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-rw-r--r--lib/sqlalchemy/sql/compiler.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/compiler.py b/lib/sqlalchemy/sql/compiler.py
index 11608ef3b..010df5a16 100644
--- a/lib/sqlalchemy/sql/compiler.py
+++ b/lib/sqlalchemy/sql/compiler.py
@@ -170,6 +170,8 @@ class Compiled(object):
defaults.
"""
+ _cached_metadata = None
+
def __init__(self, dialect, statement, bind=None,
compile_kwargs=util.immutabledict()):
"""Construct a new ``Compiled`` object.