On Mon, 7 Jan 2013, Ludo Brands wrote:

On 07/01/2013 16:01, Michael Van Canneyt wrote:


On Mon, 7 Jan 2013, Krzysztof wrote:




2013/1/7 Michael Van Canneyt <[email protected]>

Maybe we should make a method for this in TSQLite3Connection ?


It would be great. Because without this we can't use all opportunities of SQLite, like attaching databases or also VACUUM (trim and pack database)

I meant a method Procedure AttachDatabase(Const AFileName, AnAlias : String);
?

Other methods can also be added, of course.

A method to execute a statement outside a transaction would also be useful for the following reasons:

That will have to be database-specific.

For example Firebird does not allow you to execute statements "outside a 
transaction".

- Some statements end implicitly a transaction. Ex: http://dev.mysql.com/doc/refman/5.0/en/implicit-commit.html or all oracle DDL statements. sqldb is not aware that the transaction is terminated and its state doesn't match the db state. - You can't make a method for every database command that has to run outside a transaction.

Why not ?

If they are implemented in the specific connections, I do not see what problem there could be with that. Such methods already exist. People relying on such constructs should be aware that they are database-specific.

Problems arise only if you try to elevate some methods to TSQLConnection for something that is not supported by all databases...

Michael.

--
_______________________________________________
Lazarus mailing list
[email protected]
http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus

Reply via email to