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-rw-r--r--lib/sqlalchemy/engine/default.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/sqlalchemy/engine/default.py b/lib/sqlalchemy/engine/default.py
index 94f59d388..7d558f5ff 100644
--- a/lib/sqlalchemy/engine/default.py
+++ b/lib/sqlalchemy/engine/default.py
@@ -106,6 +106,7 @@ class DefaultDialect(interfaces.Dialect):
def __init__(self, convert_unicode=False,
encoding='utf-8', paramstyle=None, dbapi=None,
implicit_returning=None,
+ supports_right_nested_joins=None,
case_sensitive=True,
label_length=None, **kwargs):
@@ -130,6 +131,8 @@ class DefaultDialect(interfaces.Dialect):
self.positional = self.paramstyle in ('qmark', 'format', 'numeric')
self.identifier_preparer = self.preparer(self)
self.type_compiler = self.type_compiler(self)
+ if supports_right_nested_joins is not None:
+ self.supports_right_nested_joins = supports_right_nested_joins
self.case_sensitive = case_sensitive