diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sqlalchemy/orm/mapper.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/mapper.py b/lib/sqlalchemy/orm/mapper.py index 6d79f6cd5..f8cf4e6ed 100644 --- a/lib/sqlalchemy/orm/mapper.py +++ b/lib/sqlalchemy/orm/mapper.py @@ -347,7 +347,9 @@ class Mapper(object): _COMPILE_MUTEX.acquire() global _already_compiling if _already_compiling: - self.__initialize_properties() + # re-entrance to compile() occurs rarely, when a class-mapped construct is + # used within a ForeignKey, something that is possible + # when using the declarative layer return _already_compiling = True try: |