Method: ActiveRecord::ConnectionAdapters::SchemaStatements#distinct

Defined in:

lib/active_record/connection_adapters/abstract/schema_statements.rb

#distinct(columns, order_by) ⇒ Object

SELECT DISTINCT clause for a given set of columns and a given ORDER BY clause. Both PostgreSQL and Oracle overrides this for custom DISTINCT syntax.

distinct("posts.id", "posts.created_at desc")

# File 'lib/active_record/connection_adapters/abstract/schema_statements.rb', line 294

def distinct(columns, order_by)
  "DISTINCT #{columns}"
end