Problems with Google Endpoint Querying my Datastore

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I am learning to write my own queries for the Google Datastore. I either get 0 results when their should be, or an error. I am passing in the data as a string with the email address I am looking for.

@SuppressWarnings("unchecked")
@ApiMethod(name = "findByEmail")
public User findByEmail(@Named("emailReq") String emailReq) {
    PersistenceManager mgr = null;
    List<User> users = null;
    Query query = null;

    try {
        mgr = getPersistenceManager();
        query = mgr.newQuery(User.class);
        query.setFilter("email=='emailReq'");
        query.declareParameters("String email");
        query.declareVariables(emailReq);
        users = (List<User>) query.execute(emailReq);

    }finally {
        query.closeAll();
    }
    return users.get(0);
}

asked 56 secs ago

Doug B

45