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https://issues.apache.org/jira/browse/PHOENIX-5025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16719348#comment-16719348
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Andrew Purtell commented on PHOENIX-5025:
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After this commit it is no longer possible to build Phoenix with Java 7, is
this intentional?
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[ERROR]
/home/apurtell/tmp/build/sfdc-phoenix-build/phoenix-core/src/it/java/org/apache/phoenix/end2end/OrphanViewToolIT.java:[209,18]
cannot find symbol
[ERROR] symbol: method lines(java.nio.file.Path)
[ERROR] location: class java.nio.file.Files
[ERROR]
/home/apurtell/tmp/build/sfdc-phoenix-build/phoenix-core/src/it/java/org/apache/phoenix/end2end/OrphanViewToolIT.java:[210,28]
cannot find symbol
[ERROR] symbol: method lines(java.nio.file.Path)
[ERROR] location: class java.nio.file.Files
[ERROR]
/home/apurtell/tmp/build/sfdc-phoenix-build/phoenix-core/src/it/java/org/apache/phoenix/end2end/OrphanViewToolIT.java:[211,25]
cannot find symbol
[ERROR] symbol: method lines(java.nio.file.Path)
[ERROR] location: class java.nio.file.Files
[ERROR] -> [Help 1]
{noformat}
> Tool to clean up orphan views
> -----------------------------
>
> Key: PHOENIX-5025
> URL: https://issues.apache.org/jira/browse/PHOENIX-5025
> Project: Phoenix
> Issue Type: New Feature
> Reporter: Kadir OZDEMIR
> Assignee: Kadir OZDEMIR
> Priority: Major
> Fix For: 5.0.0
>
> Attachments: PHOENIX-5025.master.0001.patch, PHOENIX-5025.master.patch
>
>
> A view without its base table is an orphan view. Since views are virtual
> tables and their data is stored in their base tables, they are useless when
> they become orphan. A base table can have child views, grandchild views and
> so on. Due to some reasons/bugs, when a base table was dropped, its views
> were not not properly cleaned up in the past. For example, the drop table
> code did not support cleaning up grandchild views. This has been recently
> fixed by PHOENIX-4764. Although PHOENIX-4764 prevents new orphan views due to
> table drop operations, it does not clean up existing orphan views. It is also
> believed that when the system catalog table was split due to a bug in the
> past, it also contributed to creating orphan views as Phoenix did not support
> splittable system catalog. Therefore, Phoenix needs a tool to clean up orphan
> views.
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