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Allow users to always use transactions with SaveChanges #28711

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Aug 15, 2022

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@roji roji commented Aug 14, 2022

To avoid a new flag which would be weird with the existing AutoTransactionsEnabled (e.g. AutoTransactionsEnabled=false, newflag=true), I went with the controversial choice of obsoleting AutoTransactionsEnabled and replacing it with an AutoTransactionBehavior enum that has WhenNeeded (default), Never, Always. Before you start hating, remember we almost decided to remove AutoTransactionsEnabled because it's obscure and nobody uses it (or should)...

Closes #27574

@roji roji requested a review from a team August 14, 2022 22:18
/// Transactions are automatically created as needed. For example, most single SQL statements are implicitly executed within a
/// transaction, and so do not require an explicit one to be created, reducing database round trips. This is the default setting.
/// </summary>
WhenNeeded,
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Could also add a flag WhenNotInvokingStoredProcedure to avoid having to add the metadata

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Ah, you mean #28511? Writing some thoughts about the idea: #28511 (comment)

Obsoletes AutoTransactionsEnabled, replacing it with a new 3-valued
enum.

Closes dotnet#27574
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ghost commented Aug 15, 2022

Hello @roji!

Because this pull request has the auto-merge label, I will be glad to assist with helping to merge this pull request once all check-in policies pass.

p.s. you can customize the way I help with merging this pull request, such as holding this pull request until a specific person approves. Simply @mention me (@msftbot) and give me an instruction to get started! Learn more here.

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ghost commented Aug 15, 2022

Apologies, while this PR appears ready to be merged, I've been configured to only merge when all checks have explicitly passed. The following integrations have not reported any progress on their checks and are blocking auto-merge:

  1. Azure Pipelines

These integrations are possibly never going to report a check, and unblocking auto-merge likely requires a human being to update my configuration to exempt these integrations from requiring a passing check.

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@ghost ghost merged commit a6b6a2a into dotnet:main Aug 15, 2022
@roji roji deleted the EnableAutoTransactions branch August 16, 2022 00:09
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Add a flag to opt into SaveChanges transactions even where they're not necessary
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