Thank you both for your input; much appreciated!
On Sep 16, 10:09 am, "Nick Johnson (Google)" <[email protected]>
wrote:
> On Wed, Sep 16, 2009 at 6:33 AM, Larkin2 <[email protected]> wrote:
>
> > as a follow up to this - would it be possible to use the phrases I
> > describe below as entity keys so that I could just use the getbykey
> > method rather than querying for each phrase to see if it exists in the
> > Datastore? If so, does anyone know the limitations on keys - how long
> > can they be and can they contain special characters like "" ) etc...?
>
> Yes - though if your phrases are long, you should probably sha1 hash them
> and use the hash as a key.
>
> Also, if simply overwriting old data is fine, you can simply unconditionally
> insert the phrases; if they already exist, they will overwrite the old
> record.
>
> -Nick
>
>
>
> > On Sep 16, 1:03 am, Larkin2 <[email protected]> wrote:
> > > My application is comprised of semicolon delimited phrases or sentence
> > > fragments. When a user enters these phrases into a form textarea I
> > > split the contents into a list and then check to see if each phrase
> > > already exists as an entity in the datastore. This process is killing
> > > me on cpu cycles, but I'm not sure there's any alternative. Has anyone
> > > discovered techniques for efficiently searching through entity
> > > properties? I've thought about using a listproperty, but I'm not sure
> > > this will work.
>
> --
> Nick Johnson, Developer Programs Engineer, App Engine
> Google Ireland Ltd. :: Registered in Dublin, Ireland, Registration Number:
> 368047
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