parameterise database name

Author: SimonCropp

docs/sqlserver-ef.md

@@ -322,9 +322,9 @@ select count(d.name)
 from sys.databases as d inner join
   sys.change_tracking_databases as t on
   t.database_id = d.database_id
-where d.name = '{database}'
+where d.name = @database
 ```
-<sup><a href='/src/Delta.SqlServer/DeltaExtensions_Sql.cs#L103-L109' title='Snippet source file'>snippet source</a> | <a href='#snippet-IsTrackingEnabledSql' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Delta.SqlServer/DeltaExtensions_Sql.cs#L102-L108' title='Snippet source file'>snippet source</a> | <a href='#snippet-IsTrackingEnabledSql' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 

docs/sqlserver.md

@@ -328,9 +328,9 @@ select count(d.name)
 from sys.databases as d inner join
   sys.change_tracking_databases as t on
   t.database_id = d.database_id
-where d.name = '{database}'
+where d.name = @database
 ```
-<sup><a href='/src/Delta.SqlServer/DeltaExtensions_Sql.cs#L103-L109' title='Snippet source file'>snippet source</a> | <a href='#snippet-IsTrackingEnabledSql' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Delta.SqlServer/DeltaExtensions_Sql.cs#L102-L108' title='Snippet source file'>snippet source</a> | <a href='#snippet-IsTrackingEnabledSql' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 

src/Delta.SqlServer/DeltaExtensions_Sql.cs

@@ -97,17 +97,17 @@ from sys.tables as t inner join
     public static async Task<bool> IsTrackingEnabled(this SqlConnection connection, Cancel cancel = default)
     {
         await using var command = connection.CreateCommand();
-        var database = connection.Database;
         command.CommandText =
-            $"""
+            """
              -- begin-snippet: IsTrackingEnabledSql
              select count(d.name)
              from sys.databases as d inner join
                sys.change_tracking_databases as t on
                t.database_id = d.database_id
-             where d.name = '{database}'
+             where d.name = @database
              -- end-snippet
              """;
+        command.Parameters.AddWithValue("@database", connection.Database);
         return await command.ExecuteScalarAsync(cancel) is 1;
     }