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https://issues.apache.org/jira/browse/HIVE-9864?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexander Pivovarov updated HIVE-9864:
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Summary: Refactor get_json_object udf to use Jayway JsonPath (was:
Refactor get_json_object to use Jayway JsonPath)
> Refactor get_json_object udf to use Jayway JsonPath
> ---------------------------------------------------
>
> Key: HIVE-9864
> URL: https://issues.apache.org/jira/browse/HIVE-9864
> Project: Hive
> Issue Type: Improvement
> Components: UDF
> Reporter: Alexander Pivovarov
> Assignee: Alexander Pivovarov
>
> We can use Jayway JsonPath 1.2.0 to query json (Apache License, Version 2.0)
> Reasons:
> 1. existing get_json_object syntax is limited in comparison to JsonPath
> 2. Reason to have 175 lines of code to parse json is unclear.
> Looks like we can replace code btw lines 129-304 with
> {code}
> String result = JsonPath.parse(json).read(path)
> {code}
> 3. We can add some smoke tests to test refactored get_json_object udf.
> Existing get_json_object impl requires much more testcases because it has 175
> lines on custom code to parse json.
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