Merge branch 'oca-port-from-14.0-to-12.0-pr-1651' of git+ssh://github…

….com/efatto/sale-workflow into 12.0

sale_discount_display_amount/hooks.py

@@ -3,6 +3,7 @@
 import logging
 from odoo.api import Environment
 from odoo import SUPERUSER_ID
+from odoo.tools.sql import column_exists, create_column
 
 _logger = logging.getLogger(__name__)
 
@@ -17,20 +18,10 @@
 
 
 def pre_init_hook(cr):
-    _logger.info("Create discount columns in database")
-    cr.execute("""
-        ALTER TABLE sale_order ADD COLUMN price_total_no_discount numeric;
-    """)
-    cr.execute("""
-        ALTER TABLE sale_order ADD COLUMN discount_total numeric;
-    """)
-    cr.execute("""
-        ALTER TABLE sale_order_line ADD COLUMN price_total_no_discount
-        numeric;
-    """)
-    cr.execute("""
-        ALTER TABLE sale_order_line ADD COLUMN discount_total numeric;
-    """)
+    for table, column in COLUMNS:
+        if not column_exists(cr, table, column):
+            _logger.info("Create discount column %s in database", column)
+            create_column(cr, table, column, "numeric")
 
 
 def post_init_hook(cr, registry):