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authorMike Bayer <mike_mp@zzzcomputing.com>2006-05-29 02:57:33 +0000
committerMike Bayer <mike_mp@zzzcomputing.com>2006-05-29 02:57:33 +0000
commitc12b48b62e4f94a651eec634ca74a028e4b3d760 (patch)
treed2c2bc1f751e454e64eaa6d2b8373e3e9376a5db /lib/sqlalchemy/sql_util.py
parent9f5443a2b63e0fb9935b8593ca6b6e34ba0d40b0 (diff)
downloadsqlalchemy-c12b48b62e4f94a651eec634ca74a028e4b3d760.tar.gz
connection more careful about checking if its closed before operations
small fix to table sort if no tables unit test tweaks
Diffstat (limited to 'lib/sqlalchemy/sql_util.py')
-rw-r--r--lib/sqlalchemy/sql_util.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql_util.py b/lib/sqlalchemy/sql_util.py
index e3170ebce..0728bba47 100644
--- a/lib/sqlalchemy/sql_util.py
+++ b/lib/sqlalchemy/sql_util.py
@@ -27,7 +27,8 @@ class TableCollection(object):
seq.append( node.item )
for child in node.children:
to_sequence( child )
- to_sequence( head )
+ if head is not None:
+ to_sequence( head )
if reverse:
sequence.reverse()
return sequence