Small optimization in MsSqlSelectParser

hazzik · hazzik · commit 796acf5853c9 · 2012-10-16T05:04:16.000+06:00
diff --git a/src/NHibernate/SqlCommand/Parser/MsSqlSelectParser.cs b/src/NHibernate/SqlCommand/Parser/MsSqlSelectParser.cs
@@ -313,7 +313,7 @@ private bool TryGetColumnDefinition(string columnNameOrIndex, out ColumnDefiniti
 			{
 				var sqlIndex = beginToken.SqlIndex;
 				var sqlLength = (endToken != null ? endToken.SqlIndex + endToken.Length : Sql.Length) - beginToken.SqlIndex;
-				var text = Sql.Substring(sqlIndex, sqlLength).ToString();
+				var text = Sql.ToString(sqlIndex, sqlLength);
 				foreach (var column in _columns)
 				{
 					if (text.Equals(column.Name, StringComparison.InvariantCultureIgnoreCase) ||

Original file line number	Diff line number	Diff line change
`@@ -313,7 +313,7 @@ private bool TryGetColumnDefinition(string columnNameOrIndex, out ColumnDefiniti`
`313`	`313`	`{`
`314`	`314`	`var sqlIndex = beginToken.SqlIndex;`
`315`	`315`	`var sqlLength = (endToken != null ? endToken.SqlIndex + endToken.Length : Sql.Length) - beginToken.SqlIndex;`
`316`		`- var text = Sql.Substring(sqlIndex, sqlLength).ToString();`
	`316`	`+ var text = Sql.ToString(sqlIndex, sqlLength);`
`317`	`317`	`foreach (var column in _columns)`
`318`	`318`	`{`
`319`	`319`	`if (text.Equals(column.Name, StringComparison.InvariantCultureIgnoreCase) \|\|`