TESTS TO ADD * CACHE-TABLE-QUERIES * Test that ":db-kind :key" adds an index for that key. This is complicated by different backends showing autogenerated primary key in different ways. * :db-constraint tests * test *db-auto-sync* * for-each-row macro * owner phrases for postgresql and oracle backends * Number and Char field types * Add test case for return type of (setf slot-value-using-class) VARIANCES FROM COMMONSQL CLSQL starts with in transaction AUTOCOMMIT mode. To begin a transaction, START-TRANSACTION has to be called. OPTIMIZATIONS * Revisit result-type list creation, perhaps caching POSSIBLE EXTENSIONS * extend large object support to databases beyond postgresql, improve large object api * add support for prepared statements * port Oracle backend to UFFI