Open.Database.Extensions.Core 8.0.0

dotnet add package Open.Database.Extensions.Core --version 8.0.0
NuGet\Install-Package Open.Database.Extensions.Core -Version 8.0.0
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Open.Database.Extensions.Core" Version="8.0.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Open.Database.Extensions.Core --version 8.0.0
#r "nuget: Open.Database.Extensions.Core, 8.0.0"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install Open.Database.Extensions.Core as a Cake Addin
#addin nuget:?package=Open.Database.Extensions.Core&version=8.0.0

// Install Open.Database.Extensions.Core as a Cake Tool
#tool nuget:?package=Open.Database.Extensions.Core&version=8.0.0



Useful set of utilities and abstractions for simplifying modern database operations and ensuring dependency injection compatibility.

Connection Factories

Connection factories facilitate creation and disposal of connections without the concern of a connection reference or need for awareness of a connection string. A SqlConnectionFactory is provided and can be overridden to provide more specific dependency injection configurations.

Expressive Commands

The provided expressive command classes allow for an expressive means to append parameters and execute the results without lengthy complicated setup.

Extensions are provided to create commands from connection factories.

8.0 Release Notes

  • All .ConfigureAwait(true) are now .ConfigureAwait(false) as they should be. The caller will need to .ConfigureAwait(true) if they need to resume on the calling context.
  • Added Open.Database.Extensions.MSSqlClient for Microsoft.Data.SqlClient support.
  • .NET 8.0 added to targets to ensure potential compliation and performance improvements are available.
  • Improved nullable integrity.


var result = connectionFactory
   .StoredProcedure("[procedure name]")


Instead of writing this:

var myResult = new List<T>();
using(var reader = await mySqlCommand.ExecuteReaderAsync(CommandBehavior.CloseConnection))
    while(await reader.ReadAsync())

Is now simplified to this:

var myResult = await mySqlCommand.ToListAsync(transform);

Deferred Transformation

In order to keep connection open time to a minimum, some methods cache data before closing the connection and then subsequently applying the transformations as needed.

Results<T>() and ResultsAsync<T>()

Queues all the data. Then using the provided type T entity, the data is coerced by which properties intersect with the ones available to the IDataReader.

Optionally a field to column override map can be passed as a parameter. If a column is set as null then that field is ignored (not applied to the model).


If all the columns in the database map exactly to a field: (A column that has no associated field/property is ignored.)

var people = cmd.Results<Person>();

If the database fields don't map exactly:

var people = cmd.Results<Person>(
 (Field:"FirstName", Column:"first_name"),
 (Field:"LastName", Column:"last_name")));


var people = cmd.Results<Person>(
 ("FirstName", "first_name"),
 ("LastName", "last_name"));


var people = cmd.Results<Person>(new Dictionary<string,string>{
 {"FirstName", "first_name"},
 {"LastName", "last_name"});

Retrieve() and RetrieveAsync()

Queues all the data. Returns a QueryResult<Queue<object[]>> containing the requested data and column information. The .AsDequeueingMappedEnumerable() extension will iteratively convert the results to dictionaries for ease of access.


ResultsAsync<T>() is fully asynchronous from end-to-end but returns an IEnumerable<T> that although has fully buffered the all the data into memory, has deferred the transformation until enumerated. This way, the asynchronous data pipeline is fully complete before synchronously transforming the data.



// Returns true if the transaction is successful.
public static bool TryTransaction()
=> ConnectionFactory.Using(connection =>
    // Open a connection and start a transaction.
    connection.ExecuteTransactionConditional(transaction => {

        // First procedure does some updates.
        var count = transaction
            .StoredProcedure("[Updated Procedure]")

        // Second procedure validates the results.
        // If it returns true, then the transaction is committed.
        // If it returns false, then the transaction is rolled back.
        return transaction
            .StoredProcedure("[Validation Procedure]")
            .AddParam("@ExpectedCount", count)
Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 is compatible.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
.NET Core netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 is compatible. 
.NET Framework net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (4)

Showing the top 4 NuGet packages that depend on Open.Database.Extensions.Core:

Package Downloads

Database extensions for pipelining data through channels. Includes Open.Database.Extensions.Core.


Useful set of utilities and abstractions for simplifying modern SQL Client data-access operations and ensuring DI compatibility.


Useful set of utilities and abstractions for simplifying modern data-access operations with Dataflow and ensuring DI compatibility.


Useful set of utilities and abstractions for simplifying modern SQL Client data-access operations and ensuring DI compatibility.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last updated
8.0.0 2,522 1/17/2024
7.2.0 10,289 11/9/2022
7.1.0 2,541 9/14/2022
7.0.4 1,467 7/7/2022
7.0.3 394 7/7/2022
7.0.2 1,454 7/6/2022
7.0.1 2,088 5/5/2022
7.0.0 2,183 2/28/2022
6.6.2 1,623 7/16/2020