gistfile1.js

exports.extendCollection = {
    deleteAll : function() {
        var collection = this;

        db = Ti.Database.open(collection.config.adapter.db_name);
        db.execute(squel.delete().from(collection.config.adapter.collection_name));
        db.close();

        collection.trigger('sync');
    },

    findOneBy : function(field, value) {
        this.fetch({
            query: squel.select().from('evenements').where(field+' = '+value).limit(1).toString()
        });
        var result = this.toJSON();
        return result[0];
    },

    findOneById : function(value) {
        return this.findOneBy('id', value);
    }
}