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https://issues.apache.org/jira/browse/IGNITE-18872?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrey Mashenkov reassigned IGNITE-18872:
-----------------------------------------
Assignee: Andrey Mashenkov
> Sql. Make IgniteTypeFactory a singletone.
> -----------------------------------------
>
> Key: IGNITE-18872
> URL: https://issues.apache.org/jira/browse/IGNITE-18872
> Project: Ignite
> Issue Type: Improvement
> Components: sql
> Reporter: Andrey Mashenkov
> Assignee: Andrey Mashenkov
> Priority: Major
> Labels: ignite-3
> Fix For: 3.0.0-beta2
>
>
> As of now we have one static instance of TypeFactory in BasicQueryContext and
> another one is creating in the class constructor.
> TypeFactory cache type objects and use intern (similar to String.intern()) to
> avoid duplicate objects.
> Type comparison, which are created with different factories, via equals is
> not cheap. Actually, a string digest of each object created, then strings are
> compared each time.
> It make no sense to have more than one TypeFactory instance.
>
> Also, we have few places where types are compared as ‘==’ that is incorrect.
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