class Sequel::Postgres::AlterTableGenerator

Public Instance Methods

add_exclusion_constraint(elements, opts=OPTS) click to toggle source

Adds an exclusion constraint to an existing table, see CreateTableGenerator#exclude.

    # File lib/sequel/adapters/shared/postgres.rb
122 def add_exclusion_constraint(elements, opts=OPTS)
123   @operations << {:op => :add_constraint, :type => :exclude, :elements => elements}.merge!(opts)
124 end
validate_constraint(name) click to toggle source

Validate the constraint with the given name, which should have been added previously with NOT VALID.

    # File lib/sequel/adapters/shared/postgres.rb
128 def validate_constraint(name)
129   @operations << {:op => :validate_constraint, :name => name}
130 end