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https://issues.apache.org/jira/browse/CASSANDRA-18504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17728560#comment-17728560
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David Capwell commented on CASSANDRA-18504:
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just pushed a patch that breaks AbstractTypeTest as I added support for
CompositeType and found a fun bug where using this may corrupt the DB's
in-memory state (if set<'CompositeType(...)'> is seen before set< bytes> is
seen, then ordering breaks in
org.apache.cassandra.serializers.SetSerializer#serializeValues... adding a test
to detect this type of bug also found the same issue with LexicalUUIDType and
uuid, which can corrupt ordering as well...
> Added support for type VECTOR<type, dimension>
> ----------------------------------------------
>
> Key: CASSANDRA-18504
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18504
> Project: Cassandra
> Issue Type: Improvement
> Components: Cluster/Schema, CQL/Syntax
> Reporter: David Capwell
> Assignee: David Capwell
> Priority: Normal
> Fix For: 5.x
>
> Time Spent: 7h 40m
> Remaining Estimate: 0h
>
> Based off several mailing list threads (see "[POLL] Vector type for ML”,
> "[DISCUSS] New data type for vector search”, and "Adding vector search to SAI
> with heirarchical navigable small world graph index”), its desirable to add a
> new type “VECTOR” that has the following properties
> 1) fixed length array
> 2) elements may not be null
> 3) flatten array (aka multi-cell = false)
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