Ef core bulk insert postgres. NET NuGet packages for PostgreSQL, including ADO.

Ef core bulk insert postgres NET 7, thus continuing to provide EF Core with the ability to efficiently bulk insert data. Optimize EF Core and EF6 with Entity Framework Extensions. In this article, I am going to discuss Bulk Operations (Insert, Update, and Delete) in Entity Framework Core (EF Core) with Examples. In addition to saving data, you also reduce your memory usage. Fully supports all EF Core and EF6 versions. 5. Does your library support PostgreSQL? If not, do you have a plan to do this later? Jan 28, 2019 · One way i could think of is to use ef-core to build a query, get the query string and then insert that string into another sql-string to run on the server. Or at least to understand how much it’s going to hurt. NET Core. EF Core tracks changes for each entity, consuming memory. Because of the wide adherence to both older and newer EF Nov 11, 2025 · Learn how to use Bulk Extensions in EF Core to boost your CRUD operations performance. Boost your performance with our method integrated within EF Core: Bulk Insert, update, delete, and merge. I understand it' Jul 19, 2024 · While EF Core provides a robust API for interacting with the database, there are scenarios where you need to call existing database views, stored procedures, or functions. Net EFCore EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on PostgreSQL Jun 22, 2025 · Unlock the power of EF Core by using Bulk Insert to improve performance dramatically by using bulk operations. If you're just getting started with EF Core, those docs are the best place to start. at Npgsql. NET NuGet packages for PostgreSQL, including ADO. Mar 4, 2021 · Unlike in EF6, EF Core's SaveChanges does not do a roundtrip for each insert when you call SaveChanges - updates are batched. By default, it uses the most efficient SQL because it doesn’t return any values—unless you explicitly ask for them. Learn more Sponsor my newsletter to reach 17,000 Jun 22, 2020 · Is it possible to append the statement to the end of the insert using entity framework core? (is there a way to access entity framework command builder and add this statement) (for upsert) Mar 31, 2024 · I'm using below extension function to Upsert data with EF Core with EFCore. -Batch ops (chunk-oriented processing): Update, Delete - Deprecated from EF8 (v7+ has native Execute-Up/Del). EntityFramework EF Core Bulk Batch Extensions for efficient CRUD operations on SQL Server, PostgreSQL, MySQL, and SQLite databases. I need to programmatically insert tens of millions of records into a Postgres database. select * from @p0. Mass insertion is still going to be faster using SqlBulkCopy (which is what EF Extensions say they use), but have you measured the throughput difference to see if it's significant for you? Bulk updates is covered by #795. If you have used Northern light bulk insert in prod, please provide review especially with SQL Server. We would like to show you a description here but the site won’t allow us. The library is compatible with popular databases like SQL Server, PostgreSQL, MySQL, and SQLite. This allows it to skip Oct 23, 2016 · This issue is about using that bulk copy API from Npgsql's Entity Framework Core provider. Its main purpose is to provide a fast way to perform simple bulk inserts in Entity Framework Core applications. Dec 3, 2024 · Learn how to perform bulk inserts with EF Core, from basic methods like Add and AddRange to advanced options using BulkExtensions and raw SQL. It is an insert into a single table. Dec 17, 2024 · When dealing with large datasets, inserting records one by one using EF Core’s default methods is inefficient and can cause: Each insert involves a round trip to the database. Note, do this in a derived DbContext so you don’t lose your customizations every time you re-scaffold. A high-performance, provider-agnostic bulk insert extension for Entity Framework Core 8+. 