[jira] [Updated] (CASSANDRA-6498) Null pointer exception in custom secondary indexes
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https://issues.apache.org/jira/browse/CASSANDRA-6498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jonathan Ellis updated CASSANDRA-6498:
--
Priority: Minor (was: Major)
Fix Version/s: 2.1
> Null pointer exception in custom secondary indexes
> --
>
> Key: CASSANDRA-6498
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6498
> Project: Cassandra
> Issue Type: Bug
>Reporter: Andrés de la Peña
>Assignee: Miguel Angel Fernandez Diaz
>Priority: Minor
> Labels: 2i, secondaryIndex, secondary_index
> Fix For: 2.1
>
> Attachments: CASSANDRA-6498.patch
>
>
> StorageProxy#estimateResultRowsPerRange raises a null pointer exception when
> using a custom 2i implementation that not uses a column family as underlying
> storage:
> {code}
> resultRowsPerRange = highestSelectivityIndex.getIndexCfs().getMeanColumns();
> {code}
> According to the documentation, the method SecondaryIndex#getIndexCfs should
> return null when no column family is used.
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[jira] [Updated] (CASSANDRA-6498) Null pointer exception in custom secondary indexes
[
https://issues.apache.org/jira/browse/CASSANDRA-6498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jonathan Ellis updated CASSANDRA-6498:
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Reviewer: Sam Tunnicliffe
WDYT [~beobal]?
> Null pointer exception in custom secondary indexes
> --
>
> Key: CASSANDRA-6498
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6498
> Project: Cassandra
> Issue Type: Bug
>Reporter: Andrés de la Peña
> Labels: 2i, secondaryIndex, secondary_index
> Attachments: CASSANDRA-6498.patch
>
>
> StorageProxy#estimateResultRowsPerRange raises a null pointer exception when
> using a custom 2i implementation that not uses a column family as underlying
> storage:
> {code}
> resultRowsPerRange = highestSelectivityIndex.getIndexCfs().getMeanColumns();
> {code}
> According to the documentation, the method SecondaryIndex#getIndexCfs should
> return null when no column family is used.
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[jira] [Updated] (CASSANDRA-6498) Null pointer exception in custom secondary indexes
[
https://issues.apache.org/jira/browse/CASSANDRA-6498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Miguel Angel Fernandez Diaz updated CASSANDRA-6498:
---
Attachment: CASSANDRA-6498.patch
In order to avoid this null pointer exception, we shouldn't assume that
highestSelectivityIndex (which is a SecondaryIndex) has a IndexCfs because that
depends on the implementation type.
Therefore, a nice way to solve this issue would be to include an abstract
method in the SecondaryIndex class, add a implementation of the method where we
really know there is a IndexCfs and otherwise delegate the implementation of
this method to those who are creating a custom 2i.
I submit a patch that implements this solution.
> Null pointer exception in custom secondary indexes
> --
>
> Key: CASSANDRA-6498
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6498
> Project: Cassandra
> Issue Type: Bug
>Reporter: Andrés de la Peña
> Labels: 2i, secondaryIndex, secondary_index
> Attachments: CASSANDRA-6498.patch
>
>
> StorageProxy#estimateResultRowsPerRange raises a null pointer exception when
> using a custom 2i implementation that not uses a column family as underlying
> storage:
> {code}
> resultRowsPerRange = highestSelectivityIndex.getIndexCfs().getMeanColumns();
> {code}
> According to the documentation, the method SecondaryIndex#getIndexCfs should
> return null when no column family is used.
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