Hi, When sql contains filter: 'is null'/'is not null', the filter will not be push down to coprocessor, because the CompareTupleFilter.isEvaluable() method return false, is it by design or just a bug?
related code is here: https://github.com/apache/kylin/blob/master/core-metadata/src/main/java/org/apache/kylin/metadata/filter/CompareTupleFilter.java#L216 -- View this message in context: http://apache-kylin.74782.x6.nabble.com/Why-is-null-is-not-evaluable-tp7796.html Sent from the Apache Kylin mailing list archive at Nabble.com.