9K subscribers 46 Feb 17, 2025 · EntityFramework . PostgreSQL is the open source EF Core provider for PostgreSQL. Jan 31, 2022 · Additional notes SQL Server supports INSERT EXECUTE for copying the results of a sproc. I ran into a scenario where I have to create a DB and populate it with processed/calcu Jan 30, 2024 · The BulkInsertOrUpdate method throws an exception null value in column "id" of relation "table" violates not-null constraint I am using EFCore. Net for Insert Update Delete Read (CRUD), Truncate and SaveChanges operations on SQL Server, PostgreSQL, MySQL, SQLite, Oracle EntityFramework EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on PostgreSQL Entity Framework EF Core efcore Bulk Batch Extensions with BulkCopy in . InvalidOperationException: The binary import operation was started with 7 column (s), but 8 value (s) were provided. Large-scale operations can slow down the application. -Bulk operations (super fast, en masse DB Protocol): Insert, Update, Delete, Read, Upsert, Sync, SaveChanges. Presently, I'm executing thousands of insert statements in a single query. It's built on top of Apr 23, 2020 · Upsert huge amount of data by EFCore. When working with large datasets in Entity Framework Core (EF Core), you may encounter scenarios where updating multiple records in a database can be a performance bottleneck if done one record at a time. Similarly, ExecuteDelete allows us to write a query and delete the entities matching Nov 1, 2023 · The main reason people need to use Bulk Operations in EF Core is to improve their performance when importing thousand of entities. Net EFCore EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on SQL Server, PostgreSQL, MySQL, SQLite A high-performance, provider-agnostic bulk insert extension for Entity Framework Core 8+. Json DOM types (JsonDocument or JsonElement, see docs) As strongly-typed user-defined types (POCOs) (deprecated) String mapping Jun 24, 2025 · How to optimize a slow EF Core database query in Postgres: filter only needed rows, limit the number of JOINs, select only the columns you need, limit number of requests, avoid cartesian explosion and deep sub queries. Perform upsert operations on large numbers of entities with customizable options for all EF versions, including EF Core 7, 6, 5, 3, and EF6. 1 I am getting the following exception when trying to bulk insert data: System. Nov 11, 2025 · Bulk Insert Optimized with Entity Framework Extensions Instantly maximize your insert performance in EF Core 10 The BulkInsertOptimized method is a unique feature from Entity Framework Extensions. SQL Server or PostgreSQL or Oracle will all have different strategies and settings to handle all those things. Dec 18, 2024 · Learn how to perform high-performance bulk insert in Entity Framework Core (EF Core) using default methods, third-party libraries & raw SQL. PostgreSQL. 1. The table has an insert trigger that fires to executes a stored procedure that updates the record in another table B if the value… Mar 8, 2024 · Using Entity Framework Core for loading large amounts of data into database is not very efficient. The bulk operations from the EFCore. BulkExtensions to insert batches of, at most, 100,000 records into a database. NET drivers, Entity Framework Core support, and high-performance bulk insert tools. It behaves like other EF Core providers (e. The current implementation is that it takes the objects to insert, puts them in an in-memory queue, and then a background process inserts all items into the database one by one Sep 23, 2025 · 🧪 Temporary Table in Entity Framework Extensions Control how staging tables are created and used Temporary tables act as a staging area to speed up bulk operations in EF Core before the final bulk insert, update, delete, or merge. Nov 11, 2025 · Efficiently add or update Entity Framework data with EF Core Bulk Merge Extensions. If you are loading, you want to use the NpgsqlCopyIn, and if you are extracting data you can use NpgsqlCopyOut. NpgSql BinaryImport is better performant. Entity Framework Core Bulk Insert Example | Entity Framework Insert Multiple Records | Part-10 Code with Salman 13. It's built on top of EntityFramework EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on PostgreSQL Nov 11, 2025 · Bulk Update with Entity Framework Extensions Easily customize and optimize your entity updates in EF Core now The BulkUpdate method from Entity Framework Extensions is the most flexible way to update your entities in EF Core. 000. It's built on top of Apr 2, 2017 · Stored Procedure will not be as fast as any of Bulk Insert Library and will require more time on your part, but you will get for sure performance enhancement over standard way to insert with Entity Framework. Net EFCore EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on PostgreSQL Triggers for Entity Framework Core When our codebase grows, so does its complexity. The api is called around 50-100 times a minute. Mar 10, 2025 · Use NpgSql BinaryImport and Ef core bulk extension are two solutions for Bulk Insert to