: Kristian Waagan
> Assignee: Knut Anders Hatlen
> Priority: Minor
> Labels: derby_triage10_10
> Attachments: derby-5823-1a-regression_test.diff
>
>
> Exeuting an insert that results in multiple rows being inserted into a table
> without any generated keys defined fails if the JDBC statement is configured
> to return generated keys. Example stack trace:
> Caused by: ERROR XSCH4: Conglomerate could not be created.
> at
> org.apache.derby.iapi.error.StandardException.newException(StandardException.java:268)
> at org.apache.derby.impl.store.access.heap.Heap.create(Heap.java:296)
> at
> org.apache.derby.impl.store.access.heap.HeapConglomerateFactory.createConglomerate(HeapConglomerateFactory.java:206)
> at
> org.apache.derby.impl.store.access.RAMTransaction.createConglomerate(RAMTransaction.java:820)
> at
> org.apache.derby.impl.sql.execute.TemporaryRowHolderImpl.insert(TemporaryRowHolderImpl.java:302)
> at
> org.apache.derby.impl.sql.execute.InsertResultSet.normalInsertCore(InsertResultSet.java:1007)
> at
> org.apache.derby.impl.sql.execute.InsertResultSet.open(InsertResultSet.java:508)
> at
> org.apache.derby.impl.sql.GenericPreparedStatement.executeStmt(GenericPreparedStatement.java:443)
> at
> org.apache.derby.impl.sql.GenericPreparedStatement.execute(GenericPreparedStatement.java:324)
> at
> org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(EmbedStatement.java:1242)
> ... 30 more
> This happens only with multi-row inserts, and only with the embedded driver
> (the client driver uses IDENTITY_VAL_LOCAL).
> The problem is that Derby tries to create a temporary conglomerate with a
> zero-length row template. A guard against this scenario is probably missing.
> FYI, the transition threshold (from in-memory to on-disk) is currently five
> rows.
> I marked versions back to 10.7 as affected, but this bug probably goes back
> all the way.
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