mysql-to-postgres - MySQL to PostgreSQL Data Translation

MRI or jruby supported.

With a bit of a modified rails database.yml configuration, you can integrate mysql-to-postgres into a project.

Installation

Via RubyGems

gem install mysqltopostgres

From source

git clone https://github.com/maxlapshin/mysql2postgres.git
cd mysql2postgres
bundle install
gem build mysqltopostgres.gemspec
sudo gem install mysqltopostgres-0.2.20.gem

Sample Configuration

Configuration is written in YAML format and passed as the first argument on the command line.

default: &default
  adapter: jdbcpostgresql
  encoding: unicode
  pool: 4
  username: terrapotamus
  password: default
  host: 127.0.0.1

development: &development
  <<: *default
  database: default_development

test: &test
  <<: *default
  database: default_test

production: &production
  <<: *default
  database: default_production

mysql_data_source: &pii
  hostname: localhost
  port: 3306
  socket: /tmp/mysqld.sock
  username: username
  password: default
  database: awesome_possum

mysql2psql:
  mysql:
    <<: *pii

  destination:
    production:
      <<: *production
    test:
      <<: *test
    development:
      <<: *development

  tables:
  - countries
  - samples
  - universes
  - variable_groups
  - variables
  - sample_variables

  # If suppress_data is true, only the schema definition will be exported/migrated, and not the data
  suppress_data: false

  # If suppress_ddl is true, only the data will be exported/imported, and not the schema
  suppress_ddl: true

  # If force_truncate is true, forces a table truncate before table loading
  force_truncate: false

  preserve_order: true

  remove_dump_file: true

  dump_file_directory: /tmp

  report_status: json    # false, json, xml

  # If clear_schema is true, the public schema will be recreated before conversion
  # The import will fail if both clear_schema and suppress_ddl are true.
  clear_schema: false

Please note that the MySQL connection will be using socket in case the host is not defined (nil) or it is 'localhost'.