PostgreSql. BulkInsertAsync(entities); EFCore. Your question is a little vague on details -- I don't know the fields in your datatable or anything about your actual database, so take this as a brief example on how to bulk One step to DOUBLE the Speed for your Queries? - Its Bulk Insertion in Entity Framework Core Sep 24, 2020 · Only bulk inserts, performed by bcp, BULK INSERT or SqlBulkCopy. Feb 12, 2024 · EF Core 8’s enhanced capabilities for handling bulk operations represent a significant step forward in efficiency and performance. May 10, 2011 · Here is a performance comparison between using Entity Framework and using SqlBulkCopy class on a realistic example: How to Bulk Insert Complex Objects into SQL Server Database Nov 20, 2024 · EntityFramework . Jan 9, 2023 · With EF7 and NpgSql 7. Nov 20, 2024 · EntityFramework . Latest version is using EF Core 8 and targeting . NET, it's tempting to use foreach loops or raw SQL to insert records. In this blog post, we will explore how to call views, stored procedures, and functions using EF Core. Unfortunately, not all of them work (yet) for all database types. PhenX BulkInsert Super fast bulk insert for EF Core A high-performance, provider-agnostic bulk insert extension for Entity Framework Core 8+. Supports all 4 major databases: - SQLServer (or SqlAzure) under the hood uses SqlBulkCopy for Insert, Update Npgsql Entity Framework Core Provider Npgsql has an Entity Framework (EF) Core provider. But this question is different. May 8, 2023 · Performance guide for efficient updating using Entity Framework Core Apr 12, 2025 · EF Core is a great ORM, but when it comes to bulk data insertion, it falls short. Learn how to correctly use these methods in EF Core to ensure data consistency. Net EFCore EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on SQL Server, PostgreSQL, MySQL, SQLite Learn how to use high-performance bulk operations in EF Core with Entity Framework Extensions. Net for Insert Update Delete Read (CRUD), Truncate and SaveChanges operations on SQL Server, PostgreSQL, MySQL, SQLite - phyl Jun 6, 2022 · Transaction isolation levels and row/table locks are NOT part of EF Core - but part of the underlying database engine - so this all depends on what concrete RDBMS you're using (and accessing it with EF Core). Aug 5, 2019 · I‘ve seen a lot of questions like INSERT-IGNORE-using-EF-Core about how to insert datas into a table , which already has datas and an unique index/key, without any exceptions (if the data exists, just skip it). -AddOp (additional improvement): Truncate. BulkExtensions/README. EntityFrameworkCore. Net EFCore EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on SQL Server, PostgreSQL, MySQL, SQLite Feb 3, 2021 · I'm using EFCore. It's built on top of Entity Framework EF Core efcore Bulk Batch Extensions with BulkCopy in . NET core Asked 4 years, 5 months ago Modified 4 years, 5 months ago Viewed 5k times Apr 10, 2025 · Integrating PostgreSQL with . Net EFCore EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on PostgreSQL - 5. I have an API in asp. Unfortunately, the data will not include the auto-generated primary key (Id). BulkExtensions for bulk operation. 000, 10. BulkExtensions is a high-performance extension library for Entity Framework Core that provides bulk operations like insert, update, delete, and read. As expected COPY wins. It’s the fastest way to insert entities in EF Core. Xamarin Days Are Numbered - Are You Ready to Migrate to . Net for Insert Update Delete Read (CRUD), Truncate and SaveChanges operations on SQL Server, PostgreSQL, MySQL, SQLite Jul 29, 2016 · PostgreSQL definitely does have a bulk copy (it's actually called copy), and it has a nice wrapper for . While there is a fast way for inserting records, it is very low level mechanism which requires a lot of efforts and accurate mapping to make it work. net and C#. Net EFCore EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on PostgreSQL Sep 30, 2025 · Tools EF Core Power Tools EF Core Power Tools is a Visual Studio extension that exposes various EF Core design-time tasks in a simple user interface. BulkExtensions. Try the live benchmark now! Fast and simple bulk insert (retain client populated Ids or return db generated Ids), bulk update, bulk delete, bulk merge and bulk match for PostgreSQL. Remember the golden software rule: measure first, then optimize. NET Data Provider for SQL Server. Use the fastest Bulk Extensions to perform Bulk Insert, Bulk Update, Bulk Delete, Bulk