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HeightBefore should return error if there's no such height #131

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zjshen14 opened this issue Oct 15, 2019 · 0 comments
Open

HeightBefore should return error if there's no such height #131

zjshen14 opened this issue Oct 15, 2019 · 0 comments

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@zjshen14
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Currently, the query SELECT MAX(height) FROM %s WHERE ? >= time AND EXISTS (SELECT * FROM %s WHERE ? <= time) will return one row with value NULL if no such rows match the predicates. And NULL is taken as 0, which confuse the consumer of the this api
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