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Takeshi Yamamuro commented on SPARK-29984:
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I'll close this for now because I cannot find a strong reason to support this. If necessary,
please reopen this.
> Add built-in Array Functions: array_ndims
> -----------------------------------------
>
> Key: SPARK-29984
> URL: https://issues.apache.org/jira/browse/SPARK-29984
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: jiaan.geng
> Priority: Major
>
> |{{array_ndims}}{{(}}{{anyarray}}{{)}}|{{int}}|returns the number of dimensions of the
array|{{array_ndims(ARRAY[[1,2,3], [4,5,6]])}}|{{2}}|
> [https://www.postgresql.org/docs/11/functions-array.html]
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