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https://issues.apache.org/jira/browse/CALCITE-4079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17165254#comment-17165254
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Julian Hyde commented on CALCITE-4079:
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[~rubenql], I'll add {{List<RexNode> Sort.getSortExps()}}. The list will be
computed on demand, rather populated in Sort's constructor.
> Dialect constants in SqlDialect can cause class initialization deadlock
> -----------------------------------------------------------------------
>
> 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
> Assignee: Julian Hyde
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.25.0
>
> Attachments: CALCITE-4079.01.patch,
> image-2020-07-01-19-27-25-354.png, image-2020-07-01-19-51-32-397.png
>
> Time Spent: 0.5h
> 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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