Module: Rein::Constraint::PrimaryKey

Included in:
ActiveRecord::ConnectionAdapters::Mysql2Adapter, ActiveRecord::ConnectionAdapters::MysqlAdapter, ActiveRecord::ConnectionAdapters::PostgreSQLAdapter
Defined in:
lib/rein/constraint/primary_key.rb

Overview

This module contains methods for defining primary key constraints.

Instance Method Summary collapse

Instance Method Details

#add_primary_key(table, options = {}) ⇒ Object 



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# File 'lib/rein/constraint/primary_key.rb', line 5

def add_primary_key(table, options = {})
  attribute = (options[:column] || "id").to_sym
  sql = "ALTER TABLE #{table} ADD PRIMARY KEY (#{attribute})"
  execute(sql)
end