AspireEFPostgreSqlExtensions.AddNpgsqlDbContext<TContext> Method
Definition
Important
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Registers the given DbContext as a service in the services provided by the builder.
Enables db context pooling, retries, corresponding health check, logging and telemetry.
public static void AddNpgsqlDbContext<TContext> (this Microsoft.Extensions.Hosting.IHostApplicationBuilder builder, string connectionName, Action<Aspire.Npgsql.EntityFrameworkCore.PostgreSQL.NpgsqlEntityFrameworkCorePostgreSQLSettings>? configureSettings = default, Action<Microsoft.EntityFrameworkCore.DbContextOptionsBuilder>? configureDbContextOptions = default) where TContext : Microsoft.EntityFrameworkCore.DbContext;static member AddNpgsqlDbContext : Microsoft.Extensions.Hosting.IHostApplicationBuilder * string * Action<Aspire.Npgsql.EntityFrameworkCore.PostgreSQL.NpgsqlEntityFrameworkCorePostgreSQLSettings> * Action<Microsoft.EntityFrameworkCore.DbContextOptionsBuilder> -> unit (requires 'Context :> Microsoft.EntityFrameworkCore.DbContext)<Extension()>
Public Sub AddNpgsqlDbContext(Of TContext As DbContext) (builder As IHostApplicationBuilder, connectionName As String, Optional configureSettings As Action(Of NpgsqlEntityFrameworkCorePostgreSQLSettings) = Nothing, Optional configureDbContextOptions As Action(Of DbContextOptionsBuilder) = Nothing)Type Parameters
- TContext
The DbContext that needs to be registered.
Parameters
- builder
- IHostApplicationBuilder
The IHostApplicationBuilder to read config from and add services to.
- connectionName
- String
A name used to retrieve the connection string from the ConnectionStrings configuration section.
- configureSettings
- Action<NpgsqlEntityFrameworkCorePostgreSQLSettings>
An optional delegate that can be used for customizing options. It's invoked after the settings are read from the configuration.
- configureDbContextOptions
- Action<DbContextOptionsBuilder>
An optional delegate to configure the DbContextOptions for the context.
Exceptions
Thrown if mandatory builder is null.
Thrown when mandatory ConnectionString is not provided.
Remarks
Reads the configuration from "Aspire:Npgsql:EntityFrameworkCore:PostgreSQL:{typeof(TContext).Name}" config section, or "Aspire:Npgsql:EntityFrameworkCore:PostgreSQL" if former does not exist.
The OnConfiguring(DbContextOptionsBuilder) method can then be overridden to configure DbContext options.