nhibernateGH-3530: The SAP SQL Anywhere driver does not support the DbDataReader.GetChar method, wrap it in the NoCharDbDataReader.

Author: David Ellingsworth

src/NHibernate/Async/Driver/SapSQLAnywhere17Driver.cs

@@ -0,0 +1,29 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by AsyncGenerator.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+
+using System.Data.Common;
+using NHibernate.AdoNet;
+
+namespace NHibernate.Driver
+{
+	using System.Threading.Tasks;
+	using System.Threading;
+	public partial class SapSQLAnywhere17Driver : ReflectionBasedDriver
+	{
+
+		public override async Task<DbDataReader> ExecuteReaderAsync(DbCommand command, CancellationToken cancellationToken)
+		{
+			cancellationToken.ThrowIfCancellationRequested();
+			var reader = await (command.ExecuteReaderAsync(cancellationToken)).ConfigureAwait(false);
+
+			return new NoCharDbDataReader(reader);
+		}
+	}
+}

src/NHibernate/Driver/SapSQLAnywhere17Driver.cs

@@ -1,6 +1,9 @@
-namespace NHibernate.Driver
+using System.Data.Common;
+using NHibernate.AdoNet;
+
+namespace NHibernate.Driver
 {
-	public class SapSQLAnywhere17Driver : ReflectionBasedDriver
+	public partial class SapSQLAnywhere17Driver : ReflectionBasedDriver
 	{
 		public SapSQLAnywhere17Driver()
 			: base("Sap.Data.SQLAnywhere", "Sap.Data.SQLAnywhere.v4.5", "Sap.Data.SQLAnywhere.SAConnection", "Sap.Data.SQLAnywhere.SACommand")
@@ -14,5 +17,12 @@ public SapSQLAnywhere17Driver()
 		public override string NamedPrefix => ":";
 
 		public override bool RequiresTimeSpanForTime => true;
+
+		public override DbDataReader ExecuteReader(DbCommand command)
+		{
+			var reader = command.ExecuteReader();
+
+			return new NoCharDbDataReader(reader);
+		}
 	}
 }