EFCore.BulkExtensions
Dapper
EFCore.BulkExtensions | Dapper | |
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16 | 9 | |
3,472 | 13,651 | |
- | - | |
9.0 | 5.1 | |
6 days ago | about 3 years ago | |
C# | C# | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
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EFCore.BulkExtensions
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Best way to do mass inserts with Entity Framework
EF Core Bulk Extensions has helped me out many a day.
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Upserting complex data models from an API into EF Core entities
I have used this and found it to have everything I need. It has a dual license though but if it is for personal use you dont have to worry about that. https://github.com/borisdj/EFCore.BulkExtensions
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Bulk inserts/update
EF Core works for me and inserting/updating several thousand records at a time. I also found this nuget that works great https://github.com/borisdj/EFCore.BulkExtensions
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What do you use in a production application?
Using EF core with migrations. Anything that we can’t do out of the box, we can normally do with the bulk extensions (https://github.com/borisdj/EFCore.BulkExtensions). There were two specific places I had to drop back to raw SQL, one was for a specific SELECT query that needed to be optimised, the second was a stored proc doing a MERGE that we pass in a table type (upsert of 100k records)
- Does Anyone Know a FAST Way to Update Large Number of SQLite Records (LINQ or otherwise)?
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How might one create custom Entity Framework translations for things like the "IN" clause?
There is however a free nuget for EF Core which supports OP's needs https://github.com/borisdj/EFCore.BulkExtensions
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Updating multiple entities properties in EF Core
For EFCore v6, you're best using EFCore.BulkExtensions, to do something like this:
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Entity Framework Pitfalls?
I've been using this library with great success: EFCore.BulkExtensions
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EF Core Quiz #1
2nd option as you're basically doing batch save changes where batch size is 100. You should put a transaction on top of all of this though and commit at the end for data integrity reasons but that's about it. Alternatively use a NuGet that can do batch save changes (Z.EntotyFramework is paid, but https://github.com/borisdj/EFCore.BulkExtensions is free).
- C# LINQ Question
Dapper
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Working with ListView in Windows Forms
Even those the old backend code to read from a database would work, the code was rewritten using Dapper. Had to add two column aliases in SQL SELECT statements and everything worked.
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Import data from a database with Dapper and SpreadsheetLight to Excel in C#
In this article learn how to create Excel spreadsheet documents from reading data from two SQL-Server table from a modified version of Microsoft NorthWind database using NuGet package Dapper and SpreadSheetLight to create and populate the spreadsheet files.
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Multiple Result Sets for SQL-Server (C#) including Dapper
Learn how to read reference table from SQL-Server using a single method. What is shown provides an efficient way to either use a connection, command objects to read data via a SqlDataReader for conventional work using methods from SqlClient and also Dapper which requires two lines of code to read data and one line of code to store data into list.
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BREAKING!! NPM package ‘ua-parser-js’ with more than 7M weekly download is compromised
https://www.nuget.org/packages/Newtonsoft.Json/ https://www.nuget.org/packages/AutoMapper/ https://www.nuget.org/packages/Dapper/ https://www.nuget.org/packages/FluentValidation/ https://www.nuget.org/packages/FluentAssertions/ https://www.nuget.org/packages/NUnit/ https://www.nuget.org/packages/xunit/ https://www.nuget.org/packages/YamlDotNet/ https://www.nuget.org/packages/Moq/ That is simply not true. Mature c# projects purposely maintain no downstream dependencies and is they do, it's to a major reputable lib. See for yourself - these are staple third party packages commonly used. Anything dependency starting with System or NETStandard is Microsoft maintained.
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How to Build a Blazor CRUD Application with Dapper
In this blog post, we are going to discuss how to bind the Syncfusion Blazor DataGrid with a database using Dapper and perform CRUD operations. To demonstrate this, we are going to create a bug tracker database table in MS SQL Server and perform CRUD operations in that table in a Blazor server-side application.
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A couple of questions about dotnet from a Java developer :)
Entity Framework Core StackExchange/Dapper
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Requests per second 12 requests per second – Realistic Python web frameworks
Like there wouldn't be anything in between /s
There are "simple ORMs" that only map results of SQL queries to objects. They do not provide a magic query API - which is the source of most problems. I don't do Python, but for .NET there is Dapper https://github.com/StackExchange/Dapper, you can have a look what I mean. You write the SQL query, explicitly execute it, the library maps the results of that query into objects (it's C#, so you have to declare the class. In Python I'd imagine it would create the object for you)
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Why would I even bother using Dapper?
To add some differences: EF tracks object state in an instance of a context, Dapper does not. Dapper is strictly for object mapping (taking the output of a query and mapping it onto an object). This makes Dapper far easier to implement, versus EF’s DbContext configuration. Due to the lack of tracking and slimmer wrapping, it’s also faster. Things get really great when you have multiple complex objects and multiple result sets. It takes a lot of boring boilerplate code out of your code.
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Plans for Entity Framework Core 6.0 revealed as Microsoft admits it is unlikely to match Dapper for performance
Just take a look at this Dapper 2.0 feature that's been festering for months years.
What are some alternatives?
EntityFramework-Plus - Entity Framework Plus extends your DbContext with must-haves features: Include Filter, Auditing, Caching, Query Future, Batch Delete, Batch Update, and more
LINQ to DB - Linq to database provider.
efcore.pg - Entity Framework Core provider for PostgreSQL
PetaPoco - Official PetaPoco, A tiny ORM-ish thing for your POCO's
EntityFramework.Exceptions - Handle database errors easily when working with Entity Framework Core. Supports SQLServer, PostgreSQL, SQLite, Oracle and MySql.
Entity Framework - EF Core is a modern object-database mapper for .NET. It supports LINQ queries, change tracking, updates, and schema migrations.
ASP.NET Core - ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
MongoDB Repository pattern implementation
efcore-tests - Análise do funcionamento do método SaveChanges do Entity Framework Core
NPoco - Simple microORM that maps the results of a query onto a POCO object. Project based on Schotime's branch of PetaPoco
FlexLabs.Upsert - FlexLabs.Upsert is a library that brings UPSERT functionality to common database providers for Entity Framework in their respective native SQL syntax
NHibernate - NHibernate Object Relational Mapper