method
add_unique_constraint
rails latest stable - Class:
ActiveRecord::ConnectionAdapters::PostgreSQL::ColumnMethods::AlterTable
add_unique_constraint(column_name, options)public
No documentation available.
# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 362
def add_unique_constraint(column_name, options)
@unique_constraint_adds << @td.new_unique_constraint_definition(column_name, options)
end