CompositeProperty Comparator -> ClauseList' object has no attribute '_select_iterable

[Former user]

The attached patch add a test_comparator for CompositeTypeTest. The error occur if you run the test

[Former user]

test_comparator

[Former user]

======================================================================
ERROR: test_comparator (__main__.CompositeTypesTest)
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Traceback (most recent call last):
  File "/home/sagblmi/projects/sqlalchemy/trunk/test/testlib/testing.py", line 548, in resolved
    return rebound(*args, **kwargs)
  File "test/orm/mapper.py", line 1719, in test_comparator
    result= sess.execute(statement)
  File "/home/sagblmi/projects/sqlalchemy/trunk/lib/sqlalchemy/orm/session.py", line 753, in execute
    clause, params or {})
  File "/home/sagblmi/projects/sqlalchemy/trunk/lib/sqlalchemy/engine/base.py", line 1274, in execute
    return proxy.execute(self, super(ProxyConnection, self).execute, object, *multiparams, **params)
  File "/home/sagblmi/projects/sqlalchemy/trunk/test/testlib/assertsql.py", line 260, in execute
    result = execute(clauseelement, *multiparams, **params)
  File "/home/sagblmi/projects/sqlalchemy/trunk/lib/sqlalchemy/engine/base.py", line 821, in execute
    return Connection.executors[c](c)(self, object, multiparams, params)
  File "/home/sagblmi/projects/sqlalchemy/trunk/lib/sqlalchemy/engine/base.py", line 868, in _execute_clauseelement
    compiled=elem.compile(dialect=self.dialect, column_keys=keys, inline=len(params) > 1),
  File "/home/sagblmi/projects/sqlalchemy/trunk/lib/sqlalchemy/sql/expression.py", line 1192, in compile
    compiler.compile()
  File "/home/sagblmi/projects/sqlalchemy/trunk/lib/sqlalchemy/sql/compiler.py", line 196, in compile
    self.string = self.process(self.statement)
  File "/home/sagblmi/projects/sqlalchemy/trunk/lib/sqlalchemy/sql/compiler.py", line 199, in process
    return obj._compiler_dispatch(self, **kwargs)
  File "/home/sagblmi/projects/sqlalchemy/trunk/lib/sqlalchemy/sql/visitors.py", line 50, in _compiler_dispatch
    return getter(visitor)(self, **kw)
  File "/home/sagblmi/projects/sqlalchemy/trunk/lib/sqlalchemy/sql/compiler.py", line 498, in visit_select
    for co in select.inner_columns
  File "/home/sagblmi/projects/sqlalchemy/trunk/lib/sqlalchemy/sql/expression.py", line 3229, in inner_columns
    return itertools.chain(*[for c in self._raw_columns](c._select_iterable))
AttributeError: 'ClauseList' object has no attribute '_select_iterable'

[Mike Bayer]

thanks for the good test case that will make this easy.

[Mike Bayer]

Ok your test wasn't quite right since you were trying to use "Edge" columns on a "Graph" query, and the issue reported was really more of an SQL expression issue. But we have added the ability to place composites within Query such as Query(Edge.start). b3337893365a720646e073806b9a379ad839a970.

[Former user]

Replying to zzzeek:

Ok your test wasn't quite right since you were trying to use "Edge" columns on a "Graph" query, and the issue reported was really more of an SQL expression issue. But we have added the ability to place composites within Query such as Query(Edge.start). b3337893365a720646e073806b9a379ad839a970. Thank you very much!!!!

[Mike Bayer]

Removing milestone: 0.5.0 (automated comment)