It worries about the 95% scenario, and gives you the tools you need most of the time. Still, if you are generating SQL strings on the fly without using parameters it is possible you may hit memory issues.ĭapper's simplicity means that many feature that ORMs ship with are stripped out. Statements that are only used once are routinely flushed from this cache. The current implementation caches this information in a ConcurrentDictionary object. Limitations and caveatsĭapper caches information about every query it runs, this allows it to materialize objects quickly and process parameters quickly. Make sure you don't provide Dapper with a property to map. In order to use Non-parameter SQL variables with MySql Connector, you have to add the following option to your connection string: Query ( "select * from User where UserTypeId = User Defined Variables in MySQL This allows you to name your parameters easily and gives you the ability to simply cut-and-paste SQL snippets and run them in your db platform's Query analyzer.Ĭonnection.
Parameters are usually passed in as anonymous classes.
#Explain plan in oracle sql developer free#
NET Core 3.1.3 (CoreCLR 4.73, CoreFX 4.71), X64 RyuJITįeel free to submit patches that include other ORMs - when running benchmarks, be sure to compile in Release and not attach a debugger ( Ctrl+ F5).Īlternatively, you might prefer Frans Bouma's RawDataAccessBencher test suite or OrmBenchmark. Intel Core i7-7700HQ CPU 2.80GHz (Kaby Lake), 1 CPU, 8 logical and 4 physical cores
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