orhankislal opened a new pull request #427: KNN: Add distances to the output table URL: https://github.com/apache/madlib/pull/427 This commit adds a new column to the output table to expose the distances for the nearest neighbors. This column shows up only when the user actually requests nearest neighbors. In addition, this commit adds a safeguard for the distances. We get the absolute value of the distance function output in case some floating point operations cause the distance function to return a negative value.
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