clintropolis commented on a change in pull request #8566: Upgrade Calcite to
1.21
URL: https://github.com/apache/incubator-druid/pull/8566#discussion_r332781707
##########
File path:
sql/src/test/java/org/apache/druid/sql/calcite/util/CalciteTests.java
##########
@@ -814,4 +815,19 @@ public static SystemSchema createMockSystemSchema(
);
return schema;
}
+
+ /**
+ * Some Calcite exceptions (such as that thrown by
+ * {@link
org.apache.druid.sql.calcite.CalciteQueryTest#testCountStarWithTimeFilterUsingStringLiteralsInvalid)},
+ * are structured as a chain of RuntimeExceptions caused by
InvocationTargetExceptions. To get the root exception
+ * it is necessary to make getTargetException calls on the
InvocationTargetExceptions.
+ */
+ public static Throwable
getRootCauseFromInvocationTargetExceptionChain(Throwable t)
Review comment:
:+1:
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