feat: add support for configuring yuniql transaction mode

This changes the default transaction mode from "session" to "version".

src/Altinn.Authorization.ServiceDefaults/src/ServiceDefaults.Npgsql.Yuniql/YuniqlDatabaseMigrator.cs

@@ -1,4 +1,5 @@
 using Altinn.Authorization.ServiceDefaults.Npgsql.Migration;
+using CommunityToolkit.Diagnostics;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.FileProviders;
 using Microsoft.Extensions.Logging;
@@ -72,7 +73,7 @@ private void MigrateDatabaseSync(string connectionString, ITraceService traceSer
             config.Environment = options.Environment;
             config.MetaSchemaName = options.MigrationsTable.Schema;
             config.MetaTableName = options.MigrationsTable.Name;
-            config.TransactionMode = "session";
+            config.TransactionMode = GetTransactionMode(options.TransactionMode);
             config.IsContinueAfterFailure = null;
             config.IsRequiredClearedDraft = false;
             config.IsForced = false;
@@ -150,6 +151,15 @@ Cancelling a running migration has the potential to corrupt the process.
         }
     }
 
+    private static string GetTransactionMode(YuniqlTransactionMode mode)
+        => mode switch
+        {
+            YuniqlTransactionMode.None => TRANSACTION_MODE.NONE,
+            YuniqlTransactionMode.Version => TRANSACTION_MODE.VERSION,
+            YuniqlTransactionMode.Session => TRANSACTION_MODE.SESSION,
+            _ => ThrowHelper.ThrowArgumentOutOfRangeException<string>(nameof(mode)),
+        };
+
     private Workspace ResolveWorkspace(YuniqlDatabaseMigratorOptions options)
     {
         if (options.WorkspaceFileProvider is null)

src/Altinn.Authorization.ServiceDefaults/src/ServiceDefaults.Npgsql.Yuniql/YuniqlDatabaseMigratorOptions.cs

@@ -43,6 +43,11 @@ public sealed class YuniqlDatabaseMigratorOptions
     /// </value>
     public bool DisableTracing { get; set; }
 
+    /// <summary>
+    /// Gets or sets the transaction mode.
+    /// </summary>
+    public YuniqlTransactionMode TransactionMode { get; set; } = YuniqlTransactionMode.Version;
+
     IEnumerable<ValidationResult> IValidatableObject.Validate(ValidationContext validationContext)
     {
         if (string.IsNullOrEmpty(Environment))
@@ -81,3 +86,24 @@ public sealed class VersionTableOptions
     /// </summary>
     public string? Schema { get; set; }
 }
+
+/// <summary>
+/// Yuniql transaction mode.
+/// </summary>
+public enum YuniqlTransactionMode
+{
+    /// <summary>
+    /// No transaction will be used (transaction per statement).
+    /// </summary>
+    None,
+
+    /// <summary>
+    /// A transaction will be used for each version.
+    /// </summary>
+    Version,
+
+    /// <summary>
+    /// A transaction will be used for each session.
+    /// </summary>
+    Session,
+}