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| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2013-06-02 18:05:47 -0400 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2013-06-02 18:05:47 -0400 |
| commit | af3fa1f69c077789b8a1c5078d1bb94a8d5e2240 (patch) | |
| tree | 2cf4009db2cb4c3793d400147e8308dfa9e08b4a /lib/sqlalchemy/sql/util.py | |
| parent | 32716eae773e6f6b7f37baf705342c1ed89df461 (diff) | |
| download | sqlalchemy-af3fa1f69c077789b8a1c5078d1bb94a8d5e2240.tar.gz | |
implement join rewriting inside of visit_select(). Currently this is global or not based on fixing nested_join_translation as True or not.
Diffstat (limited to 'lib/sqlalchemy/sql/util.py')
| -rw-r--r-- | lib/sqlalchemy/sql/util.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/sqlalchemy/sql/util.py b/lib/sqlalchemy/sql/util.py index 91740dc16..ffa07d3df 100644 --- a/lib/sqlalchemy/sql/util.py +++ b/lib/sqlalchemy/sql/util.py @@ -797,8 +797,11 @@ class ClauseAdapter(visitors.ReplacingCloningVisitor): def __init__(self, selectable, equivalents=None, include=None, exclude=None, include_fn=None, exclude_fn=None, - adapt_on_names=False): + adapt_on_names=False, + traverse_options=None): self.__traverse_options__ = {'stop_on': [selectable]} + if traverse_options: + self.__traverse_options__.update(traverse_options) self.selectable = selectable if include: assert not include_fn @@ -832,7 +835,7 @@ class ClauseAdapter(visitors.ReplacingCloningVisitor): def replace(self, col): if isinstance(col, expression.FromClause) and \ self.selectable.is_derived_from(col): - return self.selectable + return self.selectable elif not isinstance(col, expression.ColumnElement): return None elif self.include_fn and not self.include_fn(col): |