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Haisheng Yuan commented on CALCITE-3932: ---------------------------------------- If we consider the use of ThreadPool, we probably still need evictable cache, e.g. weak interner. > Make data type cache thread local, non-evictable > ------------------------------------------------ > > Key: CALCITE-3932 > URL: https://issues.apache.org/jira/browse/CALCITE-3932 > Project: Calcite > Issue Type: Improvement > Components: core > Reporter: Haisheng Yuan > Priority: Major > Fix For: 1.23.0 > > > Data type can be evicted out of cache, which is global, thread-safe. > It seems not necessary to cache them globally, because most of them are > RelRecordType, which is query dependent, not sharable between different > queries. -- This message was sent by Atlassian Jira (v8.3.4#803005)