- alias_method :old_add_column_options!, :add_column_options!
-
- def add_column_options!(sql, options)
- sql << " UNSIGNED" if options[:unsigned]
- old_add_column_options!(sql, options)
- sql << " #{options[:options]}"
- end
- end
-
- class MysqlAdapter
- alias_method :old_native_database_types, :native_database_types
-
- def native_database_types
- types = old_native_database_types
- types[:bigint] = { :name => "bigint", :limit => 20 }
- types[:double] = { :name => "double" }
- types[:bigint_pk] = { :name => "bigint(20) DEFAULT NULL auto_increment PRIMARY KEY" }
- types[:bigint_pk_64] = { :name => "bigint(64) DEFAULT NULL auto_increment PRIMARY KEY" }
- types[:bigint_auto_64] = { :name => "bigint(64) DEFAULT NULL auto_increment" }
- types[:bigint_auto_11] = { :name => "bigint(11) DEFAULT NULL auto_increment" }
- types[:bigint_auto_20] = { :name => "bigint(20) DEFAULT NULL auto_increment" }
- types
+ def remove_primary_key(table_name)
+ execute "ALTER TABLE #{quote_table_name(table_name)} DROP PRIMARY KEY"