Question about destructor of database and multiple use access

[Dechcaudron via Digitalmars-d-learn]

On Thursday, 28 July 2016 at 14:24:16 UTC, Suliman wrote:
> 	void dbInsert(string login, string uploading_date, string 
> geometry_type, string data)
> 	{
> 	    Statement stmt = conn.createStatement();
> 		//stmt.executeUpdate("...");
> 		// some processing of request
> 		scope(exit) stmt.close(); // closing
> 	}
>
> 	void getIMGsMetadataFromDB(Json request)
> 	{
>
> 	    Statement stmt = conn.createStatement();
>      	//stmt.executeWuery("...");
> 		// some processing of request
> 		scope(exit) stmt.close(); // closing
> 	}
> 	
> Is this code is more correct?

You'd have to go with
Statement stmt = conn.createStatement();
scope(exit) stmt.close();
//stmt.executeUpdate...
//some processing

stmt.close will be called only when leaving the scope, although 
it appears right after stmt initialization. Check this out: 
https://dlang.org/spec/statement.html#scope-guard-statement