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https://issues.apache.org/jira/browse/CALCITE-5672?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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jackylau closed CALCITE-5672.
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Resolution: Duplicate
> cast type with nullable result it not true
> ------------------------------------------
>
> Key: CALCITE-5672
> URL: https://issues.apache.org/jira/browse/CALCITE-5672
> Project: Calcite
> Issue Type: Improvement
> Affects Versions: 1.34.0
> Reporter: jackylau
> Priority: Major
>
> {code:java}
> // code placeholder
> sql("select cast(array[1,null,2] as int array) from (values (1))")
> .columnType("INTEGER NOT NULL ARRAY NOT NULL"); {code}
> it should be INTEGER ARRAY NOT NULL, the nullable constraint is table level,
> the expr's nullable property should not change
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