2 module ConnectionAdapters
3 module SchemaStatements
4 def add_primary_key(table_name, column_name, options = {})
5 index_name = options[:name]
6 column_names = Array(column_name)
7 quoted_column_names = column_names.map { |e| quote_column_name(e) }.join(", ")
8 execute "ALTER TABLE #{table_name} ADD PRIMARY KEY #{quote_column_name(index_name)} (#{quoted_column_names})"
11 alias_method :old_add_column_options!, :add_column_options!
13 def add_column_options!(sql, options)
14 old_add_column_options!(sql, options)
15 sql << " #{options[:options]}"
18 alias_method :old_options_include_default?, :options_include_default?
20 def options_include_default?(options)
21 old_options_include_default?(options) && !(options[:options] =~ /AUTO_INCREMENT/i)
26 alias_method :old_native_database_types, :native_database_types
28 def native_database_types
29 types = old_native_database_types
30 types[:bigint] = { :name => "bigint", :limit => 20 }
37 myisam_table = { :id => false, :force => true, :options => "ENGINE=MyIsam" }
38 innodb_table = { :id => false, :force => true, :options => "ENGINE=InnoDB" }