NH-3336 - Fix error "MySQL doesn't yet support 'LIMIT & IN/ALL/ANY/SOME subquery" by wrapping queries with limits into subquery

Author: hazzik

src/NHibernate/Dialect/MySQLDialect.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Data;
-using System.Data.Common;
+using System.Data.Common;
+using System.Globalization;
 using System.Text;
 using NHibernate.Dialect.Function;
 using NHibernate.Dialect.Schema;
@@ -177,10 +178,12 @@ public override bool SupportsSubSelects
 			get { return false; }
 		}
 
-		public override SqlString GetLimitString(SqlString queryString, SqlString offset, SqlString limit)
-		{
-			var pagingBuilder = new SqlStringBuilder(queryString);
-			pagingBuilder.Add(" limit ");
+		public override SqlString GetLimitString(SqlString queryString, SqlString offset, SqlString limit)
+		{
+			var pagingBuilder = new SqlStringBuilder()
+				.Add("SELECT * FROM (")
+				.Add(queryString)
+				.Add(" limit ");
 
 			if (offset != null)
 			{
@@ -191,8 +194,10 @@ public override SqlString GetLimitString(SqlString queryString, SqlString offset
 			if (limit != null)
 				pagingBuilder.Add(limit);
 			else
-				pagingBuilder.Add(int.MaxValue.ToString());
+				pagingBuilder.Add(int.MaxValue.ToString(CultureInfo.InvariantCulture));
 
+			pagingBuilder.Add(") q_");
+
 			return pagingBuilder.ToSqlString();
 		}