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https://issues.apache.org/jira/browse/DRILL-4007?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Hsuan-Yi Chu updated DRILL-4007:
-------------------------------------
Attachment: b.json
a.json
> json reader treats empty list inconsistently,
> ---------------------------------------------
>
> Key: DRILL-4007
> URL: https://issues.apache.org/jira/browse/DRILL-4007
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - JSON
> Reporter: Sean Hsuan-Yi Chu
> Assignee: Sean Hsuan-Yi Chu
> Priority: Critical
> Attachments: a.json, b.json
>
>
> Depending on where the empty list shows up, the empty list could be treated
> as empty-list or just a null.
> Running the following query on the folder with files in the attachment can
> reproduce the observation:
> {code}
> +--------+
> | a |
> +--------+
> | null |
> | ["b"] |
> | [] |
> +--------+
> {code}
> Note that both first and third records come from
> {code}
> {“a”:[]}
> {code}
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