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
126 def add_exclusion_constraint(elements, opts=OPTS)
127   @operations << {:op => :add_constraint, :type => :exclude, :elements => elements}.merge!(opts)
128 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
132 def validate_constraint(name)
133   @operations << {:op => :validate_constraint, :name => name}
134 end