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| -rw-r--r-- | doc/build/changelog/migration_10.rst | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/doc/build/changelog/migration_10.rst b/doc/build/changelog/migration_10.rst index 4999e45de..08e26fd4b 100644 --- a/doc/build/changelog/migration_10.rst +++ b/doc/build/changelog/migration_10.rst @@ -8,7 +8,7 @@ What's New in SQLAlchemy 1.0? undergoing maintenance releases as of May, 2014, and SQLAlchemy version 1.0, released in April, 2015. - Document last updated: May 2, 2015 + Document last updated: June 9, 2015 Introduction ============ @@ -1669,6 +1669,20 @@ has always emitted a warning here and ignored addtional results for :ticket:`3249` +query.update() / query.delete() raises if used with join(), select_from(), from_self() +-------------------------------------------------------------------------------------- + +A warning is emitted in SQLAlchemy 0.9.10 (not yet released as of +June 9, 2015) when the :meth:`.Query.update` or :meth:`.Query.delete` methods +are invoked against a query which has also called upon :meth:`.Query.join`, +:meth:`.Query.outerjoin`, +:meth:`.Query.select_from` or :meth:`.Query.from_self`. These are unsupported +use cases which silently fail in the 0.9 series up until 0.9.10 where it emits +a warning. In 1.0, these cases raise an exception. + +:ticket:`3349` + + query.update() with ``synchronize_session='evaluate'`` raises on multi-table update ----------------------------------------------------------------------------------- |
