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authorMike Bayer <mike_mp@zzzcomputing.com>2021-05-06 12:24:00 -0400
committerMike Bayer <mike_mp@zzzcomputing.com>2021-05-06 13:57:43 -0400
commit6967b4502079e199b12f5eb307d10d27ec92d537 (patch)
tree01ac7d137bee27bfd8ec9432639115327e1fe636 /test/dialect/oracle/test_compiler.py
parent900d76b8f757a8a42bfb8fc737d24a94eeeac05f (diff)
downloadsqlalchemy-6967b4502079e199b12f5eb307d10d27ec92d537.tar.gz
don't cache TypeDecorator by default
The :class:`.TypeDecorator` class will now emit a warning when used in SQL compilation with caching unless the ``.cache_ok`` flag is set to ``True`` or ``False``. ``.cache_ok`` indicates that all the parameters passed to the object are safe to be used as a cache key, ``False`` means they are not. Fixes: #6436 Change-Id: Ib1bb7dc4b124e38521d615c2e2e691e4915594fb
Diffstat (limited to 'test/dialect/oracle/test_compiler.py')
-rw-r--r--test/dialect/oracle/test_compiler.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/dialect/oracle/test_compiler.py b/test/dialect/oracle/test_compiler.py
index e198fa48a..2bbc14e99 100644
--- a/test/dialect/oracle/test_compiler.py
+++ b/test/dialect/oracle/test_compiler.py
@@ -568,6 +568,7 @@ class CompileTest(fixtures.TestBase, AssertsCompiledSQL):
def test_limit_preserves_typing_information(self):
class MyType(TypeDecorator):
impl = Integer
+ cache_ok = True
stmt = select(type_coerce(column("x"), MyType).label("foo")).limit(1)
dialect = oracle.dialect()