pg_similarity

提供17种距离度量函数

概览

扩展包名版本分类许可证语言
pg_similarity1.0RAGBSD 3-ClauseC
ID扩展名BinLibLoadCreateTrustReloc模式
1840pg_similarity-
相关扩展vector smlar fuzzystrmatch pg_trgm vchord pg_bigm citext unaccent

版本

类型仓库版本PG 大版本包名依赖
EXTMIXED1.01817161514pg_similarity-
RPMPIGSTY1.01817161514pg_similarity_$v-
DEBPGDG1.01817161514postgresql-$v-similarity-
OS / PGPG18PG17PG16PG15PG14
el8.x86_64
el8.aarch64
PIGSTY 1.0
PIGSTY 1.0
PIGSTY 1.0
PIGSTY 1.0
el9.x86_64
el9.aarch64
PIGSTY 1.0
PIGSTY 1.0
PIGSTY 1.0
PIGSTY 1.0
el10.x86_64
el10.aarch64
d12.x86_64
PGDG 1.0
PGDG 1.0
PGDG 1.0
PGDG 1.0
PGDG 1.0
d12.aarch64
PGDG 1.0
PGDG 1.0
PGDG 1.0
PGDG 1.0
PGDG 1.0
d13.x86_64
PGDG 1.0
PGDG 1.0
PGDG 1.0
PGDG 1.0
PGDG 1.0
d13.aarch64
PGDG 1.0
PGDG 1.0
PGDG 1.0
PGDG 1.0
PGDG 1.0
u22.x86_64
PGDG 1.0
PGDG 1.0
PGDG 1.0
PGDG 1.0
PGDG 1.0
u22.aarch64
PGDG 1.0
PGDG 1.0
PGDG 1.0
PGDG 1.0
PGDG 1.0
u24.x86_64
PGDG 1.0
PGDG 1.0
PGDG 1.0
PGDG 1.0
PGDG 1.0
u24.aarch64
PGDG 1.0
PGDG 1.0
PGDG 1.0
PGDG 1.0
PGDG 1.0

构建

您可以使用 pig build 命令构建 pg_similarity 扩展的 RPM 包:

pig build pkg pg_similarity         # 构建 RPM 包

安装

您可以直接安装 pg_similarity 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 pg_similarity;          # 当前活跃 PG 版本安装
pig ext install -y pg_similarity -v 18  # PG 18
pig ext install -y pg_similarity -v 17  # PG 17
pig ext install -y pg_similarity -v 16  # PG 16
pig ext install -y pg_similarity -v 15  # PG 15
pig ext install -y pg_similarity -v 14  # PG 14
dnf install -y pg_similarity_18       # PG 18
dnf install -y pg_similarity_17       # PG 17
dnf install -y pg_similarity_16       # PG 16
dnf install -y pg_similarity_15       # PG 15
dnf install -y pg_similarity_14       # PG 14
apt install -y postgresql-18-similarity   # PG 18
apt install -y postgresql-17-similarity   # PG 17
apt install -y postgresql-16-similarity   # PG 16
apt install -y postgresql-15-similarity   # PG 15
apt install -y postgresql-14-similarity   # PG 14

创建扩展

CREATE EXTENSION pg_similarity;

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