[jira] [Commented] (CASSANDRA-7875) Prepared statements using dropped indexes are not handled correctly

["Aleksey Yeschenko (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-7875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14344738#comment-14344738 ] 

Aleksey Yeschenko commented on CASSANDRA-7875:
----------------------------------------------

Thanks for looking into it. I'm leaning towards leaving 2.0 alone, but not sure. [~thobbs] ?

> Prepared statements using dropped indexes are not handled correctly
> -------------------------------------------------------------------
>
>                 Key: CASSANDRA-7875
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7875
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Tyler Hobbs
>            Assignee: Stefania
>            Priority: Minor
>             Fix For: 2.1.4
>
>         Attachments: prepared_statements_test.py, repro.py
>
>
> When select statements are prepared, we verify that the column restrictions use indexes (where necessary).  However, we don't perform a similar check when the statement is executed, so it fails somewhere further down the line.  In this case, it hits an assertion:
> {noformat}
> java.lang.AssertionError: Sequential scan with filters is not supported (if you just created an index, you need to wait for the creation to be propagated to all nodes before querying it)
> 	at org.apache.cassandra.db.filter.ExtendedFilter$WithClauses.getExtraFilter(ExtendedFilter.java:259)
> 	at org.apache.cassandra.db.ColumnFamilyStore.filter(ColumnFamilyStore.java:1759)
> 	at org.apache.cassandra.db.ColumnFamilyStore.getRangeSlice(ColumnFamilyStore.java:1709)
> 	at org.apache.cassandra.db.PagedRangeCommand.executeLocally(PagedRangeCommand.java:119)
> 	at org.apache.cassandra.service.StorageProxy$LocalRangeSliceRunnable.runMayThrow(StorageProxy.java:1394)
> 	at org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1936)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:724)
> {noformat}
> During execution, we should check that the indexes still exist and provide a better error if they do not.



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