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Posted to commits@cassandra.apache.org by "Tyler Hobbs (JIRA)" <ji...@apache.org> on 2014/05/21 18:40:39 UTC

[jira] [Assigned] (CASSANDRA-7120) Bad paging state returned for prepared statements for last page

     [ https://issues.apache.org/jira/browse/CASSANDRA-7120?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tyler Hobbs reassigned CASSANDRA-7120:
--------------------------------------

    Assignee: Tyler Hobbs  (was: Sylvain Lebresne)

> Bad paging state returned for prepared statements for last page
> ---------------------------------------------------------------
>
>                 Key: CASSANDRA-7120
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7120
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Tyler Hobbs
>            Assignee: Tyler Hobbs
>             Fix For: 2.1 rc1
>
>
> When executing a paged query with a prepared statement, a non-null paging state is sometimes being returned for the final page, causing an endless paging loop.
> Specifically, this is the schema being used:
> {noformat}
>     CREATE KEYSPACE test3rf WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '3'}';
>     USE test3rf;
>     CREATE TABLE test3rf.test (
>                 k int PRIMARY KEY,
>                 v int
>     )
> {noformat}
> The inserts are like so:
> {noformat}
> INSERT INTO test3rf.test (k, v) VALUES (?, 0)
> {noformat}
> With values from [0, 99] used for k.
> The query is {{SELECT * FROM test3rf.test}} with a fetch size of 3.
> The final page returns the row with k=3, and the paging state is {{0004000000420004000176007fffffa2}}.  This matches the paging state from three pages earlier.  When executing this with a non-prepared statement, no paging state is returned for this page.
> This problem doesn't happen with the 2.0 branch.



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Re: [jira] [Assigned] (CASSANDRA-7120) Bad paging state returned for prepared statements for last page

Posted by Benedict Elliott Smith <be...@datastax.com>.
We need to add 7245 to that list. I'll try to get to it tomorrow.


On 21 May 2014 17:40, Tyler Hobbs (JIRA) <ji...@apache.org> wrote:

>
>      [
> https://issues.apache.org/jira/browse/CASSANDRA-7120?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel]
>
> Tyler Hobbs reassigned CASSANDRA-7120:
> --------------------------------------
>
>     Assignee: Tyler Hobbs  (was: Sylvain Lebresne)
>
> > Bad paging state returned for prepared statements for last page
> > ---------------------------------------------------------------
> >
> >                 Key: CASSANDRA-7120
> >                 URL:
> https://issues.apache.org/jira/browse/CASSANDRA-7120
> >             Project: Cassandra
> >          Issue Type: Bug
> >          Components: Core
> >            Reporter: Tyler Hobbs
> >            Assignee: Tyler Hobbs
> >             Fix For: 2.1 rc1
> >
> >
> > When executing a paged query with a prepared statement, a non-null
> paging state is sometimes being returned for the final page, causing an
> endless paging loop.
> > Specifically, this is the schema being used:
> > {noformat}
> >     CREATE KEYSPACE test3rf WITH replication = {'class':
> 'SimpleStrategy', 'replication_factor': '3'}';
> >     USE test3rf;
> >     CREATE TABLE test3rf.test (
> >                 k int PRIMARY KEY,
> >                 v int
> >     )
> > {noformat}
> > The inserts are like so:
> > {noformat}
> > INSERT INTO test3rf.test (k, v) VALUES (?, 0)
> > {noformat}
> > With values from [0, 99] used for k.
> > The query is {{SELECT * FROM test3rf.test}} with a fetch size of 3.
> > The final page returns the row with k=3, and the paging state is
> {{0004000000420004000176007fffffa2}}.  This matches the paging state from
> three pages earlier.  When executing this with a non-prepared statement, no
> paging state is returned for this page.
> > This problem doesn't happen with the 2.0 branch.
>
>
>
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> (v6.2#6252)
>