class Sequel::Postgres::AlterTableGenerator
Public Instance Methods
add_exclusion_constraint(elements, opts=OPTS)
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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)
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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