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https://issues.apache.org/jira/browse/CASSANDRA-10721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15110892#comment-15110892
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Benjamin Lerer commented on CASSANDRA-10721:
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The changes look good.
For the {{referencesUserType}}, I am even more convinced than before that it
should go into into {{AbstractType}}. Those {{asCQL3Type()}} calls everywere
are a clear sign to me that it will be a better place. At the same time, I do
not want to discuss it for too long. I let you choose.
> Altering a UDT might break UDA deserialisation
> ----------------------------------------------
>
> Key: CASSANDRA-10721
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10721
> Project: Cassandra
> Issue Type: Bug
> Components: CQL, Distributed Metadata
> Reporter: Aleksey Yeschenko
> Assignee: Robert Stupp
> Fix For: 3.0.x
>
>
> CASSANDRA-10650 switched UDA's {{initcond}} serialisation in schema to its
> CQL literal. This means that if any particular field is renamed in the UDT,
> or of its type gets changes, we will not be able to parse initcond back.
> We should either:
> 1) Forbid renames and type switches in UDTs that are being used in UDAs, or
> 2) Make sure we alter the UDAs in schema alongside the new UDT at all times
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