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https://issues.apache.org/jira/browse/PHOENIX-1875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14532835#comment-14532835
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James Taylor commented on PHOENIX-1875:
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No, we don't want to store trailing null values, so I wouldn't append anything
in this case.
See PHOENIX-777 - that'd be great if you could work on that next, [~Dumindux].
Take care to maintain backward compatibility in our array serialization format.
> implement ARRAY_PREPEND built in function
> -----------------------------------------
>
> Key: PHOENIX-1875
> URL: https://issues.apache.org/jira/browse/PHOENIX-1875
> Project: Phoenix
> Issue Type: Sub-task
> Reporter: Dumindu Buddhika
> Assignee: Dumindu Buddhika
> Attachments: PHOENIX-1875-v2.patch, PHOENIX-1875-v3.patch,
> PHOENIX-1875-v4.patch
>
>
> ARRAY_PREPEND(1, ARRAY[2, 3]) = ARRAY[1, 2, 3]
> ARRAY_PREPEND("a", ARRAY["b", "c"]) = ARRAY["a", "b", "c"]
> ARRAY_PREPEND(null, ARRAY["b", "c"]) = ARRAY[null, "b", "c"]
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