2/3/2024 0 Comments Sl update giftlist![]() (In both cases, if no rows are found from the initial read, an insert occurs.) ![]() In the first sample, you will only ever need to locate the row(s) once. īut all this accomplishes is ensuring you may need to read the table twice to locate the row(s) to be updated. IF EXISTS (SELECT 1 FROM dbo.table WHERE PK =. Please stop using this UPSERT anti-patternĪ lot of folks will suggest this way: SET TRANSACTION ISOLATION LEVEL SERIALIZABLE.UPDATE dbo.table WITH (UPDLOCK, SERIALIZABLE) Use Caution with SQL Server's MERGE StatementĮven with this "simpler" syntax available, I still prefer this approach (error handling omitted for brevity): BEGIN TRANSACTION.By default, it doesn't protect you from concurrency and race conditions any more than multiple statements, and it introduces other dangers: wslconfig with the appropriate section and kernel config.Many people will suggest you use MERGE, but I caution you against it. Once you've compiled or obtained a custom kernel, you can specify it be used for all WSL2 instances by creating a. It's best to start from the Microsoft sources, since it has the right selection of config options for the kernel to best operate in Windows/WSL2. You can still opt in to automatic updates, and (when available) the new kernel will be upgraded via the normal Windows Update mechanism.įinally, you can certainly compile your own WSL2 kernel. wsl -update -rollback is also no longer available in these releases.įor older versions of Windows 10 that don't support wsl -update, please see answer. Because it is a user-level application, you no longer need to run wsl -update in an Administrative session. If you are using this Store version, then wsl -update will not only update the kernel itself, but also the WSL Store package with the latest version. Note: There is also currently a "Preview" release of WSL available in the Microsoft Store for Windows 11 users. Regardless, I recommend renaming (or moving to another location) the previous kernel before updating, so that you can toggle between various kernels if needed using the. If needed, you can revert to the previous kernel release with: wsl -update -rollback Note that you may need to run wsl -update in an Administrative session to update. 5.15.57.1 has just been made available as the latest Preview release (on Windows 11 Insider builds).5.10.102.1 is the latest stable kernel available via wsl -update (and automatic Windows updates) for both Windows 10 and 11 systems. ![]() However, now, as of the time of this edit: This is why wsl -update wasn't pulling it in (at the time) for the OP - It was simply not yet available for wsl -update (or Windows automatic updates either). It had just been released a few days earlier on March 8th.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |