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https://issues.apache.org/jira/browse/FLINK-31377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17698318#comment-17698318
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jackylau commented on FLINK-31377:
----------------------------------

hi [~twalthr] ,this is a bug from array_contains, when i develop array_remove i 
found.
{code:java}
ArrayData.createElementGetter(needleDataType.getLogicalType()) {code}
when the needle is MAP NOT NULL. then ArrayData.createElementGetter will not 
process null is arrays. and will throw expcetion

 

> BinaryArrayData getArray/getMap should Handle null correctly AssertionError: 
> valueArraySize (-6) should >= 0 
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-31377
>                 URL: https://issues.apache.org/jira/browse/FLINK-31377
>             Project: Flink
>          Issue Type: Bug
>    Affects Versions: 1.18.0
>            Reporter: jackylau
>            Priority: Major
>
> {code:java}
> // code placeholder
> when i use , if the element has map which is null
> Object getElementOrNull(ArrayData array, int pos);{code}



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