pkgodara/ExNoSQL

Simple NoSQL Database using file-system in Elixir

ExNoSQL

Simple NoSQL Database using file in Elixir. Can Insert, Select, Delete documents. Updating records not allowed.

Interact

Checkout to this directory, and run iex -S mix to open interactive shell.

Commands -

cd ex_nosql
mix deps.get
iex -S mix

Run direnv allow to load env variables

Examples

Create record

Command -

ExNoSQL.insert %{"key" => "value", "key-i" => 1, "key-d" => 1.1}

Output -

%{
  "_id" => "3af27707-6169-4455-b344-9f7d8e20dcb2",
  "key" => "value",
  "key-d" => 1.1,
  "key-i" => 1
}

Select * records

Select All Command -

ExNoSQL.select(%{})

output -

[
  %{
    "_id" => "3af27707-6169-4455-b344-9f7d8e20dcb2",
    "key" => "value",
    "key-d" => 1.1,
    "key-i" => 1
  },
  %{"_id" => "4672c613-84e6-48d6-98f9-94ad151ef274", "k" => 2},
  %{"_id" => "cb458566-66af-4378-a5c6-ec2174827ebe", "k" => 2, "k1" => 1},
  %{"_id" => "e85d0023-9a5d-4459-ab87-569cc386f31c", "k" => 3}
]

Select * based on given key-values

ExNoSQL.select(%{"key" => "value"})

or

ExNoSQL.select(%{"key" => "value", "key-d" => 1.1})

output -

[
  %{
    "_id" => "3af27707-6169-4455-b344-9f7d8e20dcb2",
    "key" => "value",
    "key-d" => 1.1,
    "key-i" => 1
  }
]

Select specific [keys] -

ExNoSQL.select(%{"key" => "value"}, ["key"])

output -

[%{"_id" => "3af27707-6169-4455-b344-9f7d8e20dcb2", "key" => "value"}]

Delete matching records

ExNoSQL.delete(%{"key" => "value"})

Installation

def deps do
  [
    {:ex_nosql, "~> 0.1.0"}
  ]
end