def add_foreign_key(table_name, column_name, reftbl, refcol = nil)
execute "ALTER TABLE #{table_name} ADD " +
- "FOREIGN KEY (#{quote_column_names(column_name)}) " +
- "REFERENCES #{reftbl} (#{quote_column_names(refcol || column_name)})"
+ "FOREIGN KEY (#{quote_column_names(column_name)}) " +
+ "REFERENCES #{reftbl} (#{quote_column_names(refcol || column_name)})"
end
def remove_foreign_key(table_name, column_name, reftbl, refcol = nil)
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[:integer_pk] = { :name => "integer DEFAULT NULL auto_increment PRIMARY KEY" }
- 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[:four_byte_unsigned] = { :name=> "integer unsigned" }
- types[:inet] = { :name=> "integer unsigned" }
-
- enumerations.each do |e,v|
- types[e.to_sym]= { :name => "enum('#{v.join '\',\''}')" }
- end
-
- types
- end
-
- def change_column(table_name, column_name, type, options = {})
- unless options_include_default?(options)
- options[:default] = select_one("SHOW COLUMNS FROM #{table_name} LIKE '#{column_name}'")["Default"]
-
- unless type == :string or type == :text
- options.delete(:default) if options[:default] = "";
- end
- end
-
- change_column_sql = "ALTER TABLE #{table_name} CHANGE #{column_name} #{column_name} #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}"
- add_column_options!(change_column_sql, options)
- execute(change_column_sql)
- end
-
- def myisam_table
- return { :id => false, :force => true, :options => "ENGINE=MyIsam" }
- end
-
- def innodb_table
- return { :id => false, :force => true, :options => "ENGINE=InnoDB" }
- end
-
- def innodb_option
- return "ENGINE=InnoDB"
- end
-
- def change_engine (table_name, engine)
- execute "ALTER TABLE #{table_name} ENGINE = #{engine}"
- end
-
- def add_fulltext_index (table_name, column)
- execute "CREATE FULLTEXT INDEX `#{table_name}_#{column}_idx` ON `#{table_name}` (`#{column}`)"
- end
-
- def enumerations
- @enumerations ||= Hash.new
- end
-
- def create_enumeration (enumeration_name, values)
- enumerations[enumeration_name] = values
- end
-
- def drop_enumeration (enumeration_name)
- enumerations.delete(enumeration_name)
- end
-
- def alter_primary_key(table_name, new_columns)
- execute("alter table #{table_name} drop primary key, add primary key (#{new_columns.join(',')})")
- end
-
- def interval_constant(interval)
- "'#{interval}'"
- end
- end
-
class PostgreSQLAdapter
alias_method :old_native_database_types, :native_database_types
def innodb_option
return ""
end
-
+
def change_engine (table_name, engine)
end
@enumerations ||= Hash.new
end
- def create_enumeration (enumeration_name, values)
+ def create_enumeration(enumeration_name, values)
enumerations[enumeration_name] = values
- execute "create type #{enumeration_name} as enum ('#{values.join '\',\''}')"
+ execute "CREATE TYPE #{enumeration_name} AS ENUM ('#{values.join '\',\''}')"
end
- def drop_enumeration (enumeration_name)
- execute "drop type #{enumeration_name}"
+ def drop_enumeration(enumeration_name)
+ execute "DROP TYPE #{enumeration_name}"
enumerations.delete(enumeration_name)
end
+ def rename_enumeration(old_name, new_name)
+ execute "ALTER TYPE #{quote_table_name(old_name)} RENAME TO #{quote_table_name(new_name)}"
+ end
+
def alter_primary_key(table_name, new_columns)
- execute "alter table #{table_name} drop constraint #{table_name}_pkey; alter table #{table_name} add primary key (#{new_columns.join(',')})"
+ execute "ALTER TABLE #{table_name} DROP CONSTRAINT #{table_name}_pkey"
+ execute "ALTER TABLE #{table_name} ADD PRIMARY KEY (#{new_columns.join(',')})"
end
def interval_constant(interval)
execute "CREATE #{index_type} INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)} USING #{index_method} (#{quoted_column_names})"
end
+
+ def rename_index(table_name, old_name, new_name)
+ execute "ALTER INDEX #{quote_table_name(old_name)} RENAME TO #{quote_table_name(new_name)}"
+ end
end
end
end