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https://issues.apache.org/jira/browse/CASSANDRA-19889?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
David Capwell updated CASSANDRA-19889:
--------------------------------------
Reviewers: David Capwell, David Capwell
David Capwell, David Capwell (was: David Capwell)
Status: Review In Progress (was: Patch Available)
> Indexing a frozen collection that is the clustering key and reversed is
> rejected
> --------------------------------------------------------------------------------
>
> Key: CASSANDRA-19889
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19889
> Project: Cassandra
> Issue Type: Bug
> Components: CQL/Interpreter
> Reporter: David Capwell
> Assignee: Sunil Ramchandra Pawar
> Priority: Normal
> Fix For: 5.x
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> {code}
> CREATE TABLE tbl (
> pk int,
> ck frozen<list<int>>,
> value int,
> PRIMARY KEY(pk, ck)
> )
> WITH CLUSTERING ORDER BY (ck DESC)
> {code}
> If you index “ck” it will fail
> {code}
> CREATE INDEX ON tbl(FULL(ck));
> {code}
> The failure error is
> {code}
> Caused by: org.apache.cassandra.exceptions.InvalidRequestException: full()
> indexes can only be created on frozen collections
> at
> org.apache.cassandra.cql3.statements.schema.AlterSchemaStatement.ire(AlterSchemaStatement.java:222)
> at
> org.apache.cassandra.cql3.statements.schema.CreateIndexStatement.validateIndexTarget(CreateIndexStatement.java:250)
> at
> org.apache.cassandra.cql3.statements.schema.CreateIndexStatement.lambda$apply$1(CreateIndexStatement.java:177)
> {code}
> The reason? We have a ReverseType column! We must “unwrap” the type before
> this check...
> Basic test
> {code}
> schemaChange(format("CREATE TABLE %s.tbl (\n" +
> " pk int,\n" +
> " ck frozen<list<int>>,\n" +
> " value int,\n" +
> " PRIMARY KEY(pk, ck)\n" +
> ")\n" +
> "WITH CLUSTERING ORDER BY (ck DESC)", KEYSPACE));
> schemaChange(format("CREATE INDEX ON %s.tbl(FULL(ck));", KEYSPACE));
> {code}
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