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authorJarka Kadlecova <jarka@gitlab.com>2017-08-25 13:37:21 +0200
committerJarka Kadlecova <jarka@gitlab.com>2017-09-05 16:25:26 +0200
commitb0e30189a0cb82a03d6b6b25c04fa1498da85b0b (patch)
tree0d12298788e5af2534d522875516f2a285a9a1b1 /db
parent597bc29260c4be3a1527a1c5307bec40004bac4d (diff)
downloadgitlab-ce-b0e30189a0cb82a03d6b6b25c04fa1498da85b0b.tar.gz
Migrate issues authored by deleted user to the Ghost user
Diffstat (limited to 'db')
-rw-r--r--db/migrate/20170825104051_migrate_issues_to_ghost_user.rb36
-rw-r--r--db/migrate/20170901071411_add_foreign_key_to_issue_author.rb14
-rw