def unicode_connections(fn): """Target driver must support some encoding of Unicode across the wire.""" # TODO: expand to exclude MySQLdb versions w/ broken unicode return _chain_decorators_on( fn, exclude('mysql', '<', (4, 1, 1), 'no unicode connection support'), )
def row_triggers(fn): """Target must support standard statement-running EACH ROW triggers.""" return _chain_decorators_on( fn, # no access to same table exclude('mysql', '<', (5, 0, 10), 'not supported by database'), no_support('postgres', 'not supported by database: no statements'), )
def savepoints(fn): """Target database must support savepoints.""" return _chain_decorators_on( fn, emits_warning_on('mssql', 'Savepoint support in mssql is experimental and may lead to data loss.'), no_support('access', 'not supported by database'), no_support('sqlite', 'not supported by database'), no_support('sybase', 'FIXME: guessing, needs confirmation'), exclude('mysql', '<', (5, 0, 3), 'not supported by database'), )
def unicode_ddl(fn): """Target driver must support some encoding of Unicode across the wire.""" # TODO: expand to exclude MySQLdb versions w/ broken unicode return _chain_decorators_on( fn, no_support('maxdb', 'database support flakey'), no_support('oracle', 'FIXME: no support in database?'), no_support('sybase', 'FIXME: guessing, needs confirmation'), exclude('mysql', '<', (4, 1, 1), 'no unicode connection support'), )
def savepoints(fn): """Target database must support savepoints.""" return _chain_decorators_on( fn, emits_warning_on( 'mssql', 'Savepoint support in mssql is experimental and may lead to data loss.' ), no_support('access', 'not supported by database'), no_support('sqlite', 'not supported by database'), no_support('sybase', 'FIXME: guessing, needs confirmation'), exclude('mysql', '<', (5, 0, 3), 'not supported by database'), )
def two_phase_transactions(fn): """Target database must support two-phase transactions.""" return _chain_decorators_on( fn, no_support('access', 'not supported by database'), no_support('firebird', 'no SA implementation'), no_support('maxdb', 'not supported by database'), no_support('mssql', 'FIXME: guessing, needs confirmation'), no_support('oracle', 'no SA implementation'), no_support('sqlite', 'not supported by database'), no_support('sybase', 'FIXME: guessing, needs confirmation'), exclude('mysql', '<', (5, 0, 3), 'not supported by database'), )
def subqueries(fn): """Target database must support subqueries.""" return _chain_decorators_on( fn, exclude('mysql', '<', (4, 1, 1), 'no subquery support'), )