extend SimpleBlueprint: add createFilterSearch that tags iterator

2 files changed, 13 insertions, 0 deletions

diff --git a/searchlib/src/vespa/searchlib/queryeval/leaf_blueprints.cpp b/searchlib/src/vespa/searchlib/queryeval/leaf_blueprints.cpp
index 94cec9a63c5..e605f36c87f 100644
--- a/searchlib/src/vespa/searchlib/queryeval/leaf_blueprints.cpp
+++ b/searchlib/src/vespa/searchlib/queryeval/leaf_blueprints.cpp
@@ -42,6 +42,17 @@ SimpleBlueprint::createLeafSearch(const search::fef::TermFieldMatchDataArray &,
     return search;
 }
 
+SearchIterator::UP
+SimpleBlueprint::createFilterSearch(bool strict, FilterConstraint constraint) const
+{
+    SimpleSearch *ss = new SimpleSearch(_result);
+    SearchIterator::UP search(ss);
+    ss->tag(_tag +
+            (strict ? "<strict," : "<nostrict,") +
+            (constraint == FilterConstraint::UPPER_BOUND ? "upper>" : "lower>"));
+    return search;
+}
+
 SimpleBlueprint::SimpleBlueprint(const SimpleResult &result)
     : SimpleLeafBlueprint(FieldSpecBaseList()),
       _tag(),
diff --git a/searchlib/src/vespa/searchlib/queryeval/leaf_blueprints.h b/searchlib/src/vespa/searchlib/queryeval/leaf_blueprints.h
index 2dc2d938bb6..b99be4a9353 100644
--- a/searchlib/src/vespa/searchlib/queryeval/leaf_blueprints.h
+++ b/searchlib/src/vespa/searchlib/queryeval/leaf_blueprints.h
@@ -34,6 +34,8 @@ private:
 protected:
     SearchIterator::UP
     createLeafSearch(const search::fef::TermFieldMatchDataArray &tfmda, bool strict) const override;
+    SearchIterator::UP
+    createFilterSearch(bool strict, FilterConstraint constraint) const override;
 
 public:
     SimpleBlueprint(const SimpleResult &result);