subquery_for(key, select) Instance Protected methods Returns a subquery for the given key using the join information.

sql_for_insert(sql, pk, id_value, sequence_name, binds) Instance Protected methods

select(sql, name = nil, binds = []) Instance Protected methods Returns an ActiveRecord::Result instance.

last_inserted_id(result) Instance Protected methods

insert_sql(sql, name = nil, pk = nil, id_value = nil, sequence_name = nil) Instance Protected methods Returns the last auto-generated ID from the affected table.

delete_sql(sql, name = nil) Instance Protected methods Executes the delete statement and returns the number of rows affected.

binds_from_relation(relation, binds) Instance Protected methods

update(arel, name = nil, binds = []) Instance Public methods Executes the update statement and returns the number of rows affected.

transaction_open?() Instance Public methods

transaction_isolation_levels() Instance Public methods