Create a nocase index for use with the LIKE queries

Author: lieryan

rope/contrib/autoimport/models.py

@@ -100,9 +100,14 @@ class Name(Model):
     @classmethod
     def create_table(cls, connection):
         super().create_table(connection)
-        connection.execute("CREATE INDEX IF NOT EXISTS name ON names(name)")
-        connection.execute("CREATE INDEX IF NOT EXISTS module ON names(module)")
-        connection.execute("CREATE INDEX IF NOT EXISTS package ON names(package)")
+        # fmt: off
+        connection.execute("CREATE INDEX IF NOT EXISTS names_name ON names(name)")
+        connection.execute("CREATE INDEX IF NOT EXISTS names_module ON names(module)")
+        connection.execute("CREATE INDEX IF NOT EXISTS names_package ON names(package)")
+        connection.execute("CREATE INDEX IF NOT EXISTS names_name_nocase ON names(name COLLATE NOCASE)")
+        connection.execute("CREATE INDEX IF NOT EXISTS names_module_nocase ON names(module COLLATE NOCASE)")
+        connection.execute("CREATE INDEX IF NOT EXISTS names_package_nocase ON names(package COLLATE NOCASE)")
+        # fmt: on
 
     search_submodule_like = objects.where('module LIKE ("%." || ?)')
     search_module_like = objects.where("module LIKE (?)")