# ERMaster

**Repository Path**: thinkgem/ermasterr

## Basic Information

- **Project Name**: ERMaster
- **Description**: ER Master 是一个用于设计ER模型图的Eclipse插件。提供的功能包括：从数据库导入关系生成ER图，导出设计图，导出DDL数据定义语句等。目前完整支持的数据库包括 MySQL、PostgreSQL、Oracle、SQLServer、DB2等。
- **Primary Language**: Unknown
- **License**: Apache-2.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 36
- **Forks**: 13
- **Created**: 2019-04-25
- **Last Updated**: 2025-06-09

## Categories & Tags

**Categories**: eclipse-plugins

**Tags**: None

## README

# ERMaster

A fork of ERMaster. Faster, Better, VCS-friendly.

Original version is http://ermaster.sourceforge.net  

> ERMaster is GUI editor for ER diagram.  
> It runs as Eclipse plug-in.  
> It can be done graphically to making ER diagram, printing ER diagram, exporting the DDL from ER diagram, etc. .  
> Moreover, importing from DB, management of the group, and the historical management, etc. are supported.  

# Install

1. Install Eclipse 
 
Package: `Eclipse IDE for Java Developers`

2. Install PDE plug-in  

Plug-in name: `Eclipse PDE Plug-in Developer Resources`

3. Install ermasterr 
 
Update Site:

`https://thinkgem.github.io/ermasterr/updatesite`

or

Copy the contents of the [org.insightech.er_x.y.z.jar](https://gitee.com/thinkgem/ermasterr/tree/master/updatesite/plugins) latest version to the dropins folder located in the root of your Eclipse installation.

Directory tree example:

```
your_eclipse_install_dir/
└── dropins/
    └── ermasterr/
        └── eclipse/
            └── plugins/
                └── org.insightech.er_x.y.z.jar
```

or put jar file to dropins directly.

```
your_eclipse_install_dir/
└── dropins/
    └── org.insightech.er_x.y.z.jar
```

# Features

## Faster

* ermasterr prevented a increase of the drawing time by getting rid of tabs of each category and skipping expensive initialization for each category.

## Better

* ermasterr has fixed the issue that erdiagram data file size becomes gigantic in sometimes by writing a large amount of same xml tags. (https://sourceforge.net/p/ermaster/bugs/119/)

## VCS-friendly

* ermasterr can write git-mergable erdiagram data as far as possible. (https://sourceforge.net/p/ermaster/feature-requests/104/)

# Release

1. Open file `/META-INF/MAINIFEST.MF` Mobify Version.
2. File -> Export -> Plug-in Development -> Deployable plug-ins and fragments -> Select org.insightech.er.
3. Open file `/features/feature.xml` Mobify Version and update upgrade info.
4. File -> Export -> Plug-in Development -> Deployable features.
5. Open `/updatesite/site.xml` -> Add Feature new version and right-click Remove old version and update upgrade info.


# License

Apache License V2.0