summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMike Bayer <mike_mp@zzzcomputing.com>2013-06-02 19:48:30 -0400
committerMike Bayer <mike_mp@zzzcomputing.com>2013-06-02 19:48:30 -0400
commit35a674aab4a832e76232e7be4b16b7a635a19824 (patch)
treee3df6c0b5b49efbc19d1b992ef534a7e1fc76b3c
parent02ae3cd54d0c47850ae1c894abae256a4717fe2d (diff)
downloadsqlalchemy-35a674aab4a832e76232e7be4b16b7a635a19824.tar.gz
- figured out what the from_self() thing was about, part of query.statement, but would
like to improve upon query.statement needing to do this
-rw-r--r--lib/sqlalchemy/orm/query.py2
-rw-r--r--lib/sqlalchemy/sql/compiler.py8
-rw-r--r--lib/sqlalchemy/sql/util.py1
-rw-r--r--lib/sqlalchemy/sql/visitors.py4
4 files changed, 6 insertions, 9 deletions
diff --git a/lib/sqlalchemy/orm/query.py b/lib/sqlalchemy/orm/query.py
index 25ffb0127..66d208a74 100644
--- a/lib/sqlalchemy/orm/query.py
+++ b/lib/sqlalchemy/orm/query.py
@@ -447,6 +447,8 @@ class Query(object):
statement
if self._params:
stmt = stmt.params(self._params)
+
+
# TODO: there's no tests covering effects of
# the annotation not being there
return stmt._annotate({'no_replacement_traverse': True})
diff --git a/lib/sqlalchemy/sql/compiler.py b/lib/sqlalchemy/sql/compiler.py
index 27e883c86..ff041d5e4 100644
--- a/lib/sqlalchemy/sql/compiler.py
+++ b/lib/sqlalchemy/sql/compiler.py
@@ -1080,7 +1080,7 @@ class SQLCompiler(engine.Compiled):
def _transform_select_for_nested_joins(self, select):
adapters = []
- traverse_options = {"cloned": {}}
+ traverse_options = {"cloned": {}, "unconditional": True}
def visit_join(elem):
if isinstance(elem.right, sql.FromGrouping):
@@ -1095,19 +1095,13 @@ class SQLCompiler(engine.Compiled):
c._label = c._key_label = c.name
elem.right = selectable
- import pdb
- pdb.set_trace()
adapter = sql_util.ClauseAdapter(selectable,
traverse_options=traverse_options)
- adapter.__traverse_options__.pop('stop_on')
adapters.append(adapter)
select = visitors.cloned_traverse(select,
traverse_options, {"join": visit_join})
- if adapters:
- import pdb
- pdb.set_trace()
for adap in reversed(adapters):
select = adap.traverse(select)
return select
diff --git a/lib/sqlalchemy/sql/util.py b/lib/sqlalchemy/sql/util.py
index 6a267752e..ffa07d3df 100644
--- a/lib/sqlalchemy/sql/util.py
+++ b/lib/sqlalchemy/sql/util.py
@@ -833,7 +833,6 @@ class ClauseAdapter(visitors.ReplacingCloningVisitor):
return newcol
def replace(self, col):
- print "COL!", col
if isinstance(col, expression.FromClause) and \
self.selectable.is_derived_from(col):
return self.selectable
diff --git a/lib/sqlalchemy/sql/visitors.py b/lib/sqlalchemy/sql/visitors.py
index 31ac686e3..c5a45ffd4 100644
--- a/lib/sqlalchemy/sql/visitors.py
+++ b/lib/sqlalchemy/sql/visitors.py
@@ -286,10 +286,12 @@ def replacement_traverse(obj, opts, replace):
cloned = util.column_dict()
stop_on = util.column_set([id(x) for x in opts.get('stop_on', [])])
+ unconditional = opts.get('unconditional', False)
def clone(elem, **kw):
if id(elem) in stop_on or \
- 'no_replacement_traverse' in elem._annotations:
+ (not unconditional
+ and 'no_replacement_traverse' in elem._annotations):
return elem
else:
newelem = replace(elem)