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-rw-r--r--searchlib/src/vespa/searchlib/queryeval/leaf_blueprints.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/searchlib/src/vespa/searchlib/queryeval/leaf_blueprints.h b/searchlib/src/vespa/searchlib/queryeval/leaf_blueprints.h
index a95ca0efc72..a1c23649dd6 100644
--- a/searchlib/src/vespa/searchlib/queryeval/leaf_blueprints.h
+++ b/searchlib/src/vespa/searchlib/queryeval/leaf_blueprints.h
@@ -20,6 +20,7 @@ public:
EmptyBlueprint(FieldSpecBase field) : SimpleLeafBlueprint(field) {}
EmptyBlueprint() = default;
SearchIterator::UP createFilterSearch(bool strict, FilterConstraint constraint) const override;
+ EmptyBlueprint *as_empty() noexcept final override { return this; }
};
class AlwaysTrueBlueprint : public SimpleLeafBlueprint