diff --git a/src/Functions/ignore.cpp b/src/Functions/ignore.cpp index 7f78973907e..6b02c3a462d 100644 --- a/src/Functions/ignore.cpp +++ b/src/Functions/ignore.cpp @@ -30,6 +30,10 @@ public: bool useDefaultImplementationForNulls() const override { return false; } + /// We should never return LowCardinality result, cause we declare that result is always constant zero. + /// (in getResultIfAlwaysReturnsConstantAndHasArguments) + bool useDefaultImplementationForLowCardinalityColumns() const override { return false; } + String getName() const override { return name;