- Revamped the Connection memoize decorator a bit, moved to engine

- MySQL character set caching is more aggressive but will invalidate the cache if a SET is issued.
- MySQL connection memos are namespaced: info[('mysql', 'server_variable')]

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/sqlalchemy/databases/postgres.py b/lib/sqlalchemy/databases/postgres.py
index abae27eb1..94ad7d2e4 100644
--- a/lib/sqlalchemy/databases/postgres.py
+++ b/lib/sqlalchemy/databases/postgres.py
@@ -26,7 +26,6 @@ from sqlalchemy.engine import base, default
 from sqlalchemy.sql import compiler, expression
 from sqlalchemy.sql import operators as sql_operators
 from sqlalchemy import types as sqltypes
-from sqlalchemy.pool import connection_cache_decorator
 
 
 class PGInet(sqltypes.TypeEngine):
@@ -369,7 +368,8 @@ class PGDialect(default.DefaultDialect):
 
     def get_default_schema_name(self, connection):
         return connection.scalar("select current_schema()", None)
-    get_default_schema_name = connection_cache_decorator(get_default_schema_name)
+    get_default_schema_name = base.connection_memoize(
+        ('dialect', 'default_schema_name'))(get_default_schema_name)
 
     def last_inserted_ids(self):
         if self.context.last_inserted_ids is None: