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From "Kathey Marsden (JIRA)" <derby-...@db.apache.org>
Subject [jira] Commented: (DERBY-213) ResultSet.next() after last row of FORWARD_ONLY cursor throws an SQL Exception with Network Server
Date Mon, 29 Aug 2005 18:53:05 GMT
    [ http://issues.apache.org/jira/browse/DERBY-213?page=comments#action_12320458 ] 

Kathey Marsden commented on DERBY-213:
--------------------------------------

I tend to think it would be ok to close this as Fixed and open another  Jira entry for any
outstanding issues,  because if you look at the description  ResultSet.next() after last row
of FORWARD_ONLY cursor throws an SQL Exception with Network Server, you fixed it!



> ResultSet.next() after last row of FORWARD_ONLY cursor throws an SQL Exception with Network
Server
> --------------------------------------------------------------------------------------------------
>
>          Key: DERBY-213
>          URL: http://issues.apache.org/jira/browse/DERBY-213
>      Project: Derby
>         Type: Bug
>   Components: Network Client
>     Versions: 10.1.1.0
>     Reporter: Kathey Marsden
>     Assignee: Philip Wilder
>      Fix For: 10.2.0.0
>  Attachments: Client.java, Create.java, DERBY-213_6_13_2005.txt, DERBY-213_6_9_2005.txt,
DERBY-213_irc_6_3_2005, DERBY-213_irc_6_7_2005.txt, DERBY-213_irc_6_8_2005, Derby213patch_Aug112005.patch,
Derby213patch_Aug242005.patch, IRCTranscript_June2_2005.txt, ResultSet Outline.pdf, Server.java,
resultset.java
>
> Network Server closes the result set if ResultSet.next() is 
> called after the last row of the result set.  The test code 
> below throws the following exception.
> SQLState:   null
> Severity: -99999
> Message:  Invalid operation: result set closed
> com.ibm.db2.jcc.am.SqlException: Invalid operation: result set 
> closed
>         at 
> com.ibm.db2.jcc.am.ResultSet.checkForClosedResultSet(ResultSet.j
> ava:3419)
>         at 
> com.ibm.db2.jcc.am.ResultSet.nextX(ResultSet.java:290)
>         at 
> com.ibm.db2.jcc.am.ResultSet.next(ResultSet.java:277)
>         at AfterLast.test(AfterLast.java:75)
>         at AfterLast.main(AfterLast.java:32)
> stmt.executeUpdate("CREATE  TABLE TAB ( I INT)");
> stmt.executeUpdate("INSERT INTO TAB VALUES(1)");
> stmt.executeUpdate("INSERT INTO TAB VALUES(2)");
> String sql ="SELECT * from tab";		
> ps = conn.prepareStatement(sql);
> ResultSet rs = ps.executeQuery();
> System.out.println(sql);
> while (rs.next())
> System.out.println(rs.getInt(1));
> try {
> 	System.out.println("one more next");
> 	rs.next();
> 		}
>     catch (Exception e)
> 		{
> 		System.out.println("FAIL: next should return false not throw 
> exception");
> 		e.printStackTrace();
> 		}

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