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https://issues.apache.org/jira/browse/CASSANDRA-5851?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aleksey Yeschenko updated CASSANDRA-5851:
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Attachment: 5851-extra.txt
> Fix 2i on composite components omissions
> ----------------------------------------
>
> Key: CASSANDRA-5851
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5851
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 2.0 beta 2
> Reporter: Aleksey Yeschenko
> Assignee: Aleksey Yeschenko
> Fix For: 2.0
>
> Attachments: 5851-extra.txt, 5851.txt
>
>
> There some edge-cases, not covered by CASSANDRA-5125, the attached patch
> fixes those:
> (Assuming CREATE TABLE test (pk0 int, pk1 int, ck0 int, ck1 int, val int,
> PRIMARY KEY ((pk0, pk1), ck0, ck1)))
> - could not create a 2i on the first part of a composite partition key (pk0)
> - if created, it couldn't work because of getKeyBounds() returning non-empty
> bounds
> - could create an index on the first clustering key column (ck0), but it
> would never actually be triggered on reads
> - queries like SELECT * FROM test WHERE pk0 = x AND pk1 = y AND ck1 = z would
> throw an exception because COCK.makeIndexColumnNameBuilder() couldn't handle
> empty provided columnName
> - cqlsh could not describe any of these indexes because it was taking column
> aliases and key aliases from schema_columnfamilies and not reading them
> directly from schema_columns (had to do the related refactoring).
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