Fix 'ONLINE' is not a recognized ALTER INDEX REBUILD PARTITION option

Author: sergiisyrovatchenko

Server/Index.cs

@@ -158,7 +158,9 @@ public string GetQuery() {
                     (!IsAllowCompression
                       ? ""
                       : $"DATA_COMPRESSION = {compression}, ") +
-                    $"ONLINE = {onlineRebuild}, " +
+                    (Settings.ServerInfo.MajorVersion <= ServerVersion.Sql2012 && IsPartitioned // 'ONLINE' is not a recognized ALTER INDEX REBUILD PARTITION option
+                      ? ""
+                      : $"ONLINE = {onlineRebuild}, ") +
                     $"MAXDOP = {Settings.Options.MaxDop});";
             break;
 

Server/ServerInfo.cs

@@ -36,7 +36,7 @@ public override string ToString() => $"SQL Server {ProductVersion} " +
 
     // https://sqlperformance.com/2014/06/sql-indexes/hotfix-sql-2012-rebuilds
     public bool IsOnlineRebuildAvailable => IsAzure
-         || (MajorVersion >= ServerVersion.Sql2014 && IsMaxEdititon);
+         || (MajorVersion >= ServerVersion.Sql2008 && IsMaxEdititon);
 
     private string ProductVersion {
       get {