vectorscale

使用DiskANN算法对向量进行高效索引

概览

扩展包名版本分类许可证语言
pgvectorscale0.9.0RAGPostgreSQLRust
ID扩展名BinLibLoadCreateTrustReloc模式
1820vectorscale-
相关扩展vector vchord vectorize pg_summarize pg_tiktoken pg4ml pgml vchord_bm25 pg_similarity

版本

类型仓库版本PG 大版本包名依赖
EXTPIGSTY0.9.01817161514pgvectorscalevector
RPMPIGSTY0.9.01817161514pgvectorscale_$vpgvector_$v
DEBPIGSTY0.9.01817161514postgresql-$v-pgvectorscalepostgresql-$v-pgvector
OS / PGPG18PG17PG16PG15PG14
el8.x86_64
el8.aarch64
el9.x86_64
el9.aarch64
el10.x86_64
el10.aarch64
d12.x86_64
d12.aarch64
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
d13.x86_64
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
d13.aarch64
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
u22.x86_64
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
u22.aarch64
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
u24.x86_64
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
u24.aarch64
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0
PIGSTY 0.9.0

构建

您可以使用 pig build 命令构建 pgvectorscale 扩展的 RPM / DEB 包:

pig build pkg pgvectorscale         # 构建 RPM / DEB 包

安装

您可以直接安装 pgvectorscale 扩展包的预置二进制包,首先确保 PGDGPIGSTY 仓库已经添加并启用:

pig repo add pgsql -u          # 添加仓库并更新缓存

使用 pig 或者是 apt/yum/dnf 安装扩展:

pig install pgvectorscale;          # 当前活跃 PG 版本安装
pig ext install -y pgvectorscale -v 18  # PG 18
pig ext install -y pgvectorscale -v 17  # PG 17
pig ext install -y pgvectorscale -v 16  # PG 16
pig ext install -y pgvectorscale -v 15  # PG 15
pig ext install -y pgvectorscale -v 14  # PG 14
dnf install -y pgvectorscale_18       # PG 18
dnf install -y pgvectorscale_17       # PG 17
dnf install -y pgvectorscale_16       # PG 16
dnf install -y pgvectorscale_15       # PG 15
dnf install -y pgvectorscale_14       # PG 14
apt install -y postgresql-18-pgvectorscale   # PG 18
apt install -y postgresql-17-pgvectorscale   # PG 17
apt install -y postgresql-16-pgvectorscale   # PG 16
apt install -y postgresql-15-pgvectorscale   # PG 15
apt install -y postgresql-14-pgvectorscale   # PG 14

创建扩展

CREATE EXTENSION vectorscale CASCADE;  -- 依赖: vector

用法

CREATE EXTENSION vectorscale CASCADE;

CREATE TABLE IF NOT EXISTS document_embedding  (
    id BIGINT PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY,
    metadata JSONB,
    contents TEXT,
    embedding VECTOR(1536)
);

-- 使用 diskann 索引方法创建向量索引
CREATE INDEX document_embedding_idx ON document_embedding
USING diskann (embedding);

-- 基于向量距离进行近似最近邻查询
SELECT *
FROM document_embedding
ORDER BY embedding <=> $1
LIMIT 10

最后修改 2026-03-08: add extension catalog (baacba6)