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https://issues.apache.org/jira/browse/CASSANDRA-15641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Massimiliano Tomassi updated CASSANDRA-15641:
---------------------------------------------
Resolution: Invalid
Status: Resolved (was: Open)
> No error if consistency_level = SERIAL and unqualified select
> -------------------------------------------------------------
>
> Key: CASSANDRA-15641
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15641
> Project: Cassandra
> Issue Type: Bug
> Components: CQL/Semantics
> Reporter: Konstantin
> Assignee: Massimiliano Tomassi
> Priority: Normal
> Fix For: 4.0-rc
>
> Attachments: test.py
>
>
> The attached test program produces no errors, while doesn't provide serial
> consistency. There is no exception that the consistency level is incorrect.
> It's simply silently downgraded. The issue is not documented either.
> kostja@atlas ~ % python test.py
> Row(a=1, b=1)
> Row(a=0, b=0)
> Row(a=2, b=2)
> Row(a=3, b=3)
> Row(a=1, b=1)
> Row(a=2, b=2)
> The behavior is contrary to the original intent by LWT author, since the code
> has the following check:
> if (group.queries.size() > 1)
> throw new InvalidRequestException("SERIAL/LOCAL_SERIAL
> consistency may only be requested for one partition at a time");
> https://github.com/apache/cassandra/blob/cassandra-3.11/src/java/org/apache/cassandra/service/StorageProxy.java#L1593
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