https://github.com/kaifuny/easy-jpa

Java Persistence on Query By Example 【Lambda表达式使用】
https://github.com/kaifuny/easy-jpa

java jpa query spring-data-jpa

Last synced: 18 days ago
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Java Persistence on Query By Example 【Lambda表达式使用】

• Host: GitHub
• URL: https://github.com/kaifuny/easy-jpa
• Owner: Kaifuny
• License: mit
• Created: 2016-11-24T05:15:36.000Z (about 8 years ago)
• Default Branch: master
• Last Pushed: 2018-06-25T06:25:45.000Z (over 6 years ago)
• Last Synced: 2024-10-19T08:18:49.558Z (2 months ago)
• Topics: java, jpa, query, spring-data-jpa
• Language: Java
• Homepage:
• Size: 58.6 KB
• Stars: 2
• Watchers: 1
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# easy-jpa

Java Persistence API(JPA) on Query By Example(QBE)  

**Base on Spring Data JPA**  

# Version

**0.0.1**

## Next Version

* distinct support

* math support

# Features

* Support and/or logic operation

* Support is(Empty/Boolean/Null)

* Support Equal/NotEqual/In/NotIn/Like/NotLike

* Support gt/ge/lt/le/between

* Support group by

* Support custom specification.

* Support pagination  

    **more features coming soon**

# Java Version

```

 jdk build 1.8 or later

```

# How to Use

```java

    @Resource

    UserReponsitory userReponsitory;

    

    /*

    SQL:

        select * from

            user 

        where

            id=1 

            or id=2 

        group by  

            id,  

            name   

        order by  

            id asc,

            name asc 

        limit ?

    */

    public List findAll(){

        Example example = ExampleBuilder.create();

        example.or()

                .andEqual("id", 1)

                .orEqual("id", 2);

        example.groupBy("id","name");

        example.asc("id","name");

        return userReponsitory.findAll(example, new PageRequest(0, 1));

    }

```

# How to Dev

* Test

```

 mvn test

```

* Package

```

 mvn clean

 mvn package

```