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Fixed #1442 -- Fixed multithreading problem with various database backends. Thanks, Eugene Lazutkin

git-svn-id: http://code.djangoproject.com/svn/django/trunk@2579 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2006-03-28 17:39:53 +00:00
parent 3ff5b993d3
commit 67cbb5c248
4 changed files with 43 additions and 5 deletions

View File

@ -44,7 +44,14 @@ def variantToPython(variant, adType):
return res
Database.convertVariantToPython = variantToPython
class DatabaseWrapper:
try:
# Only exists in python 2.4+
from threading import local
except ImportError:
# Import copy of _thread_local.py from python 2.4
from django.utils._threading_local import local
class DatabaseWrapper(local):
def __init__(self):
self.connection = None
self.queries = []

View File

@ -47,14 +47,31 @@ class MysqlDebugWrapper:
else:
return getattr(self.cursor, attr)
class DatabaseWrapper:
try:
# Only exists in python 2.4+
from threading import local
except ImportError:
# Import copy of _thread_local.py from python 2.4
from django.utils._threading_local import local
class DatabaseWrapper(local):
def __init__(self):
self.connection = None
self.queries = []
def _valid_connection(self):
if self.connection is not None:
try:
self.connection.ping()
return True
except DatabaseError:
self.connection.close()
self.connection = None
return False
def cursor(self):
from django.conf.settings import DATABASE_USER, DATABASE_NAME, DATABASE_HOST, DATABASE_PORT, DATABASE_PASSWORD, DEBUG
if self.connection is None:
if not self._valid_connection():
kwargs = {
'user': DATABASE_USER,
'db': DATABASE_NAME,

View File

@ -9,7 +9,14 @@ import psycopg as Database
DatabaseError = Database.DatabaseError
class DatabaseWrapper:
try:
# Only exists in python 2.4+
from threading import local
except ImportError:
# Import copy of _thread_local.py from python 2.4
from django.utils._threading_local import local
class DatabaseWrapper(local):
def __init__(self):
self.connection = None
self.queries = []

View File

@ -24,7 +24,14 @@ def utf8rowFactory(cursor, row):
return s
return [utf8(r) for r in row]
class DatabaseWrapper:
try:
# Only exists in python 2.4+
from threading import local
except ImportError:
# Import copy of _thread_local.py from python 2.4
from django.utils._threading_local import local
class DatabaseWrapper(local):
def __init__(self):
self.connection = None
self.queries = []