Add migration for isMaster column to isSchedulingPublisher

src/Umbraco.Infrastructure/Migrations/Upgrade/UmbracoPlan.cs

@@ -246,6 +246,9 @@ namespace Umbraco.Cms.Infrastructure.Migrations.Upgrade
                 .To<DictionaryTablesIndexes>("{12DCDE7F-9AB7-4617-804F-AB66BF360980}")
             .As("{5AAE6276-80DB-4ACF-B845-199BC6C37538}");
 
+            // TO 9.0.0-rc4
+            To<UmbracoServerColumn>("5E02F241-5253-403D-B5D3-7DB00157E20F");
+
             // TO 9.0.0
 
         }

src/Umbraco.Infrastructure/Migrations/Upgrade/V_9_0_0/UmbracoServerColumn.cs

@@ -0,0 +1,20 @@
+using Umbraco.Cms.Infrastructure.Persistence.Dtos;
+
+namespace Umbraco.Cms.Infrastructure.Migrations.Upgrade.V_9_0_0
+{
+    public class UmbracoServerColumn : MigrationBase
+    {
+        public UmbracoServerColumn(IMigrationContext context)
+            : base(context)
+        {
+        }
+
+        /// <summary>
+        /// Adds new columns to members table
+        /// </summary>
+        protected override void Migrate()
+        {
+            ReplaceColumn<ServerRegistrationDto>(Cms.Core.Constants.DatabaseSchema.Tables.Server, "isMaster", "isSchedulingPublisher");
+        }
+    }
+}

src/Umbraco.Infrastructure/Persistence/Dtos/ServerRegistrationDto.cs

@@ -34,7 +34,7 @@ namespace Umbraco.Cms.Infrastructure.Persistence.Dtos
         [Index(IndexTypes.NonClustered)]
         public bool IsActive { get; set; }
 
-        [Column("isMaster")]
+        [Column("isSchedulingPublisher")]
         public bool IsSchedulingPublisher { get; set; }
     }
 }