[ http://issues.apache.org/jira/browse/DERBY-1528?page=all ]
Knut Anders Hatlen updated DERBY-1528:
--------------------------------------
Attachment: repro1528_assert.java
Attaching a repro which causes an AssertFailure when running in sane mode
(NullPointerException otherwise). This is what it prints:
preparing: insert into t select * from (values ?) v
org.apache.derby.shared.common.sanity.AssertFailure: ASSERT FAILED Type is null
for column exposedName: SQLCol1
name: SQLCol1
tableName: V
isNameGenerated: true
sourceTableName: null
type: null
columnDescriptor: null
isGenerated: false
isGeneratedForUnmatchedColumnInInsert: false
isGroupingColumn: false
isReferenced: false
isRedundant: false
virtualColumnId: 1
resultSetNumber: -1
dataTypeServices: null
clause: 1
at
org.apache.derby.shared.common.sanity.SanityManager.ASSERT(SanityManager.java:119)
at
org.apache.derby.impl.sql.compile.ResultColumn.columnTypeAndLengthMatch(ResultColumn.java:1027)
at
org.apache.derby.impl.sql.compile.ResultColumnList.columnTypesAndLengthsMatch(ResultColumnList.java:1599)
at
org.apache.derby.impl.sql.compile.InsertNode.bind(InsertNode.java:449)
at
org.apache.derby.impl.sql.GenericStatement.prepMinion(GenericStatement.java:344)
at
org.apache.derby.impl.sql.GenericStatement.prepare(GenericStatement.java:118)
at
org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(GenericLanguageConnectionContext.java:713)
at
org.apache.derby.impl.jdbc.EmbedPreparedStatement.<init>(EmbedPreparedStatement.java:128)
at
org.apache.derby.impl.jdbc.EmbedPreparedStatement20.<init>(EmbedPreparedStatement20.java:82)
at
org.apache.derby.impl.jdbc.EmbedPreparedStatement30.<init>(EmbedPreparedStatement30.java:62)
at
org.apache.derby.jdbc.Driver30.newEmbedPreparedStatement(Driver30.java:92)
at
org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(EmbedConnection.java:712)
at
org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(EmbedConnection.java:556)
at repro1528_assert.main(repro1528_assert.java:18)
----------
executing: select * from t
ERROR 40XT0: An internal error was identified by RawStore module.
at
org.apache.derby.iapi.error.StandardException.newException(StandardException.java:294)
at
org.apache.derby.impl.store.raw.xact.Xact.setActiveState(Xact.java:1772)
at
org.apache.derby.impl.store.raw.xact.Xact.openContainer(Xact.java:1271)
at
org.apache.derby.impl.store.access.conglomerate.OpenConglomerate.init(OpenConglomerate.java:865)
at org.apache.derby.impl.store.access.heap.Heap.open(Heap.java:614)
at
org.apache.derby.impl.store.access.RAMTransaction.openConglomerate(RAMTransaction.java:478)
at
org.apache.derby.impl.store.access.RAMTransaction.openConglomerate(RAMTransaction.java:1315)
at
org.apache.derby.impl.sql.catalog.DataDictionaryImpl.getDescriptorViaIndex(DataDictionaryImpl.java:7339)
at
org.apache.derby.impl.sql.catalog.DataDictionaryImpl.locateSchemaRow(DataDictionaryImpl.java:1532)
at
org.apache.derby.impl.sql.catalog.DataDictionaryImpl.getSchemaDescriptor(DataDictionaryImpl.java:1442)
at
org.apache.derby.impl.sql.compile.QueryTreeNode.getSchemaDescriptor(QueryTreeNode.java:1504)
at
org.apache.derby.impl.sql.compile.QueryTreeNode.getSchemaDescriptor(QueryTreeNode.java:1456)
at
org.apache.derby.impl.sql.compile.FromBaseTable.bindTableDescriptor(FromBaseTable.java:2379)
at
org.apache.derby.impl.sql.compile.FromBaseTable.bindNonVTITables(FromBaseTable.java:2107)
at
org.apache.derby.impl.sql.compile.FromList.bindTables(FromList.java:300)
at
org.apache.derby.impl.sql.compile.SelectNode.bindNonVTITables(SelectNode.java:472)
at
org.apache.derby.impl.sql.compile.DMLStatementNode.bindTables(DMLStatementNode.java:220)
at
org.apache.derby.impl.sql.compile.DMLStatementNode.bind(DMLStatementNode.java:158)
at
org.apache.derby.impl.sql.compile.CursorNode.bind(CursorNode.java:252)
at
org.apache.derby.impl.sql.GenericStatement.prepMinion(GenericStatement.java:344)
at
org.apache.derby.impl.sql.GenericStatement.prepare(GenericStatement.java:118)
at
org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(GenericLanguageConnectionContext.java:713)
at
org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:567)
at
org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:516)
at repro1528_assert.main(repro1528_assert.java:27)
> Preparing "SELECT INTO table SELECT FROM (...)" may cause
> NullPointerException and subsequent internal errors reported by RawStore
> module
> -----------------------------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-1528
> URL: http://issues.apache.org/jira/browse/DERBY-1528
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.1.3.1
> Reporter: Knut Anders Hatlen
> Attachments: repro1528_assert.java
>
>
> When preparing a "INSERT INTO table SELECT FROM (...)" statement,
> Derby in some cases throw a NullPointerException or an
> AssertFailure. This happens when a '?' occurs in a VALUES statement in
> the from list. If one tries to access the table after the
> NullPointerException, this exception is thrown:
> ERROR 40XT0: An internal error was identified by RawStore module.
> Example:
> ij> create table t (text varchar(20), len int);
> 0 rows inserted/updated/deleted
> ij> prepare p as 'insert into t select x, length(x) from (values(?)) as v(x)';
> ERROR XJ001: Java exception: ': java.lang.NullPointerException'.
> ij> select * from t;
> ERROR 40XT0: An internal error was identified by RawStore module.
> Replacing '?' with 'CAST (? AS VARCHAR(20))' fixes the problem, but
> there is enough information in the query to determine the type of the
> parameter even without the cast.
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