Active Record PostgreSQL Adapter Table Definition¶ ↑

# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 237
def initialize(*, **)
  super
  @exclusion_constraints = []
  @unique_constraints = []
  @unlogged = ActiveRecord::ConnectionAdapters::PostgreSQLAdapter.create_unlogged_tables
end

# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 244
def exclusion_constraint(expression, **options)
  exclusion_constraints << new_exclusion_constraint_definition(expression, options)
end

# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 248
def unique_constraint(column_name, **options)
  unique_constraints << new_unique_constraint_definition(column_name, options)
end