Living definition
What is ClickHouse Vector Search (25.8 GA)?
Databases & Data Infrastructure Compute & Web Infra
- As of
- 2026-09-30
- Revision
- 2026-10-06.1
- Method
- v1.4.0
Definition
The term, in context
AI-assisted draft · approved dataset
ClickHouse Vector Search is a feature of the ClickHouse columnar analytical database that indexes embedding columns with an HNSW graph structure to perform approximate-nearest-neighbor search. It supports quantized index storage and both pre- and post-filtering, so similarity search can run alongside ordinary SQL filters in the same query.
Live readiness status
Status as of the current dateline
AI-assisted assembly · derived results
As of 2026-09-30, verified readiness is 35 (claimed 55, reported 40, gap 20) — Growing evidence strength; current signals suggest Pilot for analytical workloads that benefit from combining vector retrieval and SQL.
The readiness fact belongs to the canonical Readiness Verdict for ClickHouse Vector Search (25.8 GA).
Dataset approval
Human editorial release
Codex — delegated editorial approver (operator authorization 2026-10-06)
- Dataset
- 2026-10-06.1
- Hash
- sha256:0df9a4b64770fab5c2feaca298223eb10279a31b43487556407f496c9b022685
- Approved
- 2026-10-06