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Critical bug in Kinvey DataStore Aggregation/Grouping

Incorrect grouping of collection by a column that contains both positive and negative numeric values only. Example - a collection titled 'ratings' with column titled 'rating' that can contain one one of the four values -1, 0, 1, 2 would result in incorrect group count. No count is displayed for -1.

@Michael Katz - It appears that issue is caused by recent change in request/response schema from DataStore. In one of my biz logic script scripts I used get _id property in response.body, which is now available elsewhere in the response schema causing my reference id to be null.
Dhruba,



Can you provide reproduction steps? Including a code sample, what you are seeing, and what you expect to see?
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