NamedQuery parameters

From: Marcel (emmpeege..mail.com)
Date: Mon Jul 24 2006 - 10:46:37 EDT

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    Hi all,

    The following is from the wiki[1]:

    ---------------
    String[] keys = new String[] {"loginid", "password"};
    Object[] values = new String[] {"joe", "secret"};

    NamedQuery query = new NamedQuery("Login", keys, values);

    List matchingUsers = context.performQuery(query);
    ---------------

    I had presumed that this executes the query Login finding users where
    loginid = "joe" and password = "secret.

    Do the parameters need to be defined in the query beforehand? If so,
    how? If not, are they object attribute names or database attribute names?

    Cheers,

    Marcel

    [1] http://cwiki.apache.org/CAYDOC/namedquery.html

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