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Programming language: Crystal
Tags: Database Drivers    
Latest version: v0.1.1

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README

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eventql-crystal

EventQL driver for Crystal (eventql.io)

Based on the official ruby driver
https://github.com/eventql/eventql/tree/master/drivers/ruby

Installation

Add this to your application's shard.yml:

dependencies:
  eventql-crystal:
    github: measurechina/eventql-crystal

Usage

require "eventql-crystal"

# init
client = EventQL.connect({
  "host" => "localhost",
  "port" => "9175",
  "database" => "sensors",
})

# insert rows
body = [
  {
    database: "test",
    table: "sensors",
    data: {
      time: Time.now.to_utc.to_s("%FT%XZ"),
      session_id: "s1",
      url: "/page1",
    }
  }
].to_json

result = client.insert!(body)

# query
query = client.query("SELECT COUNT(1) FROM sensors;")
response = query.execute!

# [{"type" => "table", "columns" => ["COUNT(1)"], "rows" => [["1"]]}]

query = client.query("SELECT * FROM sensors;")
response = query.execute!


TODO:

  • [ ] table create/drop/list
  • [ ] table add_field/remove_field
  • [ ] Time conversion util
  • [ ] time zone util
  • [ ] MapReduce query
  • [ ] json mapping helper

Contributing

  1. Fork it ( https://github.com/measurechina/eventql-crystal/fork )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request