diff options
Diffstat (limited to 'lib/sqlalchemy/orm/session.py')
| -rw-r--r-- | lib/sqlalchemy/orm/session.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/sqlalchemy/orm/session.py b/lib/sqlalchemy/orm/session.py index 1cf1bdb24..7a99a0e75 100644 --- a/lib/sqlalchemy/orm/session.py +++ b/lib/sqlalchemy/orm/session.py @@ -913,7 +913,7 @@ class Session(_SessionClassMethods): return conn def execute(self, clause, params=None, mapper=None, bind=None, **kw): - """Execute a SQL expression construct or string statement within + """Execute an SQL expression construct or string statement within the current transaction. Returns a :class:`.ResultProxy` representing @@ -2443,7 +2443,7 @@ class Session(_SessionClassMethods): cases, the attribute is assumed to have a change, even if there is ultimately no net change against its database value. SQLAlchemy in most cases does not need the "old" value when a set event occurs, so - it skips the expense of a SQL call if the old value isn't present, + it skips the expense of an SQL call if the old value isn't present, based on the assumption that an UPDATE of the scalar value is usually needed, and in those few cases where it isn't, is less expensive on average than issuing a defensive SELECT. |