Bubba DB - graph database, developed with Go programming language

Project is developed as an assignment for Advanced Databases course in Innopolis University

DB Storage structure

Node storage:

Relationship storage:

Property storage:

Requirements

Apple macOS: Install Go

Microsoft Windows: Install Go

Linux: Install Go

Installation

$ git clone https://github.com/KKhanda/graph-db.git

Building and running the application

$ go build ./cmd/graph-db/
$ ./graph-db

Running tests

$ go test ./... -cover

API description

Example of API usage is attached in "main.go" file.

API calls are described in package "/api" in "storage-controller.go" file:

• api.CreateDatabase - takes two parameters: database title and db mode ("local", "distributed")
• api.SwitchDatabase - parameter is database title. Switches only if database exist.
• api.DropDatabase - parameter is database title. Drops database if it exists.
• api.CreateNode - parameter is title/label of node. Creates new node and writes it into database.
• api.CreateRelationship - takes three parameters: pointer on two nodes, which are in relationships and title of relationship. Method created a new relationship for two nodes.
• api.CreatePropertyForNode - takes four parameters: pointer on node, title of property, type of property value and value itself. Value type could be the following: 0 - integer, 1 - double, 2 - string. Method creates a property for a given node.
• api.CreatePropertyForRelationship - same parameters as in previous method. Creates a property for given relationship.
• api.GetNode - parameter is id of searched node. Returns pointer on node, which is searched by id.
• api.DeleteNode - parameter is id of node, which should be deleted. Sets node as deleted in database.