Alexander Pivovarov created HIVE-9864:
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Summary: Refactor get_json_object 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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