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Change-Id: I734e4aec3701d7cf17813b561a1418cfeff1d473
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Also ensure the regular expression and subsequent matching
is case insensitive, add more tests
Change-Id: Ie4aa971dcbffca94e78965e22982478eccbf8597
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Regarding 0e88bcc30ed49193b91f248123f526fa30007f22, "options"
needs to be present as a key in the dictionary because Alembic
uses this as a guide to know if the backend is even capable of
reporting on foreign key options.
Change-Id: I271090f75088cfeec24315a878060f9b8a265335
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This adds `SELECT ... FOR UPDATE SKIP LOCKED`/
`SELECT ... FOR SHARE SKIP LOCKED` rendering.
Change-Id: Id1dc4f1cafc1de23f397a6f73d54ab2c58d5910d
Pull-request: https://bitbucket.org/zzzeek/sqlalchemy/pull-requests/86
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Co-authored-by: Mike Bayer <mike_mp@zzzcomputing.com>
Change-Id: Icd77ddbf851b1950f767022d67c8142b1b3c50f3
Pull-request: https://github.com/zzzeek/sqlalchemy/pull/244
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for the rest of the timing tests
Change-Id: I06a815b1500222126a4dbc2a9a5da3ef7847e321
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This allows automap to reflect tables from a schema other than the
default without the need to resort to calling MetaData.reflect
directly.
Change-Id: Ie73cb113bd6d115555c09c5efc33d27ad2c9c512
Pull-request: https://github.com/zzzeek/sqlalchemy/pull/237
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Fixes an issue where a Column would be copied with unique=True
and at the same time the UniqueConstraint would also be copied,
leading to duplicate UniqueConstraints in the target table,
when tometadata() is used. Imitates the same logic used
by index=True/Index to avoid duplicates. For some reason
a fix was implemented for Index long ago but never for
UniqueConstraint.
Change-Id: Ie622ee912a6fb8bf0ea900a8b09d78c7ebc79fc0
Fixes: #3721
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This complements the same-named parameter
available on Table.
Fixes: #3720
Change-Id: I56e081e2a551f37c3f392ca4b301c9ef82b94e59
Pull-request: https://github.com/zzzeek/sqlalchemy/pull/233
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Co-Authored-By: Mike Bayer <mike_mp@zzzcomputing.com>
Change-Id: Ie6cf2d2958d1c567324db9e08fef2d3186e97350
Pull-request: https://bitbucket.org/zzzeek/sqlalchemy/pull-requests/80
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Use new mxODBC 3.3.4 varbinary null symbol with VARBINARY
data types when value is None(based on similar change to pyodbc).
Fix a test to pass on mxODBC starting w 3.3.3 version
Change-Id: Id703ecb51ebc5db149c81fef124f673433606c7f
Pull-request: https://bitbucket.org/zzzeek/sqlalchemy/pull-requests/58
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Previously, it was impossible to have a Table that has
None for a schema name when the "schema" parameter on
MetaData was set. A new symbol sqlalchemy.schema.BLANK_SCHEMA
is added which indicates that the schema name should unconditionally
be set to None. In particular, this value must be passed within
cross-schema foreign key reflection, so that a Table which
is in the "default" schema can be represented properly.
Fixes: #3716
Change-Id: I3d24f99c22cded206c5379fd32a225e74edb7a8e
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Fixed bug in "evaluate" strategy of :meth:`.Query.update` and
:meth:`.Query.delete` which would fail to accommodate a bound
parameter with a "callable" value, as which occurs when filtering
by a many-to-one equality expression along a relationship.
Change-Id: I47758d3f5d8b9ea1a07e23166780d5f3c32b17f1
Fixes: #3700
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Change-Id: Idcd77a570b19f1b022a74d67fa8253d922dadc67
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Fixed bug where by ROW_NUMBER OVER clause applied for OFFSET
selects in SQL Server would inappropriately substitute a plain column
from the local statement that overlaps with a label name used by
the ORDER BY criteria of the statement.
Change-Id: Ic2500c886cbfc83a1ad5a2681783f008b9f23838
Fixes: #3711
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Fixed bug whereby the event listeners used for backrefs could
be inadvertently applied multiple times, when using a deep class
inheritance hierarchy in conjunction with mutiple mapper configuration
steps.
