* event on query
 * add assertQueriesEquals
 * add alias for join
 * add join object
 * row can handle multiple loaders
 * join in volatile
 * manage select with alias in join query
 * add distinct
 * add left join
 * add right join
 * add select all
 * add length clause
 * condition filter with storm_collection
 * add multiple join with an helper object
 * create query from model_abstract
 * add quoteidentifier on clause
 * add sub queries and left criteria
 * add sub query exists
 * add condition with clause object
 * add inverse mode on query and condition for not exists
 * condtion filter with object
 * add trait test for query in modeltestcase
 * add trait for query and join
 * interface for storm_model_abstract and storm_model_row
 * add base loader
 * add order by with check value
 * add error management