paul-rogers commented on a change in pull request #2259:
URL: https://github.com/apache/drill/pull/2259#discussion_r654629939
##########
File path:
exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestAggregateFunctions.java
##########
@@ -1239,4 +1239,17 @@ public void testInjectVariablesHashAgg() throws
Exception {
client.resetSession(PlannerSettings.STREAMAGG.getOptionName());
}
}
+
+ @Test //DRILL-7931
+ public void testRowTypeMissMatch() throws Exception {
+ testBuilder()
+ .sqlQuery("select col1, stddev(col2) as g1, SUM(col2) as g2 FROM " +
+ "(values ('UA', 3), ('USA', 2), ('UA', 3), ('USA', 5), ('USA', 1), " +
+ "('UA', 9)) t(col1, col2) GROUP BY col1 order by col1")
+ .ordered()
+ .baselineColumns("col1", "g1", "g2")
+ .baselineValues("UA", 3.4641016151377544, 15L)
+ .baselineValues("USA", 2.0816659994661326, 8L)
Review comment:
Thanks for providing a test! The floating point value is likely
unstable: it might differ in the last few digits on different systems. I
suggest using a function to round the value to, say, four or five (or whatever)
decimals to avoid floating point "noise."
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