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| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2021-05-06 12:24:00 -0400 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2021-05-06 13:57:43 -0400 |
| commit | 6967b4502079e199b12f5eb307d10d27ec92d537 (patch) | |
| tree | 01ac7d137bee27bfd8ec9432639115327e1fe636 /lib/sqlalchemy/dialects/sqlite/pysqlite.py | |
| parent | 900d76b8f757a8a42bfb8fc737d24a94eeeac05f (diff) | |
| download | sqlalchemy-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 'lib/sqlalchemy/dialects/sqlite/pysqlite.py')
| -rw-r--r-- | lib/sqlalchemy/dialects/sqlite/pysqlite.py | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/sqlalchemy/dialects/sqlite/pysqlite.py b/lib/sqlalchemy/dialects/sqlite/pysqlite.py index 20a4bb7ac..8df0037bf 100644 --- a/lib/sqlalchemy/dialects/sqlite/pysqlite.py +++ b/lib/sqlalchemy/dialects/sqlite/pysqlite.py @@ -312,6 +312,7 @@ same column, use a custom type that will check each row individually:: class MixedBinary(TypeDecorator): impl = String + cache_ok = True def process_result_value(self, value, dialect): if isinstance(value, str): |