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https://issues.apache.org/jira/browse/PHOENIX-6735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17555084#comment-17555084
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Istvan Toth commented on PHOENIX-6735:
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Reading the[https://sqlalche.me/e/14/cprf], we don't support any of the feature
where caching may be relevant, so we can just the property to false.
> SqlAlchemy complains about 'supports_statement_cache'
> -----------------------------------------------------
>
> Key: PHOENIX-6735
> URL: https://issues.apache.org/jira/browse/PHOENIX-6735
> Project: Phoenix
> Issue Type: Bug
> Components: python, queryserver
> Reporter: Istvan Toth
> Priority: Major
>
> Warning: Dialect phoenix:phoenixdb will not make use of SQL compilation
> caching as it does not set the 'supports_statement_cache' attribute to
> ``True``. This can have significant performance implications including some
> performance degradations in comparison to prior SQLAlchemy versions. Dialect
> maintainers should seek to set this attribute to True after appropriate
> development and testing for SQLAlchemy 1.4 caching support. Alternatively,
> this attribute may be set to False which will disable this warning.
> (Background on this error at: https://sqlalche.me/e/14/cprf)
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