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Posted to issues@hive.apache.org by "mahesh kumar behera (Jira)" <ji...@apache.org> on 2020/11/10 03:21:00 UTC

[jira] [Assigned] (HIVE-24362) AST tree processing is suboptimal for tree with large number of nodes

     [ https://issues.apache.org/jira/browse/HIVE-24362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

mahesh kumar behera reassigned HIVE-24362:
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> AST tree processing is suboptimal for tree with large number of nodes
> ---------------------------------------------------------------------
>
>                 Key: HIVE-24362
>                 URL: https://issues.apache.org/jira/browse/HIVE-24362
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>            Reporter: mahesh kumar behera
>            Assignee: mahesh kumar behera
>            Priority: Major
>
> In hive the children information is stored as list of objects. During processing of the children of a node, the list of object is converted to list of Nodes. This can cause large compilation time if the number of children is large. The list of children can be cached in the AST node to avoid this re-computation. 



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