Change-Id: I712beaf4674e2323bf5b282922658020a6d00b53
Fixes: #3710
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Fixed bug whereby passing a :func:`.text` construct to the
:meth:`.Query.group_by` method would raise an error, instead
of intepreting the object as a SQL fragment.
Change-Id: I5fc2f590b76508d52e23b5fa9cf037ddea8080c3
fixes: #3706
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Fixed a bug in the result proxy used mainly by Oracle when binary and
other LOB types are in play, such that when query / statement caching
were used, the type-level result processors, notably that required by
the binary type itself but also any other processor, would become lost
after the first run of the statement due to it being removed from the
cached result metadata.
Change-Id: I751940866cffb4f48de46edc8137482eab59790c
Fixes: #3699
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Fixed bug where when using ``case_sensitive=False`` with an
:class:`.Engine`, the result set would fail to correctly accomodate
for duplicate column names in the result set, causing an error
when the statement is executed in 1.0, and preventing the
"ambiguous column" exception from functioning in 1.1.
Change-Id: If582bb9fdd057e4da3ae42f7180b17d1a1a2d98e
Fixes: #3690
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This is an old parameter no longer relevant to how SQLAlchemy
works, once the Query object was introduced. By deprecating it
we establish that we aren't supporting non-working use cases
and that we encourage applications to move off of the use of this
parameter.
Fixes: #3394
Change-Id: I25b9a38142a1537bbcb27d3e8b66a8b265140072
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To be more descriptive of the use of _mapper_zero(), rename
it to _entity_zero(), but also supply a new _mapper_zero() function
that more strictly returns a mapper. The existing
_entity_zero() function is renamed to _query_entity_zero.
_only_mapper_zero() is removed as it isn't used. Divide up the
existing calling functions to refer to the appropriate new method.
Change-Id: I8780c3235e87b4936c6daf64d9d299b22b6e1260
Fixes: #3608
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Fixes: #3512
Co-Authored-By: Mike Bayer <mike_mp@zzzcomputing.com>
Change-Id: Ibd126c50eda621e2f4120ee378f7313af2d7ec3c
Pull-request: https://github.com/zzzeek/sqlalchemy/pull/193
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Keystone and others depend on the .property attribute being
"mirrored" when a @hybrid_property is linked directly to a
mapped attribute. Restore this linkage and also create a defined
behavior for the .info dictionary; it is that of the hybrid itself.
Add this behavioral change to the migration notes.
Change-Id: I8ac34ef52039387230c648866c5ca15d381f7fee
References: #3653
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The docstring specified on a hybrid property or method is now honored
at the class level, allowing it to work with tools like Sphinx
autodoc. The mechanics here necessarily involve some wrapping of
expressions to occur for hybrid properties, which may cause them
to appear differently using introspection.
Fixes: #3653
Change-Id: I02549977fe8b2a051802eed7b00cc532fbc214e3
Pull-request: https://github.com/zzzeek/sqlalchemy/pull/239
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Change-Id: I040b75ff3b4110e7e8b26442a4eb226ba8c26715
Pull-request: https://github.com/zzzeek/sqlalchemy/pull/234
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fixes #3488
Change-Id: Ic9577b800e4a4e2465ec7f3a2e95bd231f5337ee
Co-Authored-By: Mike Bayer <mike_mp@zzzcomputing.com>
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number of columns we're actually reporting on
- add more tests for negative row index
- changelog/migration
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for the SQL standard LATERAL keyword, currently only supported
by Postgresql. fixes #2857
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Pull request courtesy Stefan Urbanek. fixes #1957
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:meth:`.ConnectionEvents.detach`,
:meth:`.ConnectionEvents.close_detached`.
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a savepoint being cancelled first covered in :ticket:`2696`,
the failure mode in which the :class:`.Session` is placed when a
SAVEPOINT vanishes before rollback has been improved to allow the
:class:`.Session` to still function outside of that savepoint.
It is assumed that the savepoint operation failed and was cancelled.
fixes #3680
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