[jira] [Commented] (DERBY-6940) Enhance derby statistics for more accurate selectivity estimates.

[ https://issues.apache.org/jira/browse/DERBY-6940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16063622#comment-16063622 ] Harshvardhan Gupta commented on DERBY-6940: --- Since I am performing deep copy of the objects, I

[jira] [Commented] (DERBY-6940) Enhance derby statistics for more accurate selectivity estimates.

[ https://issues.apache.org/jira/browse/DERBY-6940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16061702#comment-16061702 ] Bryan Pendleton commented on DERBY-6940: Your approach to addressing the DERBY-3219 problems seems

[jira] [Commented] (DERBY-6940) Enhance derby statistics for more accurate selectivity estimates.

[ https://issues.apache.org/jira/browse/DERBY-6940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16061215#comment-16061215 ] Harshvardhan Gupta commented on DERBY-6940: --- Also, I am creating another issue which will track

[jira] [Commented] (DERBY-6940) Enhance derby statistics for more accurate selectivity estimates.

[ https://issues.apache.org/jira/browse/DERBY-6940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16061206#comment-16061206 ] Harshvardhan Gupta commented on DERBY-6940: --- Hi Bryan, I thought of a workaround and was

[jira] [Commented] (DERBY-6940) Enhance derby statistics for more accurate selectivity estimates.

[ https://issues.apache.org/jira/browse/DERBY-6940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16060091#comment-16060091 ] Harshvardhan Gupta commented on DERBY-6940: --- While debugging the failed test cases I seem to

[jira] [Commented] (DERBY-6940) Enhance derby statistics for more accurate selectivity estimates.

[ https://issues.apache.org/jira/browse/DERBY-6940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16058566#comment-16058566 ] Bryan Pendleton commented on DERBY-6940: Regarding your observation about average row size and

[jira] [Commented] (DERBY-6940) Enhance derby statistics for more accurate selectivity estimates.

[ https://issues.apache.org/jira/browse/DERBY-6940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16058547#comment-16058547 ] Bryan Pendleton commented on DERBY-6940: Thanks for the background information, and for the new

[jira] [Commented] (DERBY-6940) Enhance derby statistics for more accurate selectivity estimates.

[ https://issues.apache.org/jira/browse/DERBY-6940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16058041#comment-16058041 ] Harshvardhan Gupta commented on DERBY-6940: --- Another related link I missed earlier -

[jira] [Commented] (DERBY-6940) Enhance derby statistics for more accurate selectivity estimates.

[ https://issues.apache.org/jira/browse/DERBY-6940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16056415#comment-16056415 ] Bryan Pendleton commented on DERBY-6940: It seems like you are making very good progress on this!

[jira] [Commented] (DERBY-6940) Enhance derby statistics for more accurate selectivity estimates.

[ https://issues.apache.org/jira/browse/DERBY-6940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16056086#comment-16056086 ] Harshvardhan Gupta commented on DERBY-6940: --- I am looking at object serialization as a possible

[jira] [Commented] (DERBY-6940) Enhance derby statistics for more accurate selectivity estimates.

[ https://issues.apache.org/jira/browse/DERBY-6940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16056079#comment-16056079 ] Harshvardhan Gupta commented on DERBY-6940: --- Another thing, I am able to write and read the

[jira] [Commented] (DERBY-6940) Enhance derby statistics for more accurate selectivity estimates.

[ https://issues.apache.org/jira/browse/DERBY-6940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16053201#comment-16053201 ] Harshvardhan Gupta commented on DERBY-6940: --- Additionally we need to work on upgrade procedures,