EntityFramework-Extensions | Entity Framework Bulk Operations | Improve Entity Framework | SQL Database library

by zzzprojects C# Version: 7.21.1 License: No License

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kandi X-RAY | EntityFramework-Extensions Summary

EntityFramework-Extensions is a C# library typically used in Database, SQL Database applications. EntityFramework-Extensions has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

Entity Framework Bulk Operations | Improve Entity Framework performance with Bulk SaveChanges, Insert, update, delete and merge for SQL Server, SQL Azure, SQL Compact, MySQL and SQLite.

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EntityFramework-Extensions has a low active ecosystem.

It has 304 star(s) with 53 fork(s). There are 22 watchers for this library.

It had no major release in the last 12 months.

There are 60 open issues and 418 have been closed. On average issues are closed in 19 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of EntityFramework-Extensions is 7.21.1

Quality

EntityFramework-Extensions has 0 bugs and 0 code smells.

Security

EntityFramework-Extensions has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

EntityFramework-Extensions code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

EntityFramework-Extensions does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

EntityFramework-Extensions releases are available to install and integrate.

Installation instructions are not available. Examples and code snippets are available.

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EntityFramework-Extensions Key Features

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EntityFramework-Extensions Examples and Code Snippets

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Community Discussions

Trending Discussions on EntityFramework-Extensions

Entity Framework Extensions Recursive Query

C# Does UpdateFromQuery work with InMemory DB?

C# Entity Framework: Bulk Extensions Input Memory Issue

Determining number of records inserted when using Zzz Entity Framework Extensions and BulkInsert

EntityFramework.BulkInsert: context does not contain a definition for BulkSaveChanges

How do I use Entity Framework Extensions BulkInsert and AllowDuplicateKeys

Entity Framework - Database generated identity is not populated after save if it is not the key of the entity

QUESTION

Entity Framework Extensions Recursive Query

Asked 2021-Mar-13 at 18:44

There is a hierarchical query support in a popular EF extensions library: https://entityframework-extensions.net/to-self-hierarchy-list.

I'm curious how does it work under the hood? Is it getting handled by SQL server, meaning that the query is translated to CTE (common table expression)?

...

ANSWER

Answered 2021-Mar-13 at 18:44

Disclaimer: I'm the owner of Entity Framework Extensions

You got it right, we indeed use a CTE in the generated SQL.

Here is how looks the SQL template:

Source https://stackoverflow.com/questions/66602023

QUESTION

C# Does UpdateFromQuery work with InMemory DB?

Asked 2020-Aug-19 at 12:39

Does UpdateFromQueryAsync work with Sql InMemory Database? It does need currently update in my current unit test.

...

ANSWER

Answered 2020-Aug-19 at 12:39

Yes,

UpdateFromQuery is compatible with InMemory database.

If you get an issue, I recommend you to report it here: https://github.com/zzzprojects/EntityFramework-Extensions/issues with a runnable example that show the error.

Source https://stackoverflow.com/questions/63476871

QUESTION

C# Entity Framework: Bulk Extensions Input Memory Issue

Asked 2020-Aug-18 at 00:41

I am currently using EF Extensions. One thing I don't understand, "its supposed to help with performance"

however placing a million+ records into List variable, is a Memory Issue itself. So If wanting to update million records, without holding everything in memory, how can this be done efficiently?

Should we use a for loop, and update in batches say 10,000? Does EFExtensions BulkUpdate have any native functionality to support this?

Example:

...

ANSWER

Answered 2020-Aug-18 at 00:03

This is actually something that EF is not made for. EF's database interactions start from the record object, and flow from there. EF cannot generate a partial UPDATE (i.e. not overwriting everything) if the entity wasn't change tracked (and therefore loaded), and similarly it cannot DELETE records based on a condition instead of a key.

There is no EF equivalent (without loading all of those records) for conditional update/delete logic such as

Source https://stackoverflow.com/questions/63459333

QUESTION

Determining number of records inserted when using Zzz Entity Framework Extensions and BulkInsert

Asked 2020-Apr-22 at 12:33

Is there a way to know how many records were inserted when using Zzz Entity Framework Extensions and BulkInsert?

Example code:

...

ANSWER

Answered 2020-Apr-22 at 12:33

It's possible to get the row affected with the option UseRowsAffected (will make the bulk operation slightly slower.

Source https://stackoverflow.com/questions/61019457

QUESTION

EntityFramework.BulkInsert: context does not contain a definition for BulkSaveChanges

Asked 2020-Mar-17 at 12:14

I'm using EF 6.1.3 and installed EntityFramework.BulkInsert-ef6.

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ANSWER

Answered 2020-Mar-17 at 12:14

You are using the wrong package.

See download link here: https://entityframework-extensions.net/download

You want to Z.EntityFramework.Extensions package: https://www.nuget.org/packages/Z.EntityFramework.Extensions/

Source https://stackoverflow.com/questions/60719404

QUESTION

How do I use Entity Framework Extensions BulkInsert and AllowDuplicateKeys

Asked 2020-Mar-09 at 13:12

I am importing data from a CSV file into a SQL Server DB, the CSV may contain duplicate entries. My existing code uses SqlBulkCopy() and "IGNORE_DUP_KEY = ON", all is well with duplicates.

I am switching to code first using EF Core with Zzz Projects Entity Framework Extensions.

Primary keys are defined in DbContext:

...

ANSWER

Answered 2020-Mar-09 at 13:12

How can I ignore duplicates without needing a specialization for ColumnPrimaryKeyExpression for every data type, but instead use my keys as defined in the DbContext?

By default, the library already takes the key from the DbContext.

In the example, c.Code was representing a custom key (The CustomerID is the real key).

If I understand correctly the problem, you need to use the following code:

Source https://stackoverflow.com/questions/60583568

QUESTION

Entity Framework - Database generated identity is not populated after save if it is not the key of the entity

Asked 2020-Feb-20 at 18:34

I have a model like

...

ANSWER

Answered 2020-Feb-20 at 18:34

Disclaimer: I'm the owner of Entity Framework Extensions