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| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2012-04-24 11:55:04 -0400 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2012-04-24 11:55:04 -0400 |
| commit | f5c98d5470ba2d7ed42ed6c1298d760eb5765710 (patch) | |
| tree | 0d76dfe9eec5630940aea1e66f82cb0fbc891fba /lib/sqlalchemy/orm/attributes.py | |
| parent | 1bab44c2ba7bc3ce34b3936fad6f47a2af27351c (diff) | |
| download | sqlalchemy-f5c98d5470ba2d7ed42ed6c1298d760eb5765710.tar.gz | |
- [bug] The "passive" flag on Session.is_modified()
no longer has any effect. is_modified() in
all cases looks only at local in-memory
modified flags and will not emit any
SQL or invoke loader callables/initializers.
[ticket:2320]
Diffstat (limited to 'lib/sqlalchemy/orm/attributes.py')
| -rw-r--r-- | lib/sqlalchemy/orm/attributes.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/sqlalchemy/orm/attributes.py b/lib/sqlalchemy/orm/attributes.py index 9933a2f4d..7625ccead 100644 --- a/lib/sqlalchemy/orm/attributes.py +++ b/lib/sqlalchemy/orm/attributes.py @@ -52,6 +52,11 @@ indicating that the attribute had not been assigned to previously. """ ) +NO_CHANGE = util.symbol("NO_CHANGE", +"""No callables or SQL should be emitted on attribute access +and no state should change""", canonical=0 +) + CALLABLES_OK = util.symbol("CALLABLES_OK", """Loader callables can be fired off if a value is not present.""", canonical=1 |