immudb-ruby

Ruby client for immudb

Installation

Add this line to your application’s Gemfile:

gem "immudb"

Getting Started

Create a client

immudb = Immudb::Client.new

All of these options are supported

Immudb::Client.new(
  host: "localhost",
  port: 3322,
  username: "immudb",
  password: "immudb",
  database: "defaultdb",
  timeout: nil
)

You can also use a URL. Set ENV["IMMUDB_URL"] or use:

Immudb::Client.new(url: "immudb://user:pass@host:port/dbname")

Keys

Set and get keys

immudb.set("hello", "world")
immudb.get("hello")

Set and get keys with verification

immudb.verified_set("hello", "world")
immudb.verified_get("hello")

Set and get multiple keys

immudb.set_all({"a" => "one", "b" => "two"})
immudb.get_all(["a", "b"])

Get the history of a key

immudb.history("key")

Iterate over keys

immudb.scan

SQL

List tables

immudb.list_tables

Create a table

immudb.sql_exec("CREATE TABLE cities (id INTEGER, name VARCHAR, PRIMARY KEY id)")

Describe a table

immudb.describe_table("cities")

Execute a statement

immudb.sql_exec("INSERT INTO cities (id, name) VALUES (@id, @name)", {id: 1, name: "Chicago"})

Query data

immudb.sql_query("SELECT * FROM cities WHERE id = @id", {id: 1}).to_a

See the SQL Reference for more info

Databases

List databases

immudb.list_databases

Create a database

immudb.create_database("dbname")

Change the database

immudb.use_database("dbname")

Users

List users

immudb.list_users

Create a user

immudb.create_user("user", password: "P@ssw0rd", permission: :read_write, database: "dbname")

Permission can be :read, :read_write, or :admin

Change password

immudb.change_password("user", old_password: "P@ssw0rd", new_password: "P@ssw0rd2")

Other

Check health

immudb.healthy?

Clean indexes

immudb.clean_index

History

View the changelog

Contributing

Everyone is encouraged to help improve this project. Here are a few ways you can help:

• Report bugs
• Fix bugs and submit pull requests
• Write, clarify, or fix documentation
• Suggest or add new features

To get started with development:

git clone https://github.com/ankane/immudb-ruby.git
cd immudb-ruby
bundle install
bundle exec rake test