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| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2009-05-17 22:20:28 +0000 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2009-05-17 22:20:28 +0000 |
| commit | eb30cb1febce323d3647527d8a63a8267c943832 (patch) | |
| tree | f795420741971a9cb5a419a2ce5426fa43bb6594 /lib/sqlalchemy/sql/expression.py | |
| parent | ab0434d6488772b927c3937737784e92b660e118 (diff) | |
| download | sqlalchemy-eb30cb1febce323d3647527d8a63a8267c943832.tar.gz | |
- The "polymorphic discriminator" column may be part of a
primary key, and it will be populated with the correct
discriminator value. [ticket:1300]
Diffstat (limited to 'lib/sqlalchemy/sql/expression.py')
| -rw-r--r-- | lib/sqlalchemy/sql/expression.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/expression.py b/lib/sqlalchemy/sql/expression.py index 859419022..65c3c2135 100644 --- a/lib/sqlalchemy/sql/expression.py +++ b/lib/sqlalchemy/sql/expression.py @@ -1587,7 +1587,7 @@ class ColumnElement(ClauseElement, _CompareMixin): def shares_lineage(self, othercolumn): """Return True if the given ``ColumnElement`` has a common ancestor to this ``ColumnElement``.""" - return len(self.proxy_set.intersection(othercolumn.proxy_set)) > 0 + return bool(self.proxy_set.intersection(othercolumn.proxy_set)) def _make_proxy(self, selectable, name=None): """Create a new ``ColumnElement`` representing this |