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https://issues.apache.org/jira/browse/FLINK-31166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17698305#comment-17698305
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Sergey Nuyanzin commented on FLINK-31166:
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[~jackylau] can you please update jira description with some example e.g. from
the PR.
Having screenshots in description does not help much since it is impossible to
copy&paste and run on Flink.
if i understand correctly from the PR:
{{ARRAY_CONTAINS}} works ok for the case when both haystack elements and needle
are not nullable e.g. {code:sql}SELECT array_contains(array[0, 1], 0);{code}
it works ok when both haystack elements and needle are nullable e.g.
{code:sql}SELECT array_contains(array[0, 1, null], cast(null as int));{code}
it works ok when haystack elements are null and needle is not nullable e.g.
{code:sql}SELECT array_contains(array[0, 1, null], 1);{code}
and it does NOT work when haystack elements are not nullable and needle is
nullable e.g. {code:sql}SELECT array_contains(array[0, 1], cast(null as
int));{code}
I'm asking since for me
in fact it was impossible to get to this from jira description reading and I
still want to double check if I understand it correctly
> array_contains element type error
> ---------------------------------
>
> Key: FLINK-31166
> URL: https://issues.apache.org/jira/browse/FLINK-31166
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.18.0
> Reporter: jackylau
> Assignee: jackylau
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.18.0
>
> Attachments: image-2023-02-21-18-37-45-202.png,
> image-2023-02-21-18-41-19-385.png, image-2023-02-22-09-56-59-257.png
>
>
> !image-2023-02-22-09-56-59-257.png!
>
> !image-2023-02-21-18-41-19-385.png!
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