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Error when using max() on a left outer joined field #228

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gileswood opened this issue Jul 26, 2022 · 0 comments
Closed

Error when using max() on a left outer joined field #228

gileswood opened this issue Jul 26, 2022 · 0 comments

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@gileswood
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A query of this form fails with "Object reference not set to an instance of an object", probably because y.createdon can be null on a left outer join.

select x.name, max(y.createdon) from x
left outer join y on y.xid=x.id
group by x.name
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@gileswood