Hi John,
Thanks a lot for the pointer to the article!
Can I understand that what the DataStore Viewer shows as Encoded key
is what the article refers to as "prefix delta encoding scheme" ?
It is supposed to save space by in my cases keys (encoded and decoded)
are of approx same size.
didier
Cou
Yes, the kind name is used in the key along with the id/name and
ancestor path and all contribute to the size.
Details: http://code.google.com/appengine/articles/storage_breakdown.html
On 20 Jul 2010, at 15:41, Didier Durand wrote:
@John Patterson,
I did not mention the Class / Kind in my an
@John Patterson,
I did not mention the Class / Kind in my answer for the following
reason: when I go to "Datastore Viewer" in the GAE Console and for
every entity, I see "Decoded key" and "Encoded key"
The encoded key is always - at least in my experience - a huge string
whatever the size of the d
Also the class name is used in the Key as the kind. To get the
shortest keys you would need to use short class names and numeric long
ids (rather than Strings). Having small keys is important because
they are stored many times per entity in indexes and more than once
for the entity itself
Hi Mark,
I would say yes: the datastore viewer shows the data with couples
(name,value), name being the origianal attribute name in the java
class.
Moreover the doc says "Each persistent field of the class represents a
property of the entity, with the name of the property equal to the
name of the
