If you were using Dusen for its query parsing and LIKE queries, we recommend to migrate to Minidusen Show archive.org snapshot , which extracts those parts from Dusen. Minidusen is compatible with MySQL, PostgreSQL and Rails 3.2, 4.2 and 5.0.

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

• Prevents you from data breaches and liability risks
• Upgrade at your own pace
• Works with modern Rubies

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If you are looking for a full text indexing solution, we recommend to use PostgreSQL with pg_search Show archive.org snapshot .