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Diffstat (limited to 'examples/dogpile_caching/helloworld.py')
| -rw-r--r-- | examples/dogpile_caching/helloworld.py | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/examples/dogpile_caching/helloworld.py b/examples/dogpile_caching/helloworld.py index 4561097b6..22d7f97be 100644 --- a/examples/dogpile_caching/helloworld.py +++ b/examples/dogpile_caching/helloworld.py @@ -8,27 +8,27 @@ from .environment import Session from .model import Person from .caching_query import FromCache -# load Person objects. cache the result under the namespace "all_people". +# load Person objects. cache the result in the "default" cache region print("loading people....") people = Session.query(Person).options(FromCache("default")).all() # remove the Session. next query starts from scratch. Session.remove() -# load again, using the same FromCache option. now they're cached -# under "all_people", no SQL is emitted. +# load again, using the same FromCache option. now they're cached, +# so no SQL is emitted. print("loading people....again!") people = Session.query(Person).options(FromCache("default")).all() -# want to load on some different kind of query ? change the namespace -# you send to FromCache +# Specifying a different query produces a different cache key, so +# these results are independently cached. print("loading people two through twelve") people_two_through_twelve = Session.query(Person).\ options(FromCache("default")).\ filter(Person.name.between("person 02", "person 12")).\ all() -# the data is cached under the "namespace" you send to FromCache, *plus* +# the data is cached under string structure of the SQL statement, *plus* # the bind parameters of the query. So this query, having # different literal parameters under "Person.name.between()" than the # previous one, issues new SQL... |