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hash_config.rb
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hash_config.rb
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# frozen_string_literal: true
module ActiveRecord
class DatabaseConfigurations
# A HashConfig object is created for each database configuration entry that
# is created from a hash.
#
# A hash config:
#
# { "development" => { "database" => "db_name" } }
#
# Becomes:
#
# #<ActiveRecord::DatabaseConfigurations::HashConfig:0x00007fd1acbded10
# @env_name="development", @name="primary", @config={database: "db_name"}>
#
# ==== Options
#
# * <tt>:env_name</tt> - The Rails environment, i.e. "development".
# * <tt>:name</tt> - The db config name. In a standard two-tier
# database configuration this will default to "primary". In a multiple
# database three-tier database configuration this corresponds to the name
# used in the second tier, for example "primary_readonly".
# * <tt>:config</tt> - The config hash. This is the hash that contains the
# database adapter, name, and other important information for database
# connections.
class HashConfig < DatabaseConfig
attr_reader :configuration_hash
def initialize(env_name, name, configuration_hash)
super(env_name, name)
@configuration_hash = configuration_hash.symbolize_keys.freeze
end
def config
ActiveSupport::Deprecation.warn("DatabaseConfig#config will be removed in 7.0.0 in favor of DatabaseConfig#configuration_hash which returns a hash with symbol keys")
configuration_hash.stringify_keys
end
# Determines whether a database configuration is for a replica / readonly
# connection. If the +replica+ key is present in the config, +replica?+ will
# return +true+.
def replica?
configuration_hash[:replica]
end
# The migrations paths for a database configuration. If the
# +migrations_paths+ key is present in the config, +migrations_paths+
# will return its value.
def migrations_paths
configuration_hash[:migrations_paths]
end
def host
configuration_hash[:host]
end
def database
configuration_hash[:database]
end
def _database=(database) # :nodoc:
@configuration_hash = configuration_hash.merge(database: database).freeze
end
def pool
(configuration_hash[:pool] || 5).to_i
end
def checkout_timeout
(configuration_hash[:checkout_timeout] || 5).to_f
end
# +reaping_frequency+ is configurable mostly for historical reasons, but it could
# also be useful if someone wants a very low +idle_timeout+.
def reaping_frequency
configuration_hash.fetch(:reaping_frequency, 60)&.to_f
end
def idle_timeout
timeout = configuration_hash.fetch(:idle_timeout, 300).to_f
timeout if timeout > 0
end
def adapter
configuration_hash[:adapter]
end
# The path to the schema cache dump file for a database.
# If omitted, the filename will be read from ENV or a
# default will be derived.
def schema_cache_path
configuration_hash[:schema_cache_path]
end
end
end
end