thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-24 08:32:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

Better

Browse Source
This commit is contained in:
Robert Schulze 2024-10-14 17:38:11 +00:00
parent 395ad883af
commit d8ea2198b7
No known key found for this signature in database
GPG Key ID: 26703B55FB13728A
2 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
contrib/usearch vendored

@ -1 +1 @@
Subproject commit d1d33eac94acd3b628e0b446c927ec3295ef63c7 Subproject commit 1706420acafbd83d852c512dcf343af0a4059e48

3
docs/en/engines/table-engines/mergetree-family/annindexes.md
View File

@ -139,7 +139,8 @@ clickhouse-client --param_vec='hello' --query="SELECT * FROM table WHERE L2Dista
::: :::
To search using a different value of HNSW parameter `hnsw_candidate_list_size_for_search` (default: 64), also known as `ef_search` in the To search using a different value of HNSW parameter `hnsw_candidate_list_size_for_search` (default: 64), also known as `ef_search` in the
original [HNSW paper](https://doi.org/10.1109/TPAMI.2018.2889473), with `SETTINGS hnsw_candidate_list_size_for_search = <value>`. original [HNSW paper](https://doi.org/10.1109/TPAMI.2018.2889473), run the `SELECT` query with `SETTINGS hnsw_candidate_list_size_for_search
= <value>`.
**Restrictions**: Approximate algorithms used to determine the nearest neighbors require a limit, hence queries without `LIMIT` clause **Restrictions**: Approximate algorithms used to determine the nearest neighbors require a limit, hence queries without `LIMIT` clause
cannot utilize ANN indexes. Also, ANN indexes are only used if the query has a `LIMIT` value smaller than setting cannot utilize ANN indexes. Also, ANN indexes are only used if the query has a `LIMIT` value smaller than setting