AsyncDataAdapter ctor

Author: csbernath

DataCommander/.Net-5.0/DataCommander.Providers/AsyncDataAdapter.cs

@@ -20,7 +20,7 @@ internal sealed class AsyncDataAdapter : IAsyncDataAdapter
         private static readonly ILog Log = LogFactory.Instance.GetCurrentTypeLog();
 
         private readonly IProvider _provider;
-        private readonly IEnumerable<AsyncDataAdapterCommand> _commands;
+        private readonly IReadOnlyCollection<AsyncDataAdapterCommand> _commands;
         private readonly int _maxRecords;
         private readonly int _rowBlockSize;
         private readonly IResultWriter _resultWriter;
@@ -35,7 +35,7 @@ internal sealed class AsyncDataAdapter : IAsyncDataAdapter
 
         #endregion
 
-        public AsyncDataAdapter(IProvider provider, IEnumerable<AsyncDataAdapterCommand> commands, int maxRecords, int rowBlockSize, IResultWriter resultWriter,
+        public AsyncDataAdapter(IProvider provider, IReadOnlyCollection<AsyncDataAdapterCommand> commands, int maxRecords, int rowBlockSize, IResultWriter resultWriter,
             Action<IAsyncDataAdapter, Exception> endFill, Action<IAsyncDataAdapter> writeEnd)
         {
             _provider = provider;

DataCommander/.Net-5.0/DataCommander.Providers/Query/QueryForm.cs

@@ -1561,7 +1561,7 @@ private void ExecuteQuery()
                 SetStatusbarPanelText("Executing query...", _colorTheme != null ? _colorTheme.ForeColor : SystemColors.ControlText);
                 var statements = Provider.GetStatements(query);
                 Log.Write(LogLevel.Trace, "Query:\r\n{0}", query);
-                IEnumerable<AsyncDataAdapterCommand> commands;
+                IReadOnlyCollection<AsyncDataAdapterCommand> commands;
 
                 if (statements.Count == 1)
                 {
@@ -1588,10 +1588,13 @@ private void ExecuteQuery()
                 }
                 else
                     commands =
-                        from statement in statements
-                        select new AsyncDataAdapterCommand(null, statement.LineIndex, null,
-                            Connection.Connection.CreateCommand(new CreateCommandRequest(statement.CommandText, null, CommandType.Text, _commandTimeout,
-                                _transaction)), null, null, null);
+                        (
+                            from statement in statements
+                            select new AsyncDataAdapterCommand(null, statement.LineIndex, null,
+                                Connection.Connection.CreateCommand(new CreateCommandRequest(statement.CommandText, null, CommandType.Text, _commandTimeout,
+                                    _transaction)), null, null, null)
+                        )
+                        .ToReadOnlyCollection();
 
                 int maxRecords;
                 IResultWriter resultWriter = null;