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From abdullah alamoudi <>
Subject Re: About null values in secondary index
Date Sun, 27 May 2018 18:40:18 GMT
I think that this would be a bug if that was the case. I am pretty sure at some point, we had
a filter for nulls.


> On May 26, 2018, at 5:25 AM, Chen Luo <> wrote:
> Hi devs,
> I've a question about null values in secondary index. I've assumed that
> null values are simply excluded from the secondary index. For example, if I
> build a secondary index on Name, then a record with Name being null would
> not be indexed. I also saw in IntroduceSecondaryIndexInsertDeleteRule we
> created some filtering expression to filter out null secondary values.
> However, when we bulkload a dataset, this filtering expression is never
> executed when loading a secondary index, which implies all null values are
> added to the secondary index. Is it safe to assume this is a bug?
> Best regards,
> Chen Luo

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