instance method `unique_constraint`

Ruby on Rails 8.0.4

Since v7.1.6

Available in: v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

unique_constraint(column_name, **options)

No documentation comment.

Parameters

column_name req
options keyrest

Source

# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 261
        def unique_constraint(column_name, **options)
          unique_constraints << new_unique_constraint_definition(column_name, options)
        end

Defined in activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb line 261 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::PostgreSQL::TableDefinition

Signature

Parameters