Commit 64dd2e0fd62f8f2ca074dc351964a571fb807f69
1 parent
a2571ba9
Exists in
master
and in
29 other branches
Creating indexes before removing records
Showing
1 changed file
with
2 additions
and
2 deletions
Show diff stats
db/migrate/20100928000952_aggressive_indexing_strategy2.rb
| 1 | class AggressiveIndexingStrategy2 < ActiveRecord::Migration | 1 | class AggressiveIndexingStrategy2 < ActiveRecord::Migration |
| 2 | def self.up | 2 | def self.up |
| 3 | + add_index(:action_tracker_notifications, :profile_id) | ||
| 4 | + add_index(:action_tracker_notifications, :action_tracker_id) | ||
| 3 | 5 | ||
| 4 | say 'Removing duplicate notification records ...' | 6 | say 'Removing duplicate notification records ...' |
| 5 | buffer = '' | 7 | buffer = '' |
| @@ -29,8 +31,6 @@ class AggressiveIndexingStrategy2 < ActiveRecord::Migration | @@ -29,8 +31,6 @@ class AggressiveIndexingStrategy2 < ActiveRecord::Migration | ||
| 29 | execute buffer | 31 | execute buffer |
| 30 | end | 32 | end |
| 31 | 33 | ||
| 32 | - add_index(:action_tracker_notifications, :profile_id) | ||
| 33 | - add_index(:action_tracker_notifications, :action_tracker_id) | ||
| 34 | add_index(:action_tracker_notifications, [:profile_id, :action_tracker_id], :unique => true) | 34 | add_index(:action_tracker_notifications, [:profile_id, :action_tracker_id], :unique => true) |
| 35 | end | 35 | end |
| 36 | 36 |