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-rw-r--r--lib/sqlalchemy/dialects/postgresql/base.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/base.py b/lib/sqlalchemy/dialects/postgresql/base.py
index 83ad1d46f..06ee8c3a2 100644
--- a/lib/sqlalchemy/dialects/postgresql/base.py
+++ b/lib/sqlalchemy/dialects/postgresql/base.py
@@ -1101,7 +1101,10 @@ class PGDDLCompiler(compiler.DDLCompiler):
% (
', '.join([
self.sql_compiler.process(
- expr, include_table=False, literal_binds=True) +
+ expr.self_group()
+ if not isinstance(expr, expression.ColumnClause)
+ else expr,
+ include_table=False, literal_binds=True) +
(c.key in ops and (' ' + ops[c.key]) or '')
for expr, c in zip(index.expressions, index.columns)])
)