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authorMike Bayer <mike_mp@zzzcomputing.com>2010-09-19 16:11:16 -0400
committerMike Bayer <mike_mp@zzzcomputing.com>2010-09-19 16:11:16 -0400
commit90c8d8e0c9e2d0a9eeace7fa326df26a5f28465a (patch)
tree48b1e7fa44d5368f56be00c78c0e3d647186c497 /lib/sqlalchemy/sql/compiler.py
parente4bc7d289477e22815f4c6ab86b3f0c1bf356e08 (diff)
parentc5c8cdf3b4d7dc456cfef29ea04b2b7300060c7a (diff)
downloadsqlalchemy-90c8d8e0c9e2d0a9eeace7fa326df26a5f28465a.tar.gz
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Diffstat (limited to 'lib/sqlalchemy/sql/compiler.py')
-rw-r--r--lib/sqlalchemy/sql/compiler.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/compiler.py b/lib/sqlalchemy/sql/compiler.py
index 584e43a88..154ede1bf 100644
--- a/lib/sqlalchemy/sql/compiler.py
+++ b/lib/sqlalchemy/sql/compiler.py
@@ -332,6 +332,10 @@ class SQLCompiler(engine.Compiled):
def visit_column(self, column, result_map=None, **kwargs):
name = column.name
+ if name is None:
+ raise exc.CompileError("Cannot compile Column object until "
+ "it's 'name' is assigned.")
+
if not column.is_literal and isinstance(name, sql._generated_label):
name = self._truncated_identifier("colident", name)