sq

Prashanth Govindarajan · Prashanth Govindarajan · commit 9d9f224eff93 · 2021-03-16T14:36:11.000-07:00
diff --git a/src/Microsoft.Data.Analysis/IDataView.Extension.cs b/src/Microsoft.Data.Analysis/IDataView.Extension.cs
@@ -100,12 +100,12 @@ public static DataFrame ToDataFrame(this IDataView dataView, long maxRows, param
 
             using (DataViewRowCursor cursor = dataView.GetRowCursor(activeColumns))
             {
-                List<Delegate> activeColumnDelegates = new List<Delegate>();
+                Delegate[] activeColumnDelegates = new Delegate[activeColumns.Count];
                 int columnIndex = 0;
                 foreach (DataViewSchema.Column column in activeColumns)
                 {
                     Delegate valueGetter = columns[columnIndex].GetValueGetterUsingCursor(cursor, column);
-                    activeColumnDelegates.Add(valueGetter);
+                    activeColumnDelegates[columnIndex] = valueGetter;
                     columnIndex++;
                 }
                 while (cursor.MoveNext() && cursor.Position < maxRows)

Original file line number	Diff line number	Diff line change
`@@ -100,12 +100,12 @@ public static DataFrame ToDataFrame(this IDataView dataView, long maxRows, param`
`100`	`100`
`101`	`101`	`using (DataViewRowCursor cursor = dataView.GetRowCursor(activeColumns))`
`102`	`102`	`{`
`103`		`- List<Delegate> activeColumnDelegates = new List<Delegate>();`
	`103`	`+ Delegate[] activeColumnDelegates = new Delegate[activeColumns.Count];`
`104`	`104`	`int columnIndex = 0;`
`105`	`105`	`foreach (DataViewSchema.Column column in activeColumns)`
`106`	`106`	`{`
`107`	`107`	`Delegate valueGetter = columns[columnIndex].GetValueGetterUsingCursor(cursor, column);`
`108`		`- activeColumnDelegates.Add(valueGetter);`
	`108`	`+ activeColumnDelegates[columnIndex] = valueGetter;`
`109`	`109`	`columnIndex++;`
`110`	`110`	`}`
`111`	`111`	`while (cursor.MoveNext() && cursor.Position < maxRows)`