Merge, and Bulk Upsert operations with compatibility across all EF versions, including EF Core 7, 6, 5, 3, and EF6. Feb 1, 2022 · Databases usually provide various mechanisms for efficient bulk import of data from the client (e. We found a couple of options but both are under licence: EF. BulkInsert(entities); context. EntityFramework . All providers support WITH with INSERT (WITH AS x INSERT INTO Y SELECT * FROM x) - this is important for recursive WITH queries. Is there a better way to do this, The only way you can change INSERT or UPDATE sql that Entity Framework generates is when you configure your model to use stored procedures. Another advanced example would be how do I call a stored proc in postgresql and pass the name of the cursor in and get the result set back? Has anybody tried this free Entity framework extension for bulk insert ? There 2 other bulk insert extension but they cost money. Json DOM types (JsonDocument or JsonElement, see docs) As strongly-typed user-defined types (POCOs) (deprecated) String mapping EntityFramework . With Entity Framework Extensions, you have full control over how these tables are created, named, optimized, and even persisted. Apr 13, 2024 · EF Core is too slow? Discover how you can easily insert 14x faster (reducing saving time by 94%). Use BulkInsert method in EF Core to handle thousands of entities with less memory and more control. This method will generate SQL that can be included in a raw SQL query to perform a bulk update of records identified by that query. ⚠️ BulkInsert directly inserts entities into the database — you don’t need to call SaveChanges. The second place holds INSERT INTO FROM unnest() which is fast enough to insert one or a few thousand rows. Feb 19, 2024 · I'm currently working on an enterprise project that requires some logic for bulk functionalities using Entity Framework. In contrast to pessimistic approaches - which lock data up-front and only then proceed to modify it - optimistic concurrency takes no locks, but arranges for the data modification to fail on save if the data has changed since it was queried. Mar 23, 2024 · Discover how you can easily insert 14x faster (reducing saving time by 94%). Understanding and implementing batching in EF Core is like gaining a superpower-it makes your app work smarter, not harder, and gives you a sense of control and confidence in your development process. Aug 19, 2025 · Learn how to use BatchSize, BatchTimeout, and BatchDelayInterval in Entity Framework Extensions to optimize performance during bulk operations. Net for Insert Update Delete Read (CRUD), Truncate and SaveChanges operations on SQL Server, PostgreSQL, MySQL, SQLite, Oracle - EFCore. md at master · borisdj/EFCore. 000, 100. Performance guide for efficient updating using Entity Framework Core Learn how to optimize SQL bulk inserts in Business Central for improved performance and scalability. Apr 1, 2025 · Explore the best solution on the market for fast Bulk Inserts in EF Core with Entity Framework Extensions Library. I'll show you the results for inserting 100, 1. An approach on how to create and use temp tables with Entity Framework Core 3. NET Core App to PostgreSQL using Entity Framework PostgreSQL is the most popular … Frameworks Dependencies Used By Versions Npgsql Entity Framework Core provider for PostgreSQL Npgsql. PostgreSQL even allows capturing the results of an UPDATE RETURNING with WITH, and inserting them into a table. Use the options below to decide Nov 11, 2025 · Bulk Update with Entity Framework Extensions Easily customize and optimize your entity updates in EF Core now The BulkUpdate method from Entity Framework Extensions is the most flexible way to update your entities in EF Core. One way of managing this growing complexity is by leveraging triggers. Mar 5, 2021 · I use EF Core for PostgreSQL as explained here. Jun 25, 2020 · Reach better Entity Framework Core performance by using temp tables. Select the most optimal option in terms of performance and memory usage. It allows you to customize how your entities will be updated, such as by specifying a custom key, updating only a few properties, and much more. ThrowHelp Dec 3, 2024 · Learn how to perform bulk inserts with EF Core, from basic methods like Add and AddRange to advanced options using BulkExtensions and raw SQL. 2) use SqlBulkCopy. For EF Core: 8-10. Supports SQL Server, PostgreSQL, SQLite, MySQL and Oracle. Why did I develop this feature? The AddRange () method can be used to batch insert data