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Posted to issues-all@impala.apache.org by "Quanlong Huang (Jira)" <ji...@apache.org> on 2021/01/30 02:27:00 UTC
[jira] [Assigned] (IMPALA-7610) Parse JSON path individually and
cache them in JSON functions
[ https://issues.apache.org/jira/browse/IMPALA-7610?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Quanlong Huang reassigned IMPALA-7610:
--------------------------------------
Assignee: Quanlong Huang
> Parse JSON path individually and cache them in JSON functions
> -------------------------------------------------------------
>
> Key: IMPALA-7610
> URL: https://issues.apache.org/jira/browse/IMPALA-7610
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Quanlong Huang
> Assignee: Quanlong Huang
> Priority: Major
> Labels: json
>
> In IMPALA-376, we implement Hive's UDF get_json_object. However, the JSON path is parsed everytime the function is called, while it's usually a constant string. We can parse the JSON path and cache it in the query's lifecycle.
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