From 02001343971412fef0f2ad8adf04bd6ac7b29d1f Mon Sep 17 00:00:00 2001
From: Andrew Kane <andrew@ankane.org>
Date: Sun, 28 May 2023 12:14:10 -0700
Subject: [PATCH] Added note about hybrid search [skip ci]

---
 README.md | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/README.md b/README.md
index d10d750..df17c4f 100644
--- a/README.md
+++ b/README.md
@@ -250,6 +250,16 @@ Use [partitioning](https://www.postgresql.org/docs/current/ddl-partitioning.html
 CREATE TABLE items (embedding vector(3), category_id int) PARTITION BY LIST(category_id);
 ```
 
+## Hybrid Search
+
+Use together with Postgres [full-text search](https://www.postgresql.org/docs/current/textsearch-intro.html) for hybrid search.
+
+```sql
+SELECT id, ts_rank_cd(textsearch, query) AS rank
+    FROM items, to_tsquery('hello & search') query
+    WHERE textsearch @@ query ORDER BY rank DESC LIMIT 5;
+```
+
 ## Performance
 
 Use `EXPLAIN ANALYZE` to debug performance.