Merge pull request #255 from maylad31/main

Improving Postgres keyword search to avoid zero results(PgvectorKeywordRetriever)

Author: bilgeyucel

index.toml

@@ -347,3 +347,10 @@ title = "Agent-Powered Retrieval with Haystack"
 notebook = "agent_powered_retrieval.ipynb"
 topics = ["Agents", "Advanced Retrieval", "Metadata"]
 new = true
+
+
+[[cookbook]]
+title = "Improving PostgreSQL Keyword Search to Avoid Empty Results"
+notebook = "improving_pgvector_keyword_search.ipynb"
+topics = ["Advanced Retrieval", "Customization"]
+new = true