[jira] [Updated] (DERBY-6926) InitPageOperation does not check before reading and writing

2017-03-19 Thread Rick Hillegas (JIRA)
[ https://issues.apache.org/jira/browse/DERBY-6926?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Rick Hillegas updated DERBY-6926: - Issue Type: Improvement (was: Bug) > InitPageOperation does not check before reading and writing

[jira] [Commented] (DERBY-5936) AllocPage.ReadContainerInfo throws ArrayIndexOutOfBoundsException at arraycopy

2017-03-19 Thread Bryan Pendleton (JIRA)
[ https://issues.apache.org/jira/browse/DERBY-5936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15931750#comment-15931750 ] Bryan Pendleton commented on DERBY-5936: Petr, is your stack trace in your case *exactly* the same

[jira] [Commented] (DERBY-5936) AllocPage.ReadContainerInfo throws ArrayIndexOutOfBoundsException at arraycopy

2017-03-19 Thread Rick Hillegas (JIRA)
[ https://issues.apache.org/jira/browse/DERBY-5936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15931714#comment-15931714 ] Rick Hillegas commented on DERBY-5936: -- Hi Petr, I don't have any good theories either. It wouldn't

[jira] [Updated] (DERBY-6926) InitPageOperation does not check before reading and writing

2017-03-19 Thread Bryan Pendleton (JIRA)
[ https://issues.apache.org/jira/browse/DERBY-6926?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Bryan Pendleton updated DERBY-6926: --- Description: The readExternal and writeExternal methods are not checked before reading and

[jira] [Commented] (DERBY-6926) InitPageOperation does not check before reading and writing

2017-03-19 Thread Bryan Pendleton (JIRA)
[ https://issues.apache.org/jira/browse/DERBY-6926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15931746#comment-15931746 ] Bryan Pendleton commented on DERBY-6926: Can you contribute a patch showing precisely what code

DERBY-6921 How good is the Derby Query Optimizer, really

2017-03-19 Thread Harshvardhan Gupta
Hi, I am in the process of writing a proposal for this GSoC summer project, I read the VLDB paper by Dr. Viktor Leis who introduced a new benchmark suite for evaluating database query optimizers: http://www.vldb.org/pvldb/vol9/p204-leis.pdf. The paper did an end to end study of various

[jira] [Commented] (DERBY-5936) AllocPage.ReadContainerInfo throws ArrayIndexOutOfBoundsException at arraycopy

2017-03-19 Thread Petr Slaby (JIRA)
[ https://issues.apache.org/jira/browse/DERBY-5936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15932001#comment-15932001 ] Petr Slaby commented on DERBY-5936: --- Hi Bryan {quote} Petr, is your stack trace in your case exactly the

[jira] [Commented] (DERBY-5936) AllocPage.ReadContainerInfo throws ArrayIndexOutOfBoundsException at arraycopy

2017-03-19 Thread Petr Slaby (JIRA)
[ https://issues.apache.org/jira/browse/DERBY-5936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15931996#comment-15931996 ] Petr Slaby commented on DERBY-5936: --- Hi Rick, {quote} If you are running client/server, then you could