in Entity Framework Core. It includes reverse engineering of DbContext and entity classes from existing databases and SQL Server DACPACs, and model visualizations and diagrams. Entity Framework “classic” was introduced in 2008, was superseded nearly a decade later by EF Core, and continues to add significant feature additions and performance improvements today. Jan 6, 2020 · Did comparison of different insertion methods supported by PostgreSQL. NET / EF Core. EF Core already supports batched updates, where if you do several updates and then call SaveChanges(), these will all be done in a single roundtrip (rather than a roundtrip-per-update). Improve your database operations - try it now. Oct 23, 2023 · You didn't post any code that retrieves the new IDs. NET 9 Using EF Core: A Step-by-Step Guide A Practical Example of Connecting an ASP . The Npgsql EF Core provider allows you to map PostgreSQL JSON columns in three different ways: As simple strings As EF owned entities As System. BulkInsert, BulkUpdate, BulkDelete, BulkMerge, BulkSynchronize and WhereBulkContains methods. Mar 7, 2023 · Disclaimer: This blog post was written by a protein-based intelligence. GitHub wiki Jul 3, 2024 · Otherwise, if you are looking to insert multiple entities, you can use the SqlBulkCopy (which is free) or use a third-party library that you are probably aware of, such as the Bulk Insert or Bulk Insert Optimized methods offered by EFE. Discover how to save entities faster and by using less memory. Net for Insert Update Delete Read (CRUD), Truncate and SaveChanges operations on SQL Server, PostgreSQL, MySQL, SQLite - sanamhub/borisdj-efcore-bulk Jul 11, 2023 · 1) Call SaveChanges once and ef core will batch some sql statements together. Jul 14, 2022 · If you’re using the Entity Framework DB First approach you will need to create the sequence yourself and set the key of the Blog entity to use the sequence as per the second highlighted block above. Net for Insert Update Delete Read (CRUD), Truncate and SaveChanges operations on SQL Server, PostgreSQL, MySQL, SQLite, Oracl Jun 20, 2022 · EntityFramework EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on SQL Server, PostgreSQL, SQLite EntityFramework . 0 may help with this scenario. Library is Lightweight and very Efficient, having all mostly used CRUD operation. Comment Use comments to ask for clarification, additional information, or improvements to the question. ToQueryString method introduced in Entity Framework Core 5. 5 million rows (uuid id, integer productId, integer rankType, text rankKey, integer position), no indexes except PK, every 10 minutes I need to empty/regenerate the entire table based on a few calculations in code, product ids vary so this is a delete/insert, not update. Learn how to use a PostgreSQL database and which providers to install for Entity Framework Core. The third fastest way is batched INSERT used by Entity Framework, but it's limited by 32767 parameters or by a row count equals to 32767 divided by number of inserting columns. Control batch size, timeout, and delay with flexible configuration options. Optimize your database operations - try it now. 2 days ago · When we take a look at the generated SQL commands (by using SQL Extended Events) we notice that Entity Framework generates multiple SQL insert statements. Dec 28, 2021 · I need to upload bulk data into a database through an API and I am looking at using EFCore. My issue is, for some reason, BulkInsertAsync does not insert any records to the DB. Bulk Extensions are made on DbContext and are used with entities List (supported both regular and Async methods): context. Does the documentation have these examples? I can't seem to find advanced examples in the documentation. 5 - a C# package on NuGet Jun 24, 2025 · How to optimize a slow EF Core database query in Postgres: filter only needed rows, limit the number of JOINs, select only the columns you need, limit number of requests, avoid cartesian explosion and deep sub queries. Dec 25, 2024 · This article delves into strategies for performing bulk updates in EF Core, ensuring your applications remain efficient and performant. Entity Framework EF Core efcore Bulk Batch Extensions with BulkCopy in . Net 8. This concurrency failure is reported to the Apr 8, 2025 · EF Core offers ExecuteUpdate and ExecuteDelete batch operations that allow updating and deleting multiple entities in a single SQL query without retrieving them from the database. BulkExtensions is an open-source library that extends Entity Framework Core (EF Core) by providing high-performance bulk operations. But in Entity Framework Core (EF Core), there's a better way — efficient, clean, and scalable. Learn what bulk operations are, why you should use it and how easily you can implement it in your project. NET application) into the database. Sep 27, 2024 · Frameworks Dependencies Used By Versions Npgsql Entity Framework Core provider for PostgreSQL Npgsql. It minimizes round trips to the database, saves resources, and makes your app faster. NET O/RM from Microsoft, and use familiar LINQ syntax to express queries. . 