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A lightweight Object Relational Mapper for Go

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# Orange [![GoDoc](https://godoc.org/github.com/gernest/orange?status.svg)](https://godoc.org/github.com/gernest/orange)[![Coverage Status](https://coveralls.io/repos/github/gernest/orange/badge.svg?branch=master)](https://coveralls.io/github/gernest/orange?branch=master)
[![Build Status](https://travis-ci.org/gernest/orange.svg?branch=master)](https://travis-ci.org/gernest/orange)

Orange is a lightweight, simple Object relational Mapper for Golang. Orange offers a simple API for building meaningful database queries, and good abstractions on top of standard database/sq

Orange is inspired by [gorm](https://github.com/jinzhu/gorm)
# Features
* Simple API 
* Fast
* Auto migrations
* Multiple database support( currently only postgresql but mysql and sqlite are
work in progress)
* Zero dependency( only the standard library)
* Simple SQL query building API

# Motivation
This is my understanding of Object Relational Mapping with Golang. Instead of
writing a blog post, I took the liberty to implement `orange`. It has almost all
the things you might need to interact with databases with Golang.

The source code is geared toward people who want to harness the power of Go.
There is a lot of myths around reflections in Go, I have almost used all the
techniques you will need to master reflections.

THIS IS NOT FOR PRODUCTION USE, unless you know what you are doing in which case
your contribution is welcome.

# Installation

```bash
go get github.com/gernest/orange
```

# Usage

The following is a simple example to showcase the power of orange, for
comprehensive API please check [ The Orange Documentation](https://godoc.org/github.com/gernest/orange)

```go
package orange_test

import (
	"fmt"

"github.com/gernest/orange"

// Include the driver for your database
	_ "github.com/lib/pq"
)

type golangster struct {
	ID   int64
	Name string
}

func Example() {

// Open a database connection
	connectionSTring := "user=postgres dbname=orange_test sslmode=disable"
	db, err := orange.Open("postgres", connectionSTring)
	if err != nil {
		panic(err)
	}

// Register the structs that you want to map to
	err := db.Register(&golangster{})
	if err != nil {
		panic(err)
	}

// Do database migrations( tables will be created if they dont exist
	err = db.Automigrate()
	if err != nil {
		panic(err)
	}

// Make sure we are connected to the database we want
	name := db.CurrentDatabase()
	fmt.Println(name) // on my case it is orange_test

// Insert a new record into the database
	err = db.Create(&golangster{Name: "hello"})
	if err != nil {
		panic(err)
	}

// count the number of records
	var count int
	db.Count("*").Bind(&count)
	fmt.Println(count) // in my case 1

// Retrieve a a record with name hello
	result := golangster{}
	db.Find(&result, &golangster{Name: "hello"})
	fmt.Println(result) // on my case { 1, "hello"}

}
```

# TODO list
These  are some of the  things I will hope to add when I get time
* Delete record
* Support mysql
* support sqlite
* more comprehensive tests
* improve perfomace
* talk about orange

# Contributing

Contributions of all kinds are welcome

# Author
Geofrey  Ernest 
[twitter @gernesti](https://twitter.com/gernesti)

# Licence
MIT see [LICENCE](LICENCE)

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