self.new(spec) — ActiveRecord::ConnectionAdapters::ConnectionPool

self.new(spec)

Creates a new ConnectionPool object. spec is a ConnectionSpecification object which describes database connection information (e.g. adapter, host name, username, password, etc), as well as the maximum size for this ConnectionPool.

The default ConnectionPool maximum size is 5.

Parameters

spec req

Source

# File activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb, line 74
      def initialize(spec)
        super()

        @spec = spec

        # The cache of reserved connections mapped to threads
        @reserved_connections = {}

        @queue = new_cond
        # 'wait_timeout', the backward-compatible key, conflicts with spec key 
        # used by mysql2 for something entirely different, checkout_timeout
        # preferred to avoid conflict and allow independent values. 
        @timeout = spec.config[:checkout_timeout] || spec.config[:wait_timeout] || 5

        # default max pool size to 5
        @size = (spec.config[:pool] && spec.config[:pool].to_i) || 5

        @connections         = []
        @automatic_reconnect = true
      end

Defined in activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb line 74 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::ConnectionPool

Signature

Parameters