Ecco

MySQL replication binlog parser using mysql-binlog-connector-java.

Installation

Add this line to your application's Gemfile:

gem "ecco"

And then execute:

$ bundle

Or install it yourself as:

$ gem install ecco

Usage

require "ecco"

hostname = "localhost" # Optional
port     = 3306        # Optional
username = "username"
password = "password"

client = Ecco::Client.new(hostname: hostname, port: port, username: username, password: password)

client.on_row_event do |row_event|
  type     = row_event.type
  database = row_event.database
  table    = row_event.table
  rows     = row_event.rows

  next unless database == "FooDatabase"
  next unless table == "FooTable"

  second_column = rows.first[1]

  puts "Row event: #{database} #{table} #{type} #{second_column}"
end

client.on_save_position do |filename, position|
  puts "Save event: #{filename} #{position}"
end

# Optionally set a starting position
client.set_binlog_filename("mysql-bin.000009")
client.set_binlog_position(276753)

client.start

Development

To download a new version of mysql-binlog-connector-java

rake maven:dependencies

Note: You need Maven to download

brew install maven

Run the tests

jruby --dev -G -S rake

For an interactive prompt

bin/console

To install this gem onto your local machine

bundle exec rake install

Release

To release a new version, update the version number in version.rb, and then run

bundle exec rake release

which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

License

The gem is available as open source under the terms of the Apache License, Version 2.0.