[FIX] base: allow custom model to use SQL (materialized) views instead of table

closes odoo/odoo#41267

X-original-commit: f17d389c4625e95f52c299c13a3f2983127c70bc
Signed-off-by: Raphael Collet (rco) <rco@openerp.com>
Co-authored-by: Denis Ledoux <dle@odoo.com>
Co-authored-by: Raphael Collet <rco@odoo.com>

odoo/addons/base/models/ir_model.py

@@ -314,7 +314,13 @@ class IrModel(models.Model):
         cr.execute('SELECT * FROM ir_model WHERE state=%s', ['manual'])
         for model_data in cr.dictfetchall():
             model_class = self._instanciate(model_data)
-            model_class._build_model(self.pool, cr)
+            Model = model_class._build_model(self.pool, cr)
+            if tools.table_kind(cr, Model._table) not in ('r', None):
+                # not a regular table, so disable schema upgrades
+                Model._auto = False
+                cr.execute('SELECT * FROM %s LIMIT 0' % Model._table)
+                columns = {desc[0] for desc in cr.description}
+                Model._log_access = set(models.LOG_ACCESS_COLUMNS) <= columns
 
 
 # retrieve field types defined by the framework only (not extensions)

odoo/tools/sql.py

@@ -8,13 +8,6 @@ import psycopg2
 
 _schema = logging.getLogger('odoo.schema')
 
-_TABLE_KIND = {
-    'BASE TABLE': 'r',
-    'VIEW': 'v',
-    'FOREIGN TABLE': 'f',
-    'LOCAL TEMPORARY': 't',
-}
-
 _CONFDELTYPES = {
     'RESTRICT': 'r',
     'NO ACTION': 'a',
@@ -42,11 +35,12 @@ def table_exists(cr, tablename):
 
 def table_kind(cr, tablename):
     """ Return the kind of a table: ``'r'`` (regular table), ``'v'`` (view),
-        ``'f'`` (foreign table), ``'t'`` (temporary table), or ``None``.
+        ``'f'`` (foreign table), ``'t'`` (temporary table),
+        ``'m'`` (materialized view), or ``None``.
     """
-    query = "SELECT table_type FROM information_schema.tables WHERE table_name=%s"
+    query = "SELECT relkind FROM pg_class WHERE relname = %s"
     cr.execute(query, (tablename,))
-    return _TABLE_KIND[cr.fetchone()[0]] if cr.rowcount else None
+    return cr.fetchone()[0] if cr.rowcount else None
 
 def create_model_table(cr, tablename, comment=None):
     """ Create the table for a model. """