Deliver fast and accurate semantic search

# Hybrid venue search with availability
results = client.query_points(
    collection_name="venues",
    prefetch=[
        Prefetch(query=dense_emb, using="dense", limit=100),
        Prefetch(query=sparse_emb, using="sparse", limit=100),
    ],
    query=FusionQuery(fusion=Fusion.RRF),
    query_filter=Filter(must=[
        FieldCondition("available", match=MatchValue(True)),
        FieldCondition("city", match=MatchValue("Paris")),
        FieldCondition("rating", range=Range(gte=4.0)),
        FieldCondition("price_per_night",
            range=Range(lte=300.0)),
    ]),
    limit=20,
)

# RAG: retrieve review context for AI assistant
review_chunks = client.query_points(
    collection_name="review_chunks",
    prefetch=[
        Prefetch(query=question_emb, using="dense",
            limit=50),
        Prefetch(query=question_sparse, using="sparse",
            limit=50),
    ],
    query=FusionQuery(fusion=Fusion.RRF),
    query_filter=Filter(must=[
        FieldCondition("venue_id",
            match=MatchValue("restaurant_456")),
    ]),
    limit=10,
)

# Feed to LLM with grounded context
context = "\n".join([r.payload["text"]
    for r in review_chunks.points])
answer = llm.generate(
    f"Based on reviews: {context}\n"
    f"Question: {user_question}"
)

# Geo-partitioned collection
client.create_collection(
    "global_venues",
    vectors_config=VectorParams(
        size=1536, distance="Cosine"),
    sharding_method=ShardingMethod.CUSTOM,
)

# Create region shard
client.create_shard_key(
    "global_venues",
    shard_key="europe_west",
)

# Upsert with region routing
client.upsert(
    "global_venues",
    points=[PointStruct(
        id=1,
        vector=venue_embedding,
        payload={
            "region": "europe_west",
            "city": "Barcelona",
            "type": "hotel",
            "available": True,
        },
    )],
    shard_key_selector="europe_west",
)

# Query scoped to region
client.query_points(
    "global_venues",
    query=embedding,
    shard_key_filter=["europe_west"],
    limit=20,
)