update database on startup

oml/item/models.py

@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 # vi:si:et:sw=4:sts=4:ts=4
 from datetime import datetime
-from io import BytesIO
 import base64
 import hashlib
 import os
@@ -10,7 +9,6 @@ import shutil
 import stat
 import unicodedata
 
-from PIL import Image
 import ox
 from sqlalchemy.schema import CreateTable
 import sqlalchemy as sa
@@ -801,3 +799,13 @@ def update_sort_table():
             for q in sql:
                 s.connection().execute(q)
             s.commit()
+    layout = db.get_layout()
+    sort_indexes = [i[len('ix_sort_'):] for i in layout['indexes'] if i.startswith('ix_sort_')]
+    sql = []
+    for col in set(Item.sort_keys)-set(sort_indexes):
+        sql.append('CREATE INDEX ix_sort_{col} ON sort ({col})'.format(col=col))
+    if sql:
+        with db.session() as s:
+            for q in sql:
+                s.connection().execute(q)
+            s.commit()