http
HTTP客户端,允许在数据库内收发HTTP请求 (supabase)
Module:
Categories:
扩展总览
PGDG 第一方扩展: pg_http
: HTTP客户端,允许在数据库内收发HTTP请求 (supabase)
基本信息
- 扩展编号: 4070
- 扩展名称:
http
- 标准包名:
pg_http
- 扩展类目:
UTIL
- 开源协议: MIT
- 官方网站: https://github.com/pramsey/pgsql-http
- 编程语言: C
- 其他标签:
supabase
- 备注信息: 无
元数据
- 默认版本: 1.6.3
- PG大版本:
17
,16
,15
,14
,13
- 动态加载: 无需动态加载
- 需要DDL: 需要执行
CREATE EXTENSION
DDL - 可重定位: 未知
- 信任程度: 未受信任,创建扩展需要超级用户权限
- 所需模式: 无
- 所需扩展: 无
软件包
- RPM仓库:PGDG
- RPM包名:
pgsql_http_$v*
- RPM版本:
1.6.3
- RPM依赖:无
- DEB仓库:PGDG
- DEB包名:
postgresql-$v-http
- DEB版本:
1.6.3
- DEB依赖:无
最新版本
扩展安装
使用 pig
命令行工具安装 pg_http
扩展:
pig ext install pg_http; # 扩展名称
pig ext install http; # 标准包名
使用 Pigsty剧本 安装 pg_http 扩展:
./pgsql.yml -t pg_extension -e '{"pg_extensions": ["pg_http"]}' # -l <集群名>
dnf install pgsql_http_17*;
dnf install pgsql_http_16*;
dnf install pgsql_http_15*;
dnf install pgsql_http_14*;
dnf install pgsql_http_13*;
apt install postgresql-17-http;
apt install postgresql-16-http;
apt install postgresql-15-http;
apt install postgresql-14-http;
apt install postgresql-13-http;
使用以下 SQL 命令在已经安装此扩展插件的 PG 集群上 启用 http
扩展:
CREATE EXTENSION http;
使用方法
https://github.com/pramsey/pgsql-http
请求与响应的模式:
Composite type "public.http_request"
Column | Type | Modifiers
--------------+-------------------+-----------
method | http_method |
uri | character varying |
headers | http_header[] |
content_type | character varying |
content | character varying |
Composite type "public.http_response"
Column | Type | Modifiers
--------------+-------------------+-----------
status | integer |
content_type | character varying |
headers | http_header[] |
content | character varying |
例子
Sending HTTP GET requests with SQL
CREATE EXTENSION http;
-- get content
SELECT content FROM http_get('http://httpbun.com/');
-- get status and content_type
SELECT status, content_type FROM http_get('http://httpbun.com/');
-- status | content_type
-- --------+--------------------------
-- 200 | text/html; charset=utf-8
-- get headers
SELECT (unnest(headers)).* FROM http_get('http://httpbun.com/');
-- field | value
-- ---------------------------+--------------------------------------------------
-- Location | https://httpbun.com/
-- Date | Mon, 04 Nov 2024 09:00:36 GMT
-- Content-Length | 0
-- Connection | close
-- alt-svc | h3=":443"; ma=2592000
-- content-security-policy | frame-ancestors 'none'
-- content-type | text/html
-- date | Mon, 04 Nov 2024 09:00:37 GMT
-- strict-transport-security | max-age=31536000; includeSubDomains; preload
-- x-content-type-options | nosniff
-- x-powered-by | httpbun/af040d24038613575a85f74c2283ae79f8169927
-- (11 rows)
SELECT status, content::json->'form' AS form FROM http_post('http://httpbun.com/post', jsonb_build_object('myvar','myval','foo','bar'));
Issue http put requests:
SELECT status, content_type, content::json->>'data' AS data
FROM http_put('http://httpbun.com/put', 'some text', 'text/plain');
-- status | content_type | data
-- --------+------------------+-----------
-- 200 | application/json | some text
Issue http post request: