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Diffstat (limited to 'lib/sqlalchemy/dialects/postgresql/base.py')
| -rw-r--r-- | lib/sqlalchemy/dialects/postgresql/base.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/base.py b/lib/sqlalchemy/dialects/postgresql/base.py index 22c66dbbb..dc7987d74 100644 --- a/lib/sqlalchemy/dialects/postgresql/base.py +++ b/lib/sqlalchemy/dialects/postgresql/base.py @@ -883,6 +883,16 @@ class ARRAY(sqltypes.Concatenable, sqltypes.TypeEngine): mytable.c.data[2:7]: [1, 2, 3] }) + .. note:: + + Multi-dimensional support for the ``[]`` operator is not supported + in SQLAlchemy 1.0. Please use the :func:`.type_coerce` function + to cast an intermediary expression to ARRAY again as a workaround:: + + expr = type_coerce(my_array_column[5], ARRAY(Integer))[6] + + Multi-dimensional support will be provided in a future release. + :class:`.ARRAY` provides special methods for containment operations, e.g.:: |