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Diffstat (limited to 'lib/sqlalchemy/orm/context.py')
| -rw-r--r-- | lib/sqlalchemy/orm/context.py | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/sqlalchemy/orm/context.py b/lib/sqlalchemy/orm/context.py index 85c736e12..45df57c5d 100644 --- a/lib/sqlalchemy/orm/context.py +++ b/lib/sqlalchemy/orm/context.py @@ -1951,6 +1951,18 @@ class ORMSelectCompileState(ORMCompileState, SelectState): # make the right hand side target into an ORM entity right = aliased(right_mapper, right_selectable) + + util.warn_deprecated( + "An alias is being generated automatically against " + "joined entity %s for raw clauseelement, which is " + "deprecated and will be removed in a later release. " + "Use the aliased() " + "construct explicitly, see the linked example." + % right_mapper, + "1.4", + code="xaj1", + ) + elif create_aliases: # it *could* work, but it doesn't right now and I'd rather # get rid of aliased=True completely @@ -1975,6 +1987,18 @@ class ORMSelectCompileState(ORMCompileState, SelectState): right = aliased(right, flat=True) need_adapter = True + if not create_aliases: + util.warn( + "An alias is being generated automatically against " + "joined entity %s due to overlapping tables. This is a " + "legacy pattern which may be " + "deprecated in a later release. Use the " + "aliased(<entity>, flat=True) " + "construct explicitly, see the linked example." + % right_mapper, + code="xaj2", + ) + if need_adapter: assert right_mapper |