diff options
| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2020-09-22 10:26:35 -0400 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2020-09-22 14:26:18 -0400 |
| commit | 96888aee7611c15532af2ae47e567f68c28b2474 (patch) | |
| tree | 88fa6819b09463a2b3b652c48ea9c3e370ba9443 /lib/sqlalchemy/dialects/postgresql/json.py | |
| parent | e973fd5d5712b7212624b329015633fecfd1a25c (diff) | |
| download | sqlalchemy-96888aee7611c15532af2ae47e567f68c28b2474.tar.gz | |
Deprecate negative slice indexes
The "slice index" feature used by :class:`_orm.Query` as well as by the
dynamic relationship loader will no longer accept negative indexes in
SQLAlchemy 2.0. These operations do not work efficiently and load the
entire collection in, which is both surprising and undesirable. These
will warn in 1.4 unless the :paramref:`_orm.Session.future` flag is set in
which case they will raise IndexError.
Fixes: #5606
Change-Id: I5f5dcf984a8f41ab3d0e233ef7553e77fd99a771
Diffstat (limited to 'lib/sqlalchemy/dialects/postgresql/json.py')
0 files changed, 0 insertions, 0 deletions