Module: TransactionReliability

Extended by:
Helpers
Defined in:
lib/transaction_reliability.rb,
lib/transaction_reliability/version.rb

Overview

Provide utilities for the (more) reliable handling of database errors related to concurrency or connectivity.

Currently only handles Postgresql and Mysql, assuming use of the PG and Mysql2 drivers respectively

Defined Under Namespace

Modules: Helpers Classes: ConcurrencyError, ConnectionLost, DeadlockDetected, SerializationFailure, TransientTransactionError

Constant Summary collapse

VERSION = 
"0.1.0"

Class Method Summary collapse

Methods included from Helpers

transaction_with_retry, with_transaction_retry

Class Method Details

.rewrap_exception(exception) ⇒ Object

Unwrap ActiveRecord::StatementInvalid into some more specific exceptions that we define.

Only defined for Mysql2 and PG drivers at the moment



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# File 'lib/transaction_reliability.rb', line 149

def self.rewrap_exception(exception)
  if exception.message.start_with?('PG::') || exception.class.name.start_with?('PG::')
    rewrap_pg_exception exception
  elsif exception.message =~ /^mysql2::/i
    rewrap_mysql2_exception exception
  else
    exception
  end
end