---Models in module 'purchase'---
---Fields in module 'purchase'---
purchase     / purchase.order           / activity_user_id (many2one)   : not related anymore
purchase     / purchase.order           / activity_user_id (many2one)   : now a function
purchase     / purchase.order           / message_main_attachment_id (many2one): DEL relation: ir.attachment
purchase     / purchase.order           / rating_ids (one2many)         : NEW relation: rating.rating
purchase     / purchase.order.line      / discount (float)              : NEW hasdefault: compute
purchase     / res.partner              / buyer_id (many2one)           : NEW relation: res.users
purchase     / res.partner              / supplier_invoice_count (integer): previously in module account
purchase     / res.users                / supplier_invoice_count (integer): previously in module account
---XML records in module 'purchase'---
NEW ir.ui.view: purchase.document_tax_totals
NEW ir.ui.view: purchase.product_template_search_view_purchase
NEW ir.ui.view: purchase.product_view_kanban_catalog_purchase_only
NEW ir.ui.view: purchase.product_view_search_catalog
NEW ir.ui.view: purchase.view_product_product_supplier_inherit
