Github user sethah commented on a diff in the pull request:
https://github.com/apache/spark/pull/9003#discussion_r42790961
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/QueryTest.scala ---
@@ -168,6 +191,28 @@ object QueryTest {
return None
}
+ /**
+ * Runs the plan and makes sure the answer is within absTol of the
expected result.
+ * @param actualAnswer the actual result in a [[Row]].
+ * @param expectedAnswer the expected result in a[[Row]].
+ * @param absTol the absolute tolerance between actual and expected
answers.
+ */
+ protected def checkAggregatesWithTol(actualAnswer: Row, expectedAnswer:
Row, absTol: Double) = {
--- End diff --
@holdenk Changed name to `checkAggregatesWithTol` and moved to query test.
We can now use this for the various aggregate testing. I think ultimately a
more elegant solution is needed, but this provides a way to add tolerancing for
now.
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