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-rw-r--r--lib/sqlalchemy/dialects/postgresql/base.py7
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/base.py b/lib/sqlalchemy/dialects/postgresql/base.py
index ceb624644..f18bec932 100644
--- a/lib/sqlalchemy/dialects/postgresql/base.py
+++ b/lib/sqlalchemy/dialects/postgresql/base.py
@@ -932,9 +932,11 @@ from ... import sql
from ... import util
from ...engine import default
from ...engine import reflection
+from ...sql import coercions
from ...sql import compiler
from ...sql import elements
from ...sql import expression
+from ...sql import roles
from ...sql import sqltypes
from ...sql import util as sql_util
from ...types import BIGINT
@@ -1774,7 +1776,7 @@ class PGCompiler(compiler.SQLCompiler):
col_key = c.key
if col_key in set_parameters:
value = set_parameters.pop(col_key)
- if elements._is_literal(value):
+ if coercions._is_literal(value):
value = elements.BindParameter(None, value, type_=c.type)
else:
@@ -1806,7 +1808,8 @@ class PGCompiler(compiler.SQLCompiler):
else self.process(k, use_schema=False)
)
value_text = self.process(
- elements._literal_as_binds(v), use_schema=False
+ coercions.expect(roles.ExpressionElementRole, v),
+ use_schema=False,
)
action_set_ops.append("%s = %s" % (key_text, value_text))