sure you use psycopg2 v2.4.2 or newer if you use PostgreSQL 9.1 and
the performance hit is a concern for you.
+ .. attribute:: cache
+
+ Cache dictionary with a "request" (-ish) lifecycle, only lives as
+ long as the cursor itself does and proactively cleared when the
+ cursor is closed.
+
+ This cache should *only* be used to store repeatable reads as it
+ ignores rollbacks and savepoints, it should not be used to store
+ *any* data which may be modified during the life of the cursor.
+
"""
IN_MAX = 1000 # decent limit on size of IN queries - guideline = Oracle limit
self._default_log_exceptions = True
+ self.cache = {}
+
def __del__(self):
if not self.__closed and not self._cnx.closed:
# Oops. 'self' has not been closed explicitly.
msg += "Cursor was created at %s:%s" % self.__caller
else:
msg += "Please enable sql debugging to trace the caller."
- _logger.warn(msg)
+ _logger.warning(msg)
self._close(True)
@check
def execute(self, query, params=None, log_exceptions=None):
if '%d' in query or '%f' in query:
- _logger.warn(query)
- _logger.warn("SQL queries cannot contain %d or %f anymore. "
+ _logger.warning(query)
+ _logger.warning("SQL queries cannot contain %d or %f anymore. "
"Use only %s")
+ if params and not isinstance(params, (tuple, list, dict)):
+ _logger.error("SQL query parameters should be a tuple, list or dict; got %r", params)
+ raise ValueError("SQL query parameters should be a tuple, list or dict; got %r" % (params,))
if self.sql_log:
now = mdt.now()
if not self._obj:
return
+ del self.cache
+
if self.sql_log:
self.__closer = frame_codeinfo(currentframe(),3)
self.print_log()
delattr(cnx, 'leaked')
self._connections.pop(i)
self._connections.append((cnx, False))
- _logger.warn('%r: Free leaked connection to %r', self, cnx.dsn)
+ _logger.warning('%r: Free leaked connection to %r', self, cnx.dsn)
for i, (cnx, used) in enumerate(self._connections):
if not used and dsn_are_equals(cnx.dsn, dsn):
return Connection(_Pool, db_name)
def close_db(db_name):
+ global _Pool
""" You might want to call openerp.modules.registry.RegistryManager.delete(db_name) along this function."""
- _Pool.close_all(dsn(db_name))
+ if _Pool:
+ _Pool.close_all(dsn(db_name))
ct = currentThread()
if hasattr(ct, 'dbname'):
delattr(ct, 'dbname')