更新 部署PGSQL.md
This commit is contained in:
153
部署PGSQL.md
Normal file
153
部署PGSQL.md
Normal file
@@ -0,0 +1,153 @@
|
||||
## 目录结构
|
||||
|
||||
- pgsql-gis/
|
||||
- docker-compose.yaml
|
||||
|
||||
```shell
|
||||
mkdir pgsql-gis
|
||||
```
|
||||
|
||||
## docker-compose.yaml
|
||||
|
||||
```yaml
|
||||
version: '3.8'
|
||||
services:
|
||||
pgsql-gis-16:
|
||||
# 支持全文检索的自编译镜像
|
||||
image: pgsql-gis-fts:latest
|
||||
container_name: pgsql-gis-16
|
||||
ports:
|
||||
- "35430:5432" # 替换
|
||||
volumes:
|
||||
- ./pgsql-gis:/var/lib/postgresql/data
|
||||
environment:
|
||||
POSTGRES_USER: # 替换
|
||||
POSTGRES_PASSWORD: # 替换
|
||||
POSTGRES_DB: # 替换
|
||||
POSTGRES_INITDB_ARGS: --encoding=UTF8
|
||||
restart: on-failure:3
|
||||
```
|
||||
|
||||
## 添加全文索引支持
|
||||
|
||||
需要从 git 克隆 zhparser 添加中文分词支持,执行 docker build 命令的目录结构长这样:
|
||||
|
||||
- Dockerfile
|
||||
- zhparser/
|
||||
|
||||
```bash
|
||||
git clone https://github.com/amutu/zhparser.git
|
||||
```
|
||||
|
||||
## Dockerfile
|
||||
|
||||
```bash
|
||||
FROM swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/postgis/postgis:16-3.5
|
||||
|
||||
ENV DEBIAN_FRONTEND=noninteractive
|
||||
|
||||
RUN sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list && \
|
||||
sed -i 's/security.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list
|
||||
|
||||
RUN apt-get update && apt-get install -y \
|
||||
build-essential \
|
||||
git \
|
||||
libcurl4-openssl-dev \
|
||||
libxml2-dev \
|
||||
wget \
|
||||
postgresql-server-dev-16 \
|
||||
&& rm -rf /var/lib/apt/lists/*
|
||||
|
||||
RUN pg_config --version
|
||||
|
||||
WORKDIR /tmp
|
||||
|
||||
RUN wget http://www.xunsearch.com/scws/down/scws-1.2.3.tar.bz2 \
|
||||
&& tar xjf scws-1.2.3.tar.bz2 \
|
||||
&& cd scws-1.2.3 \
|
||||
&& ./configure \
|
||||
&& make && make install \
|
||||
&& cd ..
|
||||
|
||||
COPY zhparser zhparser
|
||||
|
||||
RUN cd zhparser \
|
||||
&& export PG_CONFIG=$(which pg_config) \
|
||||
&& echo "Using pg_config: $PG_CONFIG" \
|
||||
&& make USE_PGXS=1 \
|
||||
&& make USE_PGXS=1 install \
|
||||
&& cd ..
|
||||
|
||||
RUN rm -rf /tmp/*
|
||||
|
||||
WORKDIR /
|
||||
```
|
||||
|
||||
## 编译
|
||||
|
||||
```bash
|
||||
docker build -t pgsql-gis-fts .
|
||||
```
|
||||
|
||||
## 启用中文分词扩展
|
||||
|
||||
```sql
|
||||
CREATE EXTENSION IF NOT EXISTS zhparser;
|
||||
```
|
||||
|
||||
```sql
|
||||
CREATE TEXT SEARCH CONFIGURATION chinese_mix (PARSER = zhparser);
|
||||
-- DROP TEXT SEARCH CONFIGURATION IF EXISTS chinese_mix;
|
||||
```
|
||||
|
||||
```sql
|
||||
ALTER TEXT SEARCH CONFIGURATION chinese_mix ADD MAPPING FOR n,v,a,i,e,l,d,j,m,q,r,t,u,w,x,z WITH simple;
|
||||
```
|
||||
|
||||
## 测试
|
||||
|
||||
```sql
|
||||
CREATE TABLE articles (
|
||||
id SERIAL PRIMARY KEY,
|
||||
title TEXT,
|
||||
content TEXT,
|
||||
-- 生成列:自动维护 tsvector,避免每次查询都计算,提高性能
|
||||
content_tsvector TSVECTOR GENERATED ALWAYS AS (to_tsvector('chinese_mix', content)) STORED
|
||||
);
|
||||
```
|
||||
|
||||
```sql
|
||||
-- 插入一些混合数据
|
||||
INSERT INTO articles (title, content) VALUES
|
||||
('AI 技术展望', '人工智能 (AI) 正在改变世界,PostgreSQL 是存储这些数据的首选数据库。'),
|
||||
('PostgreSQL 16 新特性', 'PostgreSQL 16 带来了更好的性能,支持 JSON 增强和中文分词优化。'),
|
||||
('日常开发笔记', 'Today I learned about zhparser. 它让中文搜索变得很简单。');
|
||||
```
|
||||
|
||||
```sql
|
||||
-- 搜索包含 "人工智能" 的文章
|
||||
SELECT title, content
|
||||
FROM articles
|
||||
WHERE content_tsvector @@ to_tsquery('chinese_mix', '人工智能');
|
||||
```
|
||||
|
||||
```sql
|
||||
-- 搜索包含 "PostgreSQL" 的文章
|
||||
SELECT title, content
|
||||
FROM articles
|
||||
WHERE content_tsvector @@ to_tsquery('chinese_mix', 'PostgreSQL');
|
||||
```
|
||||
|
||||
```sql
|
||||
-- 搜索既包含 "数据库" 又包含 "PostgreSQL" 的文章
|
||||
SELECT title, content
|
||||
FROM articles
|
||||
WHERE content_tsvector @@ to_tsquery('chinese_mix', '数据库 & PostgreSQL');
|
||||
```
|
||||
|
||||
```sql
|
||||
-- 搜索包含 "AI" 或者 "改变" 的文章
|
||||
SELECT title, content
|
||||
FROM articles
|
||||
WHERE content_tsvector @@ to_tsquery('chinese_mix', 'AI | 改变');
|
||||
```
|
||||
Reference in New Issue
Block a user