Isnull() Does Not Return True Value For Late-Binding Views In Amazon Redshift
Published: 10 Sep 2020 Last Modified Date: 18 Sep 2020
ISNULL not detecting nulls when connected live to late-binding Redshift view
You can get around this behavior by using a Custom SQL statement like this Select * From <actual name of the Schema that is being used>
Doing so will produce the correct results for this behavior.
ISNULL not detecting nulls when connected live to late-binding Redshift view. Currently we are unable to return true values when using the ISNull calculated field for latebinding redshift views. This issue is under investigation by Tableau development team.
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