I swear by EntityFramework.Extended. Yeah that seemed like more work than what I described in the OP. Take a snapshot on instantiation and/or fetch from the database. 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. This remains the case even where a non-clustered primary key exists on the heap. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. For example would there be any difference in execution speed between UPDATE 1 and UPDATE 2 in the following: The reason I ask is that I need the row count to include the unchanged row so I know whether to do an insert if the ID does not exist. Any sort of 'last updated at' tracking would run into a severe performance problem as all updates, from all transactions, would attempt to update the one record tracking the 'last updated at'. Learn more about Stack Overflow the company, and our products. If the source is insert-only give it an IDENTITY column. Are these quarters notes or just eighth notes? So when the trigger fires it updates every row in the target table that matches but I only want to update the one that data has changed. Thanks for contributing an answer to Software Engineering Stack Exchange! How can a LEFT OUTER JOIN return more records than exist in the left table? If you use an AutoMapper and spelt "Dob" as "Doob" in your VM, it would not map "Doob" to "Dob", nor would it tell you about it! There is only a simple messages saying "something happended." It returns true if the column is in the list of values being updated. Has anyone been diagnosed with PTSD and been able to get a first class medical? Since the value is monotonically increasing, this would give you a reliable indication that data has changed if the new value is larger than it was the last time you checked it. So I can't use ref parameters (I already tried going that route). Does the order of validations and MAC with clear text matter? To get around this, I've created a private bool that is set to true if/when a new value is applied, which is determined with a method that checks if the value is different (and valid): Then, whenever I need to set the value of a property to something new, I have a single If Statement: And then of course, when all properties have been assigned their new values: So, 1) Is there a better way of doing this, and 2) is there a more concise way to run my If statement?
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