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https://issues.apache.org/jira/browse/HIVE-11316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14644047#comment-14644047
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Jesus Camacho Rodriguez commented on HIVE-11316:
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[~hsubramaniyan], can we create the new interface to keep the original
toStringTree as in patch#3, but override the methods so any mutation in the
tree invalidates the memoized String as in patch#4? I think that should get us
the best of both worlds.
> Use datastructure that doesnt duplicate any part of string for
> ASTNode::toStringTree()
> --------------------------------------------------------------------------------------
>
> Key: HIVE-11316
> URL: https://issues.apache.org/jira/browse/HIVE-11316
> Project: Hive
> Issue Type: Bug
> Reporter: Hari Sankar Sivarama Subramaniyan
> Assignee: Hari Sankar Sivarama Subramaniyan
> Attachments: HIVE-11316-branch-1.0.patch,
> HIVE-11316-branch-1.2.patch, HIVE-11316.1.patch, HIVE-11316.2.patch,
> HIVE-11316.3.patch, HIVE-11316.4.patch, HIVE-11316.5.patch, HIVE-11316.6.patch
>
>
> HIVE-11281 uses an approach to memoize toStringTree() for ASTNode. This jira
> is suppose to alter the string memoization to use a different data structure
> that doesn't duplicate any part of the string so that we do not run into OOM.
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