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Posted to user@ignite.apache.org by vkulichenko <va...@gmail.com> on 2017/06/09 17:36:05 UTC
Re: How to operate with cache<*Key, *> or
cache,*>?
Hi,
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Artёm Basov wrote
> Lets take example from
> https://apacheignite.readme.io/docs/affinity-collocation
> <https://apacheignite.readme.io/docs/affinity-collocation>
> with Person, Company and PersonKey classes.
>
> Lets say i want to remove persons by their ids (cache.removeAll(...)) but
> since i don't know companyId i can't create proper PersonKey.
>
> Is there a better way, than this:
> QueryCursor
> <PersonKey>
> cursor = personCache.query(new ScanQuery<PersonKey, Person>((k, v)
> -> k.getPersonId().equals("myPersonId1")), Cache.Entry::getKey);
> personCache.removeAll(new HashSet<>(cursor.getAll()));
You can use SQL DELETE for this: https://apacheignite.readme.io/docs/dml
-Val
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Re: How to operate with cache<*Key, *> or
cache,*>?
Posted by Artёm Basov <ba...@gmail.com>.
Hi, Valentine.
Thanks for your response! It's a shame i overlooked DML.
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