Mike Bayer [Thu, 29 May 2014 16:28:19 +0000 (12:28 -0400)]
- disable the scrolling layout, anchors for code/params are not working,
and the current approach used for sections is not able to work for fine-grained
anchors like these, another approach needs to be taken.
Mike Bayer [Thu, 29 May 2014 00:01:21 +0000 (20:01 -0400)]
- Fixed a few edge cases which arise in the so-called "row switch"
scenario, where an INSERT/DELETE can be turned into an UPDATE.
In this situation, a many-to-one relationship set to None, or
in some cases a scalar attribute set to None, may not be detected
as a net change in value, and therefore the UPDATE would not reset
what was on the previous row. This is due to some as-yet
unresovled side effects of the way attribute history works in terms
of implicitly assuming None isn't really a "change" for a previously
un-set attribute. See also :ticket:`3061`. fixes #3060
Mike Bayer [Wed, 28 May 2014 14:56:52 +0000 (10:56 -0400)]
- a rework of doc layout and nav:
- reduce the real estate for the top nav; move the search box
into the top yellow box, close in space
- use a new CSS/js approach such that the top toolbar freezes from
scrolling at the top of the page. The left nav scrolls independently
of the content pane so that the local contents remain visible regardless
of scrolling. this approach is disabled on mobile where the dual scrollbars
may be cumbersome (overall the site is not well designed for mobile).
Mike Bayer [Sun, 25 May 2014 17:58:08 +0000 (13:58 -0400)]
- Added the ``hashable=False`` flag to the PG :class:`.HSTORE` type, which
is needed to allow the ORM to skip over trying to "hash" an ORM-mapped
HSTORE column when requesting it in a mixed column/entity list.
Patch courtesy Gunnlaugur Þór Briem. Fixes #3053
Mike Bayer [Sun, 25 May 2014 17:45:32 +0000 (13:45 -0400)]
- Fixed bug in subquery eager loading where a long chain of
eager loads across a polymorphic-subclass boundary in conjunction
with polymorphic loading would fail to locate the subclass-link in the
chain, erroring out with a missing property name on an
:class:`.AliasedClass`. fixes #3055
Mike Bayer [Sun, 25 May 2014 15:32:07 +0000 (11:32 -0400)]
- Fixed bug in SQLite join rewriting where anonymized column names
due to repeats would not correctly be rewritten in subqueries.
This would affect SELECT queries with any kind of subquery + join.
fixes #3057
Mike Bayer [Sat, 24 May 2014 20:28:23 +0000 (16:28 -0400)]
- revert the memoized committed_state / callables changes as they appear to add to lazy loading.
not really clear which approach is better in the long run.
Mike Bayer [Sat, 24 May 2014 18:35:28 +0000 (14:35 -0400)]
- Fixed bug where the :meth:`.Operators.__and__`,
:meth:`.Operators.__or__` and :meth:`.Operators.__invert__`
operator overload methods could not be overridden within a custom
:class:`.TypeEngine.Comparator` implementation.
fixes #3012
Mike Bayer [Sat, 24 May 2014 13:54:20 +0000 (09:54 -0400)]
- hyperlink all the column operators listed in the ORM tutorial common filter operators section
- add language to MATCH explicitly stating this operator varies by backend and is not available
on SQLite, as the tutorial defaults to SQLite to start with, fix #3059
- on the actual match() documentation fix this up to be more accurate, list some example renderings
for different backends. again mention SQLite not supported
Mike Bayer [Fri, 16 May 2014 15:53:12 +0000 (11:53 -0400)]
- add lots more to the profiling section
- add the query profiling recipe, fix it with a stack as we now nest those
calls occasionally
- tabs to spaces
Matthias Urlichs [Sun, 11 May 2014 14:49:56 +0000 (16:49 +0200)]
Documentation fix-up: "its" vs. "it's"
Removed ungrammatical apostrophes from documentation, replacing
"it's" with "its" where appropriate (but in a few cases with "it is"
when that read better).
While doing that, I also fixed a couple of minor typos etc.
as I noticed them.
Mike Bayer [Sun, 11 May 2014 03:26:09 +0000 (23:26 -0400)]
- Fixed ORM bug where the :func:`.class_mapper` function would mask
AttributeErrors or KeyErrors that should raise during mapper
configuration due to user errors. The catch for attribute/keyerror
has been made more specific to not include the configuration step.
fixes #3047
Mike Bayer [Sat, 10 May 2014 19:31:49 +0000 (15:31 -0400)]
- Fixed some "double invalidate" situations were detected where
a connection invalidation could occur within an already critical section
like a connection.close(); ultimately, these conditions are caused
by the change in :ticket:`2907`, in that the "reset on return" feature
calls out to the Connection/Transaction in order to handle it, where
"disconnect detection" might be caught. However, it's possible that
the more recent change in :ticket:`2985` made it more likely for this
to be seen as the "connection invalidate" operation is much quicker,
as the issue is more reproducible on 0.9.4 than 0.9.3.
Checks are now added within any section that
an invalidate might occur to halt further disallowed operations
on the invalidated connection. This includes two fixes both at the
engine level and at the pool level. While the issue was observed
with highly concurrent gevent cases, it could in theory occur in
any kind of scenario where a disconnect occurs within the connection
close operation.
fixes #3043
ref #2985
ref #2907
- add some defensive checks during an invalidate situation:
1. _ConnectionRecord.invalidate might be called twice within finalize_fairy
if the _reset() raises an invalidate condition, invalidates, raises and then
goes to invalidate the CR. so check for this.