000 records. - phongnguyend/EntityFrameworkCore. The only way you can change INSERT or UPDATE sql that Entity Framework generates is when you configure your model to use stored procedures. What does Entity Framework HILO Insert SQL look like? Let’s say we are running this code Here, you will learn how to insert the created date when a new record is added and set the modified date when an existing record is updated without setting dates manually on each entity in EF Core Code-First approach. BulkExtensions… Jul 3, 2024 · Describes bulk copy functionality in the SqlClient . Jul 5, 2023 · EF Core implements optimistic concurrency, which assumes that concurrency conflicts are relatively rare. However, since Entity Framework Core still does not provide efficient bulk data insertion, I upgraded this open-source project to . BulkExtensions I'm using below extension function to Upsert data with EF Core with EFCore. On SQL server afaik, there is no safe way to merge records without locking in a concurrent environment. EntityFrameworkCore extensions: -Bulk operations (Insert, Update, Delete, Read, Upsert, Sync, SaveChanges) -Batch ops (Delete, Update) and Truncate. Easily speed up your . Core. Apr 28, 2024 · Learn to set up and use the Npgsql Entity Framework Core provider in . This guide shows how to handle bulk inserts in EF Core the right way — especially when inserting hundreds or thousands of records. BulkExtensions Entity framwork core extension to perform Postgres bulk copy - Fazzani/pg-efcore-copy Jun 21, 2025 · Unlock the power of EF Core using the PostgreSQL Provider. Jan 3, 2020 · Yes, there is already the question Bulk Insert Optimization in . We will compare EF Core, raw SQL with Dapper, EF Bulk extensions, and the SqlBulkCopy class. net 7, with the latest Entity Framework. It allows you to interact with PostgreSQL via the most widely-used . Includes complete examples for CRUD and upsert operations using PostgreSQL. Oct 28, 2024 · I have a Web API based on EF Core 8 that inserts a record per time into a table A based on a post to one of its endpoints. Try it now. Are you sure it updates the objects it inserts? Aug 12, 2018 · I use "Npgsql. Entity Framework Core Bulk Batch Extensions in . Getting the query string is currently not easy but apparently it will be with EF Core 5. It significantly improves performance when working with large datasets and supports batching, upserts, and change tracking. But if you’re going to use one of them, it’s probably a good idea to make sure you’re not choosing a library that has really bad performance. NET MAUI? Microsoft's decision to Mar 22, 2017 · I am looking for examples on how to do bulk insert/updates into postgresql with dotConnect for PostgreSQL using ADO. Oct 24, 2023 · A lightweight, extensible, open-source, and cross-platform version of the Entity Framework data access technology. In this post, we’ll build a simple EF Core extension method that uses SqlBulkCopy under the hood to insert large datasets efficiently — and most Mar 24, 2025 · This article explores the top . Net EFCore EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on PostgreSQL Entity Framework EF Core efcore Bulk Batch Extensions with BulkCopy in . Aug 16, 2024 · Newsletter Sponsors EF Core is too slow? Discover how you can easily insert 14x faster (reducing saving time by 94%). Net EFCore EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on PostgreSQL Learn how to use the Bulk Merge (Upsert – add or update) method from Entity Framework Extensions to efficiently merge entities in your database. The standard AddRange + SaveChanges pattern results in individual SQL INSERT statements — which quickly becomes a performance bottleneck with thousands of records. Bulk Copy (Bulk Insert) Some database servers provide functionality to insert large amounts of data into a table in more effective way compared to conventional inserts. Jun 27, 2025 · When working with large datasets in . 