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From "Philip Wilder (JIRA)" <derby-...@db.apache.org>
Subject [jira] Updated: (DERBY-213) ResultSet.next() after last row of FORWARD_ONLY cursor throws an SQL Exception with Network Server
Date Tue, 14 Jun 2005 19:40:11 GMT
     [ http://issues.apache.org/jira/browse/DERBY-213?page=all ]

Philip Wilder updated DERBY-213:
--------------------------------

    Attachment: ResultSet Outline.pdf

Expected ResultSet behavior as per JDBC specifications V1.0

> 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 Server
>     Versions: 10.1.0.0
>     Reporter: Kathey Marsden
>     Assignee: Philip Wilder
>  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, 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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