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Updated readme [skip ci]

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Andrew Kane
2024-10-28 22:26:50 -07:00
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README.md
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@@ -463,15 +463,13 @@ Starting with 0.8.0, you can enable [iterative index scans](#iterative-index-sca
SET hnsw.iterative_scan = strict_order;
```
You can also create separate approximate indexes for each condition value (or groups of values).
If filtering by a few distinct values, use [partial indexing](https://www.postgresql.org/docs/current/indexes-partial.html).
If filtering by only a few distinct values, consider [partial indexing](https://www.postgresql.org/docs/current/indexes-partial.html).
```sql
CREATE INDEX ON items USING hnsw (embedding vector_l2_ops) WHERE (category_id = 123);
```
If filtering by many different values, use [partitioning](https://www.postgresql.org/docs/current/ddl-partitioning.html).
If filtering by many different values, consider [partitioning](https://www.postgresql.org/docs/current/ddl-partitioning.html).
```sql
CREATE TABLE items (embedding vector(3), category_id int) PARTITION BY LIST(category_id);