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https://issues.apache.org/jira/browse/PHOENIX-2021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14582340#comment-14582340
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James Taylor commented on PHOENIX-2021:
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Creating a PhoenixArray is expensive because it means deserializing and then
re-serializing, so I think we should avoid it. We may need better abstraction
for operating on the array in its byte format to simplify the code (and
increase code reuse).
> Implement ARRAY_CAT built in function
> -------------------------------------
>
> Key: PHOENIX-2021
> URL: https://issues.apache.org/jira/browse/PHOENIX-2021
> Project: Phoenix
> Issue Type: Sub-task
> Reporter: Dumindu Buddhika
> Assignee: Dumindu Buddhika
> Attachments: PHOENIX-2021.patch
>
>
> Ex:
> ARRAY_CAT(ARRAY[2, 3, 4], ARRAY[4, 5, 6]) = ARRAY[2,3,4,4,5,6]
> ARRAY_CAT(ARRAY["a", "b"], ARRAY["c", "d"]) = ARRAY["a", "b", "c", "d"]
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