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https://issues.apache.org/jira/browse/CALCITE-4079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17142353#comment-17142353
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Stamatis Zampetakis commented on CALCITE-4079:
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If it really causes problems I guess we can remove them now but can you provide
a bit more info about how the deadlock occurs. Is this the root cause?
> Remove the deprecated code from SqlDialect
> ------------------------------------------
>
> Key: CALCITE-4079
> URL: https://issues.apache.org/jira/browse/CALCITE-4079
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.23.0
> Reporter: TANG Wen-hui
> Priority: Major
> Time Spent: 20m
> Remaining Estimate: 0h
>
> {code:java}
> /** @deprecated Use {@link AnsiSqlDialect#DEFAULT} instead. */
> @Deprecated // to be removed before 2.0
> public static final SqlDialect DUMMY =
> AnsiSqlDialect.DEFAULT;
> /** @deprecated Use {@link CalciteSqlDialect#DEFAULT} instead. */
> @Deprecated // to be removed before 2.0
> public static final SqlDialect CALCITE =
> CalciteSqlDialect.DEFAULT;{code}
> SqlDialect#DUMMY and SqlDialect#CALCITE are marked deprecated and have not be
> used in any places.
> It would be better to remove them to avoid class initialization deadlock.
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