Implement getEstimatedShrinkLidSpaceGain() for LogDataStore.

1 files changed, 1 insertions, 0 deletions

diff --git a/searchcore/src/vespa/searchcore/proton/test/dummy_document_store.h b/searchcore/src/vespa/searchcore/proton/test/dummy_document_store.h
index 86104998d06..9bdec51b519 100644
--- a/searchcore/src/vespa/searchcore/proton/test/dummy_document_store.h
+++ b/searchcore/src/vespa/searchcore/proton/test/dummy_document_store.h
@@ -57,6 +57,7 @@ struct DummyDocumentStore : public search::IDocumentStore
 
     virtual void compactLidSpace(uint32_t wantedDocLidLimit) override { (void) wantedDocLidLimit; }
     virtual bool canShrinkLidSpace() const override { return false; }
+    virtual size_t getEstimatedShrinkLidSpaceGain() const override { return 0; }
     virtual void shrinkLidSpace() override {}
 };