[whatwg] SQL API error handling
ian at hixie.ch
Tue Oct 23 01:31:47 PDT 2007
On Thu, 18 Oct 2007, Scott Hess wrote:
> > We don't have error codes for "the DOM has become corrupted" or for
> > "the Window object's properties have become corrupted", why do we need
> > one for "the Database's contents are corrupted"? Why can't the
> > database contents simply not be corrupted in the first place?
> One difference is that the database is persistent. If the DOM became
> corrupted, and you refresh the page or restart the browser, there's a
> good chance that your DOM will no longer be corrupted. If your Database
> is corrupted and you refresh the page or restart the browser, your
> Database is still corrupted.
I think the UA would be doing a poor job if it detected a database was
corrupt and didn't do something about it before the next time it started.
> You almost need an "oncorruption" handler (or maybe something more
> general). Detecting that a database is corrupt from within an
> individual statement's callback really isn't all that interesting,
> there's nothing statement-specific that you'd want to do at that point.
> But your oncorruption handler could do things like delete the corrupt
> database and the three other databases which no longer make sense
> without it, and reload the page. The default handler could just delete
> the database in question.
Yeah. We'll look into this in the next version, I guess.
On Thu, 18 Oct 2007, Køi¹tof ®elechovski wrote:
> It is normal that the disk gets full; the probability of this event is 1
> for a consumer disk. (Admittedly, the operating system can cry aloud
> and refuse to do anything when the startup volume is about to overflow
> but the database could be stored on another volume that is not protected
> that way). OTOH, it is an exceptional situation that data become
> corrupt. Therefore these two situations are not equivalent.
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
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