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authorThibG <thib@sitedethib.com>2019-03-06 19:53:57 +0100
committerEugen Rochko <eugen@zeonfederated.com>2019-03-06 19:53:57 +0100
commit96f905f40913b915496039d188297a7949b1a6db (patch)
tree54111b6c1ee941cd261cf01c630711787b25c1d3 /db/migrate
parentb3668a79eca2d185ea57a9ffc2fa012db52e49f0 (diff)
Add optimistic lock to avoid race conditions when handling votes (#10196)
* Add optimistic lock to avoid race conditions when handling votes

* Force-reload polls when getting `ActiveRecord::StaleObjectError`
Diffstat (limited to 'db/migrate')
-rw-r--r--db/migrate/20190306145741_add_lock_version_to_polls.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/db/migrate/20190306145741_add_lock_version_to_polls.rb b/db/migrate/20190306145741_add_lock_version_to_polls.rb
new file mode 100644
index 000000000..cf506404d
--- /dev/null
+++ b/db/migrate/20190306145741_add_lock_version_to_polls.rb
@@ -0,0 +1,6 @@
+class AddLockVersionToPolls < ActiveRecord::Migration[5.2]
+  def change
+    add_column :polls, :lock_version, :integer, null: false, default: 0
+  end
+end
+