000, and 1. SimpleBulks Apr 26, 2023 · In this article, we will review multiple ways of performing fast inserts of bulk data into a database using the Entity Framework (EF for short). A nice ExecuteUpdate allows us to write a query and run a bulk update operation on the entities matching that query. I want to execute some raw sql queries that return rows. 0. NET. The EF Core bulk insert method from Entity Framework Extensions extends your DbContext or DbSet, and under the hood, it uses the best available bulk insert mechanism for your provider — like SqlBulkCopy for SQL Server. The most simple is this one (it may look strange as it returns exactly what is inserted but Jun 4, 2025 · EFCore. Apr 21, 2017 · The IQueryable. Join 5,000+ satisfied customers who have trusted our library since 2014. Bulk copy is a fast way to load large amounts of data into SQL Server. EntityFramework EF Core Bulk Batch Extensions for efficient Insert, Update, Delete, and Read (CRUD) operations on SQL Server, PostgreSQL, MySQL, and SQLite. 3) define a TVP and insert () . You can then modify the sql generated in the Up migration for creating the insert and update procedures to use your MERGE sql rather than INSERT and UPDATE Frameworks Dependencies Used By Versions Npgsql Entity Framework Core provider for PostgreSQL Npgsql. BulkExtensions NuGet package can help in such scenarios. Click here to learn more. NET Core apps using methods like BulkInsert, BulkUpdate, BulkDelete, BulkRead, and BulkSaveChanges. Net for Insert Update Delete Read (CRUD), Truncate and SaveChanges operations on SQL Server, PostgreSQL, MySQL, SQLite - jcmdsbr/ef-core-bulk-exte Feb 1, 2025 · Batching is all about doing more with less. SQL Server), so the general EF Core docs apply here as well. BulkExtensions, but the issue is the execution for this function when I tried to insert 2 millions record is taking around Apr 2, 2024 · I am using LINQ to DB with the linq2db. Nov 11, 2025 · Boost your EF Core inserts performance by up to 15x, reducing insert time by 94% with Bulk Insert from Entity Framework Extensions. insert into your target table using on conflict key resolution to safely merge records from your temp table. With EF, I just save the records with a 0 in the Id property and they use the sequence I set up on the Entity Framework EF Core Bulk Batch Extensions in . BulkExtensions, but the issue is the execution for this function when I tried to insert 2 millions record is taking aroun Optimize EF Core and EF6 with Entity Framework Extensions. Essentially this means that we’re able to run arbitrary code whenever a database commit occurs. Oct 7, 2021 · PostgreSQL has COPY for inserting a bulk of records and if you are worrying about performance you can use such ability which is provided by Npgsql. Luckily for us, EF Core already provides the necessary infrastructure to embrace triggers. g. We already have issues tracking improving INSERT performanc Jun 5, 2021 · Bulk insert into PostgreSQL using dapper in . EntityFramework EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on PostgreSQL Aug 19, 2025 · Learn how to use BatchSize, BatchTimeout, and BatchDelayInterval in Entity Framework Extensions to optimize performance during bulk operations. EntityFrameworkCore for bulk-entering of some records. Mar 21, 2025 · Entity Framework Core (EF Core) continues to evolve, offering developers powerful tools to optimize database interactions. Each statement inserts multiple customers at once, which seems to be the cause of our next speed gain. . The api takes a record as input, and inserts it into the database as is. I have a small PostgreSQL table 1. Those operations all insert a large amount of data using minimal logging - instead of logging individual row operations, the entire data pages inserted are logged. Jun 7, 2016 · EntityFramework . Batching minimizes roundtrips, enhancing performance for bulk updates and Entity Framework EF Core efcore Bulk Batch Extensions with BulkCopy in . Text. in a previous blog post , I showed you how to use PostgreSQL in C# with Npgsql, Dapper, and Entity Framework Core. When dealing with large amounts of data, standard EF Core operations can be inefficient due to multiple database round trips and extensive change tracking. The project you're using isn't part of EF Core. PostgreSQL" with EF Core in the project. trnc pwffmt omre vyckq oeelq hfidue wsqnq eetm ayecqf otzib jndsrqv iow rukt sokes xrmiag