# File lib/active_record/connection_adapters/postgresql_adapter.rb, line 304 def initialize(connection, logger, connection_parameters, config) super(connection, logger) @connection_parameters, @config = connection_parameters, config # @local_tz is initialized as nil to avoid warnings when connect tries to use it @local_tz = nil @table_alias_length = nil connect @statements = StatementPool.new @connection, config.fetch(:statement_limit) { 1000 } if postgresql_version < 80200 raise "Your version of PostgreSQL (#{postgresql_version}) is too old, please upgrade!" end @local_tz = execute('SHOW TIME ZONE', 'SCHEMA').first["TimeZone"] end