Django 2.2.x Documentationthe database, unless a transaction is active. See below for details. Django uses transactions or savepoints automatically to guarantee the integrity of ORM operations that require multiple queries, especially produces an exception, Django rolls back the transaction. You may perform subtransactions using savepoints in your view code, typically with the atomic() context manager. However, at the end of the view or rolls back the transaction when exiting the outermost block. You can disable the creation of savepoints for inner blocks by setting the savepoint argument to False. If an exception occurs, Django will0 码力 | 2915 页 | 2.83 MB | 1 年前3
Django 2.1.x Documentationthe database, unless a transaction is active. See below for details. Django uses transactions or savepoints automatically to guarantee the integrity of ORM operations that require multiple queries, especially produces an exception, Django rolls back the transaction. You may perform subtransactions using savepoints in your view code, typically with the atomic() context manager. However, at the end of the view or rolls back the transaction when exiting the outermost block. You can disable the creation of savepoints for inner blocks by setting the savepoint argument to False. If an exception occurs, Django will0 码力 | 1910 页 | 6.49 MB | 1 年前3
Django 1.11.x Documentationthe database, unless a transaction is active. See below for details. Django uses transactions or savepoints automatically to guarantee the integrity of ORM operations that require multiple queries, especially produces an exception, Django rolls back the transaction. You may perform subtransactions using savepoints in your view code, typically with the atomic() context manager. However, at the end of the view or rolls back the transaction when exiting the outermost block. You can disable the creation of savepoints for inner blocks by setting the savepoint argument to False. If an exception occurs, Django will0 码力 | 1878 页 | 6.40 MB | 1 年前3
Django 1.10.x Documentationthe database, unless a transaction is active. See below for details. Django uses transactions or savepoints automatically to guarantee the integrity of ORM operations that require multiple queries, especially produces an exception, Django rolls back the transaction. You may perform subtransactions using savepoints in your view code, typically with the atomic() context manager. However, at the end of the view or rolls back the transaction when exiting the outermost block. You can disable the creation of savepoints for inner blocks by setting the savepoint argument to False. If an exception occurs, Django will0 码力 | 1817 页 | 6.19 MB | 1 年前3
Django 1.11.x Documentationthe database, unless a transaction is active. See below for details. Django uses transactions or savepoints automatically to guarantee the integrity of ORM operations that require multiple queries, especially produces an exception, Django rolls back the transaction. You may perform subtransactions using savepoints in your view code, typically with the atomic() context manager. However, at the end of the view or rolls back the transaction when exiting the outermost block. You can disable the creation of savepoints for inner blocks by setting the savepoint argument to False. If an exception occurs, Django will0 码力 | 2747 页 | 2.67 MB | 1 年前3
Django 1.10.x Documentationthe database, unless a transaction is active. See below for details. Django uses transactions or savepoints automatically to guarantee the integrity of ORM operations that require multiple queries, especially produces an exception, Django rolls back the transaction. You may perform subtransactions using savepoints in your view code, typically with the atomic() context manager. However, at the end of the view or rolls back the transaction when exiting the outermost block. You can disable the creation of savepoints for inner blocks by setting the savepoint argument to False. If an exception occurs, Django will0 码力 | 2538 页 | 2.59 MB | 1 年前3
Django 2.1.x Documentationthe database, unless a transaction is active. See below for details. Django uses transactions or savepoints automatically to guarantee the integrity of ORM operations that require multiple queries, especially produces an exception, Django rolls back the transaction. You may perform subtransactions using savepoints in your view code, typically with the atomic() context manager. However, at the end of the view or rolls back the transaction when exiting the outermost block. You can disable the creation of savepoints for inner blocks by setting the savepoint argument to False. If an exception occurs, Django will0 码力 | 2790 页 | 2.71 MB | 1 年前3
Django 2.0.x Documentationthe database, unless a transaction is active. See below for details. Django uses transactions or savepoints automatically to guarantee the integrity of ORM operations that require multiple queries, especially Django Documentation, Release 2.0.14.dev20190701080343 You may perform subtransactions using savepoints in your view code, typically with the atomic() context manager. However, at the end of the view or rolls back the transaction when exiting the outermost block. You can disable the creation of savepoints for inner blocks by setting the savepoint argument to False. If an exception occurs, Django will0 码力 | 1880 页 | 6.41 MB | 1 年前3
Django 2.0.x Documentationthe database, unless a transaction is active. See below for details. Django uses transactions or savepoints automatically to guarantee the integrity of ORM operations that require multiple queries, especially produces an exception, Django rolls back the transaction. You may perform subtransactions using savepoints in your view code, typically with the atomic() context manager. However, at the end of the view or rolls back the transaction when exiting the outermost block. You can disable the creation of savepoints for inner blocks by setting the savepoint argument to False. If an exception occurs, Django will0 码力 | 2746 页 | 2.67 MB | 1 年前3
Django 1.8.x Documentationthe database, unless a transaction is active. See below for details. Django uses transactions or savepoints automatically to guarantee the integrity of ORM operations that require multiple queries, especially produces an exception, Django rolls back the transaction. You may perform subtransactions using savepoints in your view code, typically with the atomic() context manager. However, at the end of the view or rolls back the transaction when exiting the outermost block. You can disable the creation of savepoints for inner blocks by setting the savepoint argument to False. If an exception occurs, Django will0 码力 | 1685 页 | 6.01 MB | 1 年前3
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