ir.attachment: Index on res_model,res_id
ir.attachment: Index on res_model,res_id

_All_ client forms are trying to locate attachments of records, so they
are querying ir.attachment for their (res_model, res_id). Speed that up!

splbio/openobject-server,gisce/openobject-server,splbio/openobject-server,ovnicraft/openerp-server,splbio/openobject-server,vnc-biz/openerp-server,vnc-biz/openerp-server,gisce/openobject-server,ovnicraft/openerp-server,gisce/openobject-server,MarkusTeufelberger/openobject-server,MarkusTeufelberger/openobject-server,MarkusTeufelberger/openobject-server