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* Work w/ prefetch even for selects, if presentMike Bayer2016-07-121-12/+23
| | | | | | | | | | | | | | | | | | | Fixed bug in new CTE feature for update/insert/delete stated as a CTE inside of an enclosing statement (typically SELECT) whereby oninsert and onupdate values weren't called upon for the embedded statement. This is accomplished by consulting prefetch for all statements. The collection is also broken into separate insert/update collections so that we don't need to consult toplevel self.isinsert to determine if the prefetch is for an insert or an update. What we don't yet test for are CTE combinations that have both insert/update in one statement, though these should now work in theory provided the underlying database supports such a statement. Change-Id: I3b6a860e22c86743c91c56a7ec751ff706f66f64 Fixes: #3745
* Raise exception when we have multiple values with an unknown column. Fixes ↵Athena Yao2016-03-021-1/+1
| | | | #3666.
* - CTE functionality has been expanded to support all DML, allowingMike Bayer2016-02-111-5/+42
| | | | | | | INSERT, UPDATE, and DELETE statements to both specify their own WITH clause, as well as for these statements themselves to be CTE expressions when they include a RETURNING clause. fixes #2551
* fix passing literal_binds flag through for update and insertpr/232Tim Tate2016-02-021-3/+4
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* - happy new yearMike Bayer2016-01-291-1/+1
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* - Fixed bug in :meth:`.Update.return_defaults` which would cause allMike Bayer2015-12-141-0/+1
| | | | | | | | | | | | | | insert-default holding columns not otherwise included in the SET clause (such as primary key cols) to get rendered into the RETURNING even though this is an UPDATE. - Major fixes to the :paramref:`.Mapper.eager_defaults` flag, this flag would not be honored correctly in the case that multiple UPDATE statements were to be emitted, either as part of a flush or a bulk update operation. Additionally, RETURNING would be emitted unnecessarily within update statements. fixes #3609
* - Fixed issue within the :meth:`.Insert.from_select` construct wherebyMike Bayer2015-12-091-2/+3
| | | | | | | | | | | the :class:`.Select` construct would have its ``._raw_columns`` collection mutated in-place when compiling the :class:`.Insert` construct, when the target :class:`.Table` has Python-side defaults. The :class:`.Select` construct would compile standalone with the erroneous column present subsequent to compilation of the :class:`.Insert`, and the the :class:`.Insert` statement itself would fail on a second compile attempt due to duplicate bound parameters. fixes #3603
* - Added support for parameter-ordered SET clauses in an UPDATEMike Bayer2015-11-281-1/+12
| | | | | | | | | | statement. This feature is available by passing the :paramref:`~.sqlalchemy.sql.expression.update.preserve_parameter_order` flag either to the core :class:`.Update` construct or alternatively adding it to the :paramref:`.Query.update.update_args` dictionary at the ORM-level, also passing the parameters themselves as a list of 2-tuples. Thanks to Gorka Eguileor for implementation and tests. adapted from pullreq github:200
* - The system by which a :class:`.Column` considers itself to be anMike Bayer2015-10-071-9/+82
| | | | | | | | | | | | | | | | | "auto increment" column has been changed, such that autoincrement is no longer implicitly enabled for a :class:`.Table` that has a composite primary key. In order to accommodate being able to enable autoincrement for a composite PK member column while at the same time maintaining SQLAlchemy's long standing behavior of enabling implicit autoincrement for a single integer primary key, a third state has been added to the :paramref:`.Column.autoincrement` parameter ``"auto"``, which is now the default. fixes #3216 - The MySQL dialect no longer generates an extra "KEY" directive when generating CREATE TABLE DDL for a table using InnoDB with a composite primary key with AUTO_INCREMENT on a column that isn't the first column; to overcome InnoDB's limitation here, the PRIMARY KEY constraint is now generated with the AUTO_INCREMENT column placed first in the list of columns.
* - Fixed regression in 1.0-released default-processor for multi-VALUESMike Bayer2015-08-311-0/+1
| | | | | | | | insert statement, :ticket:`3288`, where the column type for the default-holding column would not be propagated to the compiled statement in the case where the default was being used, leading to bind-level type handlers not being invoked. fixes #3520
* - copyright 2015Mike Bayer2015-03-101-1/+1
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* - refine the previous commit a bitMike Bayer2015-01-131-20/+27
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* - The multi-values version of :meth:`.Insert.values` has beenMike Bayer2015-01-131-32/+51
| | | | | | | | | | | | repaired to work more usefully with tables that have Python- side default values and/or functions, as well as server-side defaults. The feature will now work with a dialect that uses "positional" parameters; a Python callable will also be invoked individually for each row just as is the case with an "executemany" style invocation; a server- side default column will no longer implicitly receive the value explicitly specified for the first row, instead refusing to invoke without an explicit value. fixes #3288
* - :meth:`.Insert.from_select` now includes Python and SQL-expressionMike Bayer2014-10-101-20/+77
| | | | | | | defaults if otherwise unspecified; the limitation where non- server column defaults aren't included in an INSERT FROM SELECT is now lifted and these expressions are rendered as constants into the SELECT statement.
* - cyclomatic complexity: _get_colparams() becomes sql.crud._get_crud_params,Mike Bayer2014-09-271-0/+473
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