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-rw-r--r--lib/sqlalchemy/dialects/postgresql/base.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/base.py b/lib/sqlalchemy/dialects/postgresql/base.py
index 4c7898132..4c654a643 100644
--- a/lib/sqlalchemy/dialects/postgresql/base.py
+++ b/lib/sqlalchemy/dialects/postgresql/base.py
@@ -2322,7 +2322,9 @@ class PGCompiler(compiler.SQLCompiler):
def _on_conflict_target(self, clause, **kw):
if clause.constraint_target is not None:
- target_text = "ON CONSTRAINT %s" % clause.constraint_target
+ target_text = "ON CONSTRAINT %s" % self.preparer.quote(
+ clause.constraint_target
+ )
elif clause.inferred_target_elements is not None:
target_text = "(%s)" % ", ".join(
(