diff options
Diffstat (limited to 'examples/dogpile_caching/caching_query.py')
| -rw-r--r-- | examples/dogpile_caching/caching_query.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/examples/dogpile_caching/caching_query.py b/examples/dogpile_caching/caching_query.py index dc007a760..4533dce00 100644 --- a/examples/dogpile_caching/caching_query.py +++ b/examples/dogpile_caching/caching_query.py @@ -130,10 +130,19 @@ class FromCache(UserDefinedOption): self.expiration_time = expiration_time self.ignore_expiration = ignore_expiration + # this is not needed as of SQLAlchemy 1.4.28; + # UserDefinedOption classes no longer participate in the SQL + # compilation cache key def _gen_cache_key(self, anon_map, bindparams): return None def _generate_cache_key(self, statement, parameters, orm_cache): + """generate a cache key with which to key the results of a statement. + + This leverages the use of the SQL compilation cache key which is + repurposed as a SQL results key. + + """ statement_cache_key = statement._generate_cache_key() key = statement_cache_key.to_offline_string( |