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https://issues.apache.org/jira/browse/CASSANDRA-14476?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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C. Scott Andreas updated CASSANDRA-14476:
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Component/s: Core
> ShortType and ByteType are incorrectly considered variable-length types
> -----------------------------------------------------------------------
>
> Key: CASSANDRA-14476
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14476
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Vladimir Krivopalov
> Priority: Minor
> Labels: lhf
>
> The AbstractType class has a method valueLengthIfFixed() that returns -1 for
> data types with a variable length and a positive value for types with a fixed
> length. This is primarily used for efficient serialization and
> deserialization.
>
> It turns out that there is an inconsistency in types ShortType and ByteType
> as those are in fact fixed-length types (2 bytes and 1 byte, respectively)
> but they don't have the valueLengthIfFixed() method overloaded and it returns
> -1 as if they were of variable length.
>
> It would be good to fix that at some appropriate point, for example, when
> introducing a new version of SSTables format, to keep the meaning of the
> function consistent across data types. Saving some bytes in serialized format
> is a minor but pleasant bonus.
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