![]() Var listOfEntities = dbContext.MyLargeSetOfEntities. A typical unit-of-work when using Entity Framework Core (EF Core) involves: Creation of a DbContext instance Tracking of entity instances by the context. Var timeout = () // this, as expected, returns "60" Using var dbContext = new MyDataContext() OptionsBuilder.UseSqlServer(connection, sqlServerOptions => sqlServerOptions.CommandTimeout(60)) īut then when I execute the code in my web API: UPDATE As mentioned by Pace in comments, since EF Core 2.0 you are able to use IDesignTimeDbContextFactory to change the behaviour of your context when it is being created by tooling at design time such as happens with Migrations. Protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) 7 Answers Sorted by: 79 The error message you are getting is for a Command timeout, not a connection timeout. My context object looks something like this: public class MyDataContext : DbContext That discover types that implement the interface.I am finding that neither the DatabaseFacade.SetCommandTimeout method nor the SqlServerDbContextOptionsBuilder.CommandTimeout method are having any effect on my code and instead a long running SQL command just continues indefinitely. If its more than that it keeps retrying and you never get to see the result. How arguments can be passed to this method via the various design-time tools Note: EF Core will only execute the query with less than 100 seconds time. Parameter on the CreateDbContext method is not currently It should be noted at this stage that the string args Return new SampleContext(optionsBuilder.Options) įinally, you must ensure that your context has a constructor that takes aĭbContextOptions object as a parameter: public SampleContext(DbContextOptions options) : base (options) Opts => opts.CommandTimeout(( int )TimeSpan.FromMinutes(10).TotalSeconds) I am getting timeouts using the Entity Framework (EF) when using a function import that takes over 30 seconds to complete. ![]() You should set the timeout on the DbCommand directly after creating it. Public SampleContext CreateDbContext( string args) The command timeout on the EF level is set onto the underlying command when EF creates commands internally. Context pooling allows you to pay context setup costs only once at program startup, rather. Specified for the runtime version of the context: public class SampleContextFactory : IDesignTimeDbContextFactory For these cases, EF Core can pool your context instances: when you dispose your context, EF Core resets its state and stores it in an internal pool when a new instance is next requested, that pooled instance is returned instead of setting up a new one. Minutes, as opposed to the default 30 seconds, or whatever value has been in aircraft etizolam paypal ef core connection timeout kirsten rees bristol. Override the creation of SampleContext, specifying a command timeout value of 10 Press Windows + R keys to bring up the Run command or right-click on the. The following example illustrates the use of IDesignTimeDbContextFactory to As such, it provides a hook for overriding the construction of You to configure the context in a different manner to the way it is configuredįor runtime use. you're adding the DbContext to the service collection), the command timeout can be specified in the options. If one exists, it is instantiated and its CreateDbContext method is called which returns the derived How to set command timeout in aspnetcore/entityframeworkcore c asp.net-core entity-framework-core 63,428 Solution 1 If you're using the DI container to manage the DbContext (i.e. The tools are configured to search the assembly containing theĭbContext (or the one designated as the startup assembly) for a type that This interface is only intended for use with design time tools such as Knex.js is a batteries included SQL query builder for PostgreSQL, CockroachDB, MSSQL, MySQL, MariaDB, SQLite3, Better-SQLite3, Oracle, and Amazon Redshift. Ef core connection timeout Discount thermal paper rolls. This (and other) problems associated with configuring DbContext objectsĭifferently for certain design-time tasks, such as migrations. Military Entrance Processing Command (USMEPCOM), called it a leap in medical modernization. The IDesignTimeDbContextFactory was introduced in EF Core 2.0 to alleviate Sql Server Command Timeout Application Extended Event When your code needs to reuse a previously executed query, EF Core uses the hash to lookup and return. ![]() ![]() Prior to version 2.0 of EF Core, your options were limited to changing the command timeout for the DbContext, running the migration and then resetting the timeout value (or not): public SampleContext()ĭatabase.SetCommandTimeout(( int )TimeSpan.FromMinutes(5).TotalSeconds)
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