Am Samstag, den 21.05.2005, 17:38 +0200 schrieb Christian Heimes: > Grab the Zope2 sources and read lib/python/OFS/Image.py. Zope's > OFS.Image.Image class (and also Zope3's implementation) is using a so > called possible large data class (Pdata) that is a subclass of Persistent. > > Pdata is using a simple and genious approach to minimize the memory > usage when storing large binary data in ZODB. The data is read from a > [...]
Actually Pdata has some drawbacks. When the blobsupport branch gets declared stable (I think it's not gonna happen in 3.4, but nobody told me otherwise) we'll have really good blob support without this black magic. Cheers, Christian -- gocept gmbh & co. kg - schalaunische str. 6 - 06366 koethen - germany www.gocept.com - [EMAIL PROTECTED] - phone +49 3496 30 99 112 - fax +49 3496 30 99 118 - zope and plone consulting and development
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