schedoc

在Django与DBT之间通过注释文档交换元数据

概览

扩展包名版本分类许可证语言
pg_schedoc0.0.1UTILGPL-3.0SQL
ID扩展名BinLibLoadCreateTrustReloc模式
4330schedoc-
相关扩展ddl_historization pg_readme_test_extension pg_readme gzip bzip zstd http pg_net pg_curl

版本

类型仓库版本PG 大版本包名依赖
EXTPIGSTY0.0.11817161514pg_schedocddl_historization
RPMPIGSTY0.0.11817161514pg_schedoc_$vddl_historization_$v
DEBPIGSTY0.0.11817161514postgresql-$v-pg-schedocpostgresql-$v-ddl-historization
OS / PGPG18PG17PG16PG15PG14
el8.x86_64
el8.aarch64
el9.x86_64
el9.aarch64
el10.x86_64
el10.aarch64
d12.x86_64
d12.aarch64
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
d13.x86_64
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
d13.aarch64
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
u22.x86_64
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
u22.aarch64
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
u24.x86_64
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
u24.aarch64
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1

构建

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

pig build pkg pg_schedoc         # 构建 RPM / DEB 包

安装

您可以直接安装 pg_schedoc 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_schedoc;          # 当前活跃 PG 版本安装
pig ext install -y pg_schedoc -v 18  # PG 18
pig ext install -y pg_schedoc -v 17  # PG 17
pig ext install -y pg_schedoc -v 16  # PG 16
pig ext install -y pg_schedoc -v 15  # PG 15
pig ext install -y pg_schedoc -v 14  # PG 14
dnf install -y pg_schedoc_18       # PG 18
dnf install -y pg_schedoc_17       # PG 17
dnf install -y pg_schedoc_16       # PG 16
dnf install -y pg_schedoc_15       # PG 15
dnf install -y pg_schedoc_14       # PG 14
apt install -y postgresql-18-pg-schedoc   # PG 18
apt install -y postgresql-17-pg-schedoc   # PG 17
apt install -y postgresql-16-pg-schedoc   # PG 16
apt install -y postgresql-15-pg-schedoc   # PG 15
apt install -y postgresql-14-pg-schedoc   # PG 14

创建扩展

CREATE EXTENSION schedoc CASCADE;  -- 依赖: ddl_historization

用法

schedoc: 通过 PostgreSQL 对象的 COMMENT 实现模式文档化

从 PostgreSQL 对象的 COMMENT 构建自动文档。需要 ddl_historization 扩展。

安装

CREATE EXTENSION schedoc CASCADE;
SELECT schedoc_start();

添加列文档

以 JSON 格式在列上设置注释,包含预定义字段:

COMMENT ON COLUMN my_table.id IS '{"status": "private"}';
COMMENT ON COLUMN my_table.email IS '{"status": "public"}';
COMMENT ON COLUMN my_table.name IS '{"status": "internal"}';

查询文档

查询已解析的列注释:

SELECT * FROM schedoc_column_comments;

结果:

 databasename | tablename | columnname | status
--------------+-----------+------------+---------
 mydb         | my_table  | id         | private
 mydb         | my_table  | email      | public
 mydb         | my_table  | name       | internal

使用场景

将列元数据与其他系统(如 Django db_comment、DBT docs)进行交叉引用,在开发人员和数据分析师之间定义数据契约。


最后修改 2026-03-14: update extension metadata (953cbd0)