class ActiveRecord::ConnectionAdapters::PostgreSQL::Table

Active Record PostgreSQL Adapter Table ↑

Public Instance Methods

exclusion_constraint (*args)

Adds an exclusion constraint.

t.exclusion_constraint("price WITH =, availability_range WITH &&", using: :gist, name: "price_check")

See connection.add_exclusion_constraint

# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 305
def exclusion_constraint(*args)
  @base.add_exclusion_constraint(name, *args)
end
remove_exclusion_constraint (*args)

Removes the given exclusion constraint from the table.

t.remove_exclusion_constraint(name: "price_check")

See connection.remove_exclusion_constraint

# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 314
def remove_exclusion_constraint(*args)
  @base.remove_exclusion_constraint(name, *args)
end
remove_unique_constraint (*args)

Removes the given unique constraint from the table.

t.remove_unique_constraint(name: "unique_position")

See connection.remove_unique_constraint

# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 332
def remove_unique_constraint(*args)
  @base.remove_unique_constraint(name, *args)
end
unique_constraint (*args)

Adds a unique constraint.

t.unique_constraint(:position, name: 'unique_position', deferrable: :deferred)

See connection.add_unique_constraint

# File activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, line 323
def unique_constraint(*args)
  @base.add_unique_constraint(name, *args)
end