[REF] preparation work to allows row expansion to query and display correct data when columns are already expanded (addon web_graph)
[REF] preparation work to allows row expansion to query and display correct data when columns are already expanded (addon web_graph)

havt/openerp-web,havt/openerp-web,havt/openerp-web,havt/openerp-web,havt/openerp-web