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https://issues.apache.org/jira/browse/CALCITE-4061?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17134579#comment-17134579
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Julian Hyde commented on CALCITE-4061:
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Thanks for fixing, [~vlsi]! (Thanks for also fixing the bit-rot.)
> Build should fail if Calcite code uses deprecated APIs
> -------------------------------------------------------
>
> Key: CALCITE-4061
> URL: https://issues.apache.org/jira/browse/CALCITE-4061
> Project: Calcite
> Issue Type: Bug
> Reporter: Julian Hyde
> Assignee: Vladimir Sitnikov
> Priority: Major
> Fix For: 1.24.0
>
>
> Calcite build should fail if Calcite code uses deprecated APIs. This includes
> external APIs (e.g. Guava methods) and internal APIs (e.g. a deprecated class
> in the org.apache.calcite.util package).
> This used to occur when the build was powered by Maven.
> Compared to a policy where code is allowed to use deprecated APIs for a
> 'grace period', this policy has a number of advantages. One is that Calcite
> devs (or users) can upgrade dependencies at short notice, with no code
> changes.
> Another is that it forces people who are doing internal refactoring
> (replacing one internal Calcite API with another) to finish the job.
> [~vlsi] Can you take this please? I can't figure out how to set javac's
> '-Xlint:deprecated -Werror' from Gradle.
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