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From "Kristian Waagan (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-4772) Data truncation error with XPLAIN-functionality enabled
Date Fri, 13 Aug 2010 13:25:16 GMT
Data truncation error with XPLAIN-functionality enabled
-------------------------------------------------------

                 Key: DERBY-4772
                 URL: https://issues.apache.org/jira/browse/DERBY-4772
             Project: Derby
          Issue Type: Bug
          Components: SQL
    Affects Versions: 10.7.0.0
            Reporter: Kristian Waagan


When running a modified version of lang.OrderByAndSortAvoidance I get the following error:

java.sql.SQLDataException: A truncation error was encountered trying to shrink CHAR 'Thread[DRDAConnThread_3,5,derby.daemons]'
to length 32.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:79)
	at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Util.java:256)
	at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(TransactionResourceImpl.java:391)
	at org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(TransactionResourceImpl.java:346)
	at org.apache.derby.impl.jdbc.EmbedConnection.handleException(EmbedConnection.java:2269)
	at org.apache.derby.impl.jdbc.ConnectionChild.handleException(ConnectionChild.java:81)
	at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(EmbedStatement.java:1321)
	at org.apache.derby.impl.jdbc.EmbedPreparedStatement.executeStatement(EmbedPreparedStatement.java:1673)
	at org.apache.derby.impl.jdbc.EmbedPreparedStatement.executeUpdate(EmbedPreparedStatement.java:303)
	at org.apache.derby.impl.sql.execute.xplain.XPLAINSystemTableVisitor.addStmtDescriptorsToSystemCatalog(XPLAINSystemTableVisitor.java:390)
	at org.apache.derby.impl.sql.execute.xplain.XPLAINSystemTableVisitor.doXPLAIN(XPLAINSystemTableVisitor.java:317)
	at org.apache.derby.impl.sql.execute.NoPutResultSetImpl.close(NoPutResultSetImpl.java:179)
	at org.apache.derby.impl.sql.execute.SortResultSet.close(SortResultSet.java:467)
	at org.apache.derby.impl.jdbc.EmbedResultSet.close(EmbedResultSet.java:575)
	at org.apache.derby.impl.drda.DRDAResultSet.close(DRDAResultSet.java:338)
	at org.apache.derby.impl.drda.DRDAStatement.rsClose(DRDAStatement.java:995)
	at org.apache.derby.impl.drda.DRDAConnThread.doneData(DRDAConnThread.java:7446)
	at org.apache.derby.impl.drda.DRDAConnThread.writeFDODTA(DRDAConnThread.java:7026)
	at org.apache.derby.impl.drda.DRDAConnThread.writeQRYDTA(DRDAConnThread.java:6910)
	at org.apache.derby.impl.drda.DRDAConnThread.processCommands(DRDAConnThread.java:870)
	at org.apache.derby.impl.drda.DRDAConnThread.run(DRDAConnThread.java:294)
Caused by: java.sql.SQLException: A truncation error was encountered trying to shrink CHAR
'Thread[DRDAConnThread_3,5,derby.daemons]' to length 32.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(SQLExceptionFactory.java:45)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(SQLExceptionFactory40.java:119)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:70)
	... 20 more
Caused by: ERROR 22001: A truncation error was encountered trying to shrink CHAR 'Thread[DRDAConnThread_3,5,derby.daemons]'
to length 32.
	at org.apache.derby.iapi.error.StandardException.newException(StandardException.java:343)
	at org.apache.derby.iapi.types.SQLChar.hasNonBlankChars(SQLChar.java:1767)
	at org.apache.derby.iapi.types.SQLChar.normalize(SQLChar.java:1743)
	at org.apache.derby.iapi.types.SQLChar.normalize(SQLChar.java:1695)
	at org.apache.derby.iapi.types.DataTypeDescriptor.normalize(DataTypeDescriptor.java:648)
	at org.apache.derby.impl.sql.execute.NormalizeResultSet.normalizeColumn(NormalizeResultSet.java:329)
	at org.apache.derby.impl.sql.execute.NormalizeResultSet.normalizeRow(NormalizeResultSet.java:373)
	at org.apache.derby.impl.sql.execute.NormalizeResultSet.getNextRowCore(NormalizeResultSet.java:188)
	at org.apache.derby.impl.sql.execute.DMLWriteResultSet.getNextRowCore(DMLWriteResultSet.java:127)
	at org.apache.derby.impl.sql.execute.InsertResultSet.open(InsertResultSet.java:504)
	at org.apache.derby.impl.sql.GenericPreparedStatement.executeStmt(GenericPreparedStatement.java:436)
	at org.apache.derby.impl.sql.GenericPreparedStatement.execute(GenericPreparedStatement.java:317)
	at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(EmbedStatement.java:1232)
	... 14 more

I suspect the error can be triggered easily in client/server, but for convenience I'll attach
the patch for the test where I see the issue.

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