Add incremental fill.

This commit refs #21329

connector.py

@@ -2,6 +2,7 @@
 # copyright notices and license terms.
 from trytond.model import fields
 from trytond.modules.edw.connector import BackendConnector
+from trytond.modules.edw.tools import evaluate_sql_domain
 import pymssql
 
 INSERT_QUERY = (
@@ -17,11 +18,14 @@ CREATE_QUERY = (
         """ where name='%(tablename)s' and xtype='U') """ +
         """ CREATE TABLE [%(tablename)s] (%(fields)s);""")
 
-DELETE_QUERY = (
+DROP_QUERY = (
         """IF EXISTS (select * from sysobjects """ +
         """ where name='%(tablename)s' and xtype='U') """ +
         """ DROP TABLE [%(tablename)s]; """)
 
+DELETE_QUERY = (
+        """ DELETE FROM \"%(tablename)s\" WHERE %(where)s; """)
+
 
 class BackendConnectorMSsql(BackendConnector):
     """MS SQL Connector"""
@@ -34,7 +38,7 @@ class BackendConnectorMSsql(BackendConnector):
               user=self.username, password=self.password, database=database)
         return conn
 
-    def create_table(self, fields, tablename):
+    def create(self, fields, tablename):
         query = self._get_create_query(fields, tablename)
         self.execute_query(query)
 
@@ -42,12 +46,15 @@ class BackendConnectorMSsql(BackendConnector):
         query = self._get_insert_query(tablename, results)
         self.execute_query(query, [tuple(r.values()) for r in results])
 
-    def truncate(self, tablename):
-        query = self._get_truncate_query(tablename)
+    def clean(self, tablename, domain=None):
+        if not domain:
+            query = self._get_truncate_query(tablename)
+        else:
+            query = self._get_delete_query(tablename, domain)
         self.execute_query(query)
 
-    def delete_table(self, tablename):
-        query = self._get_delete_query(tablename)
+    def drop(self, tablename):
+        query = self._get_drop_query(tablename)
         self.execute_query(query)
 
     def _get_create_query(self, fields, tablename):
@@ -71,8 +78,14 @@ class BackendConnectorMSsql(BackendConnector):
     def _get_truncate_query(self, tablename):
         return TRUNCATE_QUERY % {'tablename': tablename}
 
-    def _get_delete_query(self, tablename):
-        return DELETE_QUERY % {'tablename': tablename}
+    def _get_drop_query(self, tablename):
+        return DROP_QUERY % {'tablename': tablename}
+
+    def _get_delete_query(self, tablename, where):
+        return DELETE_QUERY % {
+            'tablename': tablename,
+            'where': where or '1=1'
+        }
 
     def get_mapped_types(self):
         return {
@@ -107,3 +120,6 @@ class BackendConnectorMSsql(BackendConnector):
                 raise e
             finally:
                 connection.close()
+
+    def evaluate_domain(self, model, domain):
+        return evaluate_sql_domain(model, domain)