google app engine - How to delete an entity by property in gae datastore -

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key newwordkey = keyfactory.createkey(newword_key_kind, newword_key); entity newword = new entity(newword_entity_kind, newwordkey); newword.setproperty(user_col_username, username); newword.setproperty(newword_col, word); datastore.put(newword);

i mean want delete "newword" entity property "username" ex, delete words upload user "alexis" idea ? thx

use delete entities query function:

query q = pm.newquery(newword_kind.class); q.setfilter("user_col_username == usr"); q.declareparameters("string usr"); q.deletepersistentall("alexis");

more info here

hope helps.


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