method
unique_constraint
rails latest stable - Class:
ActiveRecord::ConnectionAdapters::PostgreSQL::ColumnMethods::TableDefinition
unique_constraint(column_name, **options)public
No documentation available.
# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 255
def unique_constraint(column_name, **options)
unique_constraints << new_unique_constraint_definition(column_name, options)
end