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Posted to issues@impala.apache.org by "Quanlong Huang (JIRA)" <ji...@apache.org> on 2018/09/23 04:24:00 UTC

[jira] [Created] (IMPALA-7611) Support index range in JSON path of JSON functions

Quanlong Huang created IMPALA-7611:
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             Summary: Support index range in JSON path of JSON functions
                 Key: IMPALA-7611
                 URL: https://issues.apache.org/jira/browse/IMPALA-7611
             Project: IMPALA
          Issue Type: New Feature
            Reporter: Quanlong Huang


In JSON functions like get_json_object, JSON path is used to extract the json values. We should
support range syntax like [2 to 7] and keyword `last` in the JSON path.

Hive has not supported it yet but MySQL does since 8.0.2. See https://dev.mysql.com/worklog/task/?id=9831 and https://github.com/mysql/mysql-server/commit/9f4678a



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