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https://issues.apache.org/jira/browse/HIVE-2927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean McNamara updated HIVE-2927:
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Component/s: (was: Security)
Serializers/Deserializers
> Allow escape character in get_json_object
> -----------------------------------------
>
> Key: HIVE-2927
> URL: https://issues.apache.org/jira/browse/HIVE-2927
> Project: Hive
> Issue Type: Improvement
> Components: Serializers/Deserializers
> Reporter: Sean McNamara
> Attachments: HIVE-2927.1.patch.txt
>
> Original Estimate: 0h
> Remaining Estimate: 0h
>
> *Background:*
> get_json_object extracts json objects from a json string based on a specified
> path.
> *Problem:*
> The current implementation of get_json_object can't see keys with a '.' in
> them. Our data contains '.' in the keys, so we have to filter our json keys
> through a streaming script to replace '.' for '_'.
> *Example:*
> {{json = {"a":{"b": 1}, "c.d": 2}}}
> {{get_json_object(json, "a.b") returns: 1}}
> {{get_json_object(json, "c.d") returns: NULL}}
> In the present implementation of get_json_object, c.d is not addressable.
> *Proposal:*
> The desired behavior would be to allow the JSON path to be escape-able, like
> so:
> {{get_json_object(json, '$.c\\\.d') would return: 2}}
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