MySQL: Check for case-sensitivity

src/Umbraco.Core/Persistence/SqlSyntax/ISqlSyntaxProvider.cs

@@ -48,6 +48,7 @@ namespace Umbraco.Core.Persistence.SqlSyntax
         string FormatTableRename(string oldName, string newName);
         bool SupportsClustered();
         bool SupportsIdentityInsert();
+        bool? SupportsCaseInsensitiveQueries(Database db);
         IEnumerable<string> GetTablesInSchema(Database db);
         IEnumerable<ColumnInfo> GetColumnsInSchema(Database db);
         IEnumerable<Tuple<string, string>> GetConstraintsPerTable(Database db);

src/Umbraco.Core/Persistence/SqlSyntax/MySqlSyntaxProvider.cs

@@ -309,5 +309,27 @@ namespace Umbraco.Core.Persistence.SqlSyntax
         public override string DropIndex { get { return "DROP INDEX {0} ON {1}"; } }
 
         public override string RenameColumn { get { return "ALTER TABLE {0} CHANGE {1} {2}"; } }
+
+        public override bool? SupportsCaseInsensitiveQueries(Database db)
+        {
+            bool? supportsCaseInsensitiveQueries;
+
+            try
+            {
+                db.OpenSharedConnection();
+                var lowerCaseFileSystem = db.Fetch<int>("SELECT @@Global.lower_case_file_system");
+                var lowerCaseTableNames = db.Fetch<int>("SELECT @@Global.lower_case_table_names");
+
+                supportsCaseInsensitiveQueries = lowerCaseFileSystem.First() == 1 && lowerCaseTableNames.First() == 0;
+            }
+            finally
+            {
+                db.CloseSharedConnection();
+            }
+
+            // Could return null, which means testing failed, 
+            // add message to check with their hosting provider
+            return supportsCaseInsensitiveQueries;
+        }
     }
 }

src/Umbraco.Core/Persistence/SqlSyntax/SqlSyntaxProviderBase.cs

@@ -151,6 +151,11 @@ namespace Umbraco.Core.Persistence.SqlSyntax
             return "NVARCHAR";
         }
 
+        public virtual bool? SupportsCaseInsensitiveQueries(Database db)
+        {
+            return true;
+        }
+
         public virtual IEnumerable<string> GetTablesInSchema(Database db)
         {
             return new List<string>();