fix

MyOffice.Migration.Postgres/Migrations/20231217185452_acc_access_unique.cs

@@ -0,0 +1,28 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace MyOffice.Migrations.Postgres.Migrations
+{
+    /// <inheritdoc />
+    public partial class accaccessunique : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateIndex(
+                name: "IX_AccountAccesses_AccountId_OwnerId",
+                table: "AccountAccesses",
+                columns: new[] { "AccountId", "OwnerId" },
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_AccountAccesses_AccountId_OwnerId",
+                table: "AccountAccesses");
+        }
+    }
+}