NH-3078 - trying its solution for PostgreSQL

Author: fredericDelaporte

src/NHibernate/Driver/NpgsqlDriver.cs

@@ -86,19 +86,5 @@ protected override void InitializeParameter(DbParameter dbParam, string name, Sq
 			if (sqlType.DbType == DbType.Currency)
 				dbParam.DbType = DbType.Decimal;
 		}
-
-		public override void AdjustCommand(DbCommand command)
-		{
-			if (DriverVersion?.Major < 3)
-				// Prior to v3, Npgsql was expecting DateTime for time. Nothing to do.
-				// https://github.com/npgsql/npgsql/issues/347
-				return;
-
-			foreach (var parameter in command.Parameters.Cast<DbParameter>().Where(x => x.DbType == DbType.Time))
-			{
-				if (parameter.Value is DateTime dateTimeValue)
-					parameter.Value = dateTimeValue.TimeOfDay;
-			}
-		}
 	}
 }

src/NHibernate/Type/TimeAsTimeSpanType.cs

@@ -62,8 +62,15 @@ public override object Get(DbDataReader rs, string name)
 
 		public override void Set(DbCommand st, object value, int index)
 		{
-			DateTime date = BaseDateValue.AddTicks(((TimeSpan)value).Ticks);
-			st.Parameters[index].Value = date;
+			if (st.Parameters[index].DbType == DbType.DateTime)
+			{
+				var date = BaseDateValue.AddTicks(((TimeSpan)value).Ticks);
+				st.Parameters[index].Value = date;
+			}
+			else
+			{
+				st.Parameters[index].Value = value;
+			}
 		}
 
 		public override System.Type ReturnedClass