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https://issues.apache.org/jira/browse/FLINK-31665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17730132#comment-17730132
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Timo Walther commented on FLINK-31665:
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Thanks for the detailed investigation [~Sergey Nuyanzin]. I would say the fact
that BigQuery uses `ARRAY_CONCAT` and we already have a Flink function called
`CONCAT` justifies calling this function `ARRAY_CONCAT` as well for consistency.
I would also be up for supporting var args instead of just 2 arguments from the
very beginning. What do you think [~hanyuzheng]?
> Add ARRAY_CONCAT supported in SQL & Table API
> ---------------------------------------------
>
> Key: FLINK-31665
> URL: https://issues.apache.org/jira/browse/FLINK-31665
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Planner
> Affects Versions: 1.18.0
> Reporter: jackylau
> Assignee: Hanyu Zheng
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.18.0
>
>
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