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https://issues.apache.org/jira/browse/SPARK-31008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun reassigned SPARK-31008:
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Assignee: Rakesh Raushan
> Support json_array_length function
> ----------------------------------
>
> Key: SPARK-31008
> URL: https://issues.apache.org/jira/browse/SPARK-31008
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Rakesh Raushan
> Assignee: Rakesh Raushan
> Priority: Major
>
> At the moment we don't support json_array_length function in spark.
> This function is supported by
> a.) PostgreSQL -> [https://www.postgresql.org/docs/9.3/functions-json.html]
> b.) Presto -> [https://prestodb.io/docs/current/functions/json.html]
> c.) redshift ->
> [https://docs.aws.amazon.com/redshift/latest/dg/JSON_ARRAY_LENGTH.html]
>
> This allows naive users to directly get array length with a well defined json
> function.
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