2. similarly within Conneciton, anytime we do handle_dbapi_error(), we might become invalidated.
so a following finally must check self.__invalid before dealing with the connection
any futher.
Mike Bayer [Fri, 9 May 2014 02:44:06 +0000 (22:44 -0400)]
- Fixed bug where :meth:`.Table.update` and :meth:`.Table.delete`
would produce an empty WHERE clause when an empty :func:`.and_()`
or :func:`.or_()` or other blank expression were applied. This is
now consistent with that of :func:`.select`.
fixes #3045
Mike Bayer [Fri, 2 May 2014 22:43:12 +0000 (18:43 -0400)]
- critically, py.test for unknown reasons *SKIPS* tests that have an __init__() method.
No clue. nosetests doesn't do this. concerning that other tests might have the same issue.
Mike Bayer [Wed, 30 Apr 2014 23:06:26 +0000 (19:06 -0400)]
- Fixed bug where the combination of "limit" rendering as
"SELECT FIRST n ROWS" using a bound parameter (only firebird has both),
combined with column-level subqueries
which also feature "limit" as well as "positional" bound parameters
(e.g. qmark style) would erroneously assign the subquery-level positions
before that of the enclosing SELECT, thus returning parameters which
are out of order. Fixes #3038
Mike Bayer [Sat, 19 Apr 2014 22:49:58 +0000 (18:49 -0400)]
- The "primaryjoin" model has been stretched a bit further to allow
a join condition that is strictly from a single column to itself,
translated through some kind of SQL function or expression. This
is kind of experimental, but the first proof of concept is a
"materialized path" join condition where a path string is compared
to itself using "like". The :meth:`.Operators.like` operator has
also been added to the list of valid operators to use in a primaryjoin
condition. fixes #3029
Mike Bayer [Sat, 19 Apr 2014 16:31:19 +0000 (12:31 -0400)]
- Liberalized the contract for :class:`.Index` a bit in that you can
specify a :func:`.text` expression as the target; the index no longer
needs to have a table-bound column present if the index is to be
manually added to the table, either via inline declaration or via
:meth:`.Table.append_constraint`. fixes #3028
Mike Bayer [Thu, 17 Apr 2014 19:36:43 +0000 (15:36 -0400)]
- Revised the query used to determine the current default schema name
to use the ``database_principal_id()`` function in conjunction with
the ``sys.database_principals`` view so that we can determine
the default schema independently of the type of login in progress
(e.g., SQL Server, Windows, etc). fixes #3025
Mike Bayer [Wed, 16 Apr 2014 03:34:07 +0000 (23:34 -0400)]
- Fixed bug in new :meth:`.DialectKWArgs.argument_for` method where
adding an argument for a construct not previously included for any
special arguments would fail. fixes #3024
Mike Bayer [Fri, 11 Apr 2014 19:42:36 +0000 (15:42 -0400)]
- Added a new "disconnect" message "connection has been closed unexpectedly".
This appears to be related to newer versions of SSL.
Pull request courtesy Antti Haapala.
Mike Bayer [Fri, 11 Apr 2014 02:33:33 +0000 (22:33 -0400)]
- Fixed regression introduced in 0.9 where new "ORDER BY <labelname>"
feature from :ticket:`1068` would not apply quoting rules to the
label name as rendered in the ORDER BY.
fix #3020, re: #1068
Mike Bayer [Wed, 9 Apr 2014 21:49:16 +0000 (17:49 -0400)]
- Added new utility function :func:`.make_transient_to_detached` which can
be used to manufacture objects that behave as though they were loaded
from a session, then detached. Attributes that aren't present
are marked as expired, and the object can be added to a Session
where it will act like a persistent one. fix #3017
Mike Bayer [Wed, 2 Apr 2014 22:11:11 +0000 (18:11 -0400)]
- reverse order of columns in sample CTEs as this is a UNION and the cols need to line up
- alter this in the unit tests as well as these queries were just copied from the tests
- remove the included_parts.join(parts) from the core CTE doc (also just copied from the
test, where we want to make sure joins don't get screwed up with the CTE) as it doesn't
contribute to the query itself
fixes #3014
Mike Bayer [Tue, 1 Apr 2014 17:03:52 +0000 (13:03 -0400)]
- Fixes to the newly enhanced boolean coercion in :ticket:`2804` where
the new rules for "where" and "having" woudn't take effect for the
"whereclause" and "having" kw arguments of the :func:`.select` construct,
which is also what :class:`.Query` uses so wasn't working in the
ORM either. fixes #3013 re: #2804
Mike Bayer [Mon, 31 Mar 2014 01:20:20 +0000 (21:20 -0400)]
- Added new flag :paramref:`.expression.between.symmetric`, when set to True
renders "BETWEEN SYMMETRIC". Also added a new negation operator
"notbetween_op", which now allows an expression like ``~col.between(x, y)``
to render as "col NOT BETWEEN x AND y", rather than a parentheiszed NOT
string. fixes #2990
Mike Bayer [Fri, 28 Mar 2014 22:00:35 +0000 (18:00 -0400)]
- Added new parameter :paramref:`.mapper.confirm_deleted_rows`. Defaults
to True, indicates that a series of DELETE statements should confirm
that the cursor rowcount matches the number of primary keys that should
have matched; this behavior had been taken off in most cases
(except when version_id is used) to support the unusual edge case of
self-referential ON DELETE CASCADE; to accomodate this, the message
is now just a warning, not an exception, and the flag can be used
to indicate a mapping that expects self-refererntial cascaded
deletes of this nature. See also :ticket:`2403` for background on the
original change. re: #2403 fix #3007