- From: Charles Pritchard <chuck@visc.us>
- Date: Thu, 27 Jan 2011 13:23:02 -0800
- To: João Eiras <joao-c-eiras@telecom.pt>
- Cc: public-webapps WG <public-webapps@w3.org>
On Jan 27, 2011, at 12:47 PM, João Eiras <joao-c-eiras@telecom.pt> wrote: > On Thursday 27 January 2011 20:39:50 you wrote: >> On Thu, Jan 27, 2011 at 12:06 PM, Charles Pritchard <chuck@visc.us<mailto:chuck@visc.us>> wrote: >> FWIW: websql is mostly abandoned, though super handy on ios mobile devices. >> >> It's been around for a while in everything other than FF and IE. >> >> IndexedDB is live in Chrome, Firefox and the MS interop team released a prototype for IE. >> >> For the record, we haven't shipped it to stable yet, though we do have a version in the dev channel. We're hoping to ship before long though (once we get the API back up to date). >> >> Moz and webkit both just implement IDB atop of their internal sqlite processes. That is, thy create a simple websql schema. >> >> For now, yes. It's actually pretty fast though! >> >> >> On Thu, Jan 27, 2011 at 12:31 PM, João Eiras <joao-c-eiras@telecom.pt<mailto:joao-c-eiras@telecom.pt>> wrote: >> >>> Afaik, websql does not support blobs. >>> >> >> If stored as strings, it does. sqlite treats TEXT as an opaque buffer. >> >> Not all binary can be expressed at UTF16. Note that this is also a limitation of LocalStorage as well. >> > > UTF16 represents the character table user agents use when displaying a buffer of text, because nothing prevents you from doing: > > # localStorage.setItem('foobar', "\0\xff\ufeff"); > # alert(escape(localStorage.getItem('foobar'))); > > Works in Opera at least, including in web sql It's a poorly performing mechanism for binary resources such as images. We use base64 data uris: it's a big performance hit compared to createObjectUrl Blob/FileSystem.
Received on Thursday, 27 January 2011 21:23:50 UTC