Quanlong Huang created IMPALA-7609:
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Summary: Support ANSI SQL Json functions
Key: IMPALA-7609
URL: https://issues.apache.org/jira/browse/IMPALA-7609
Project: IMPALA
Issue Type: New Feature
Reporter: Quanlong Huang
This is a follow-up task of IMPALA-376 where we implemented the built-in
function as Hive's get_json_object.
In ANSI SQL standard, there're other JSON functions to support:
* {{json_exists(<json>, <path>)}}
* {{json_value(<json>, <path> [returning <type>])}}
* {{json_query(<json>, <path> …)}}{{}}
Ref: [https://modern-sql.com/blog/2017-06/whats-new-in-sql-2016#json-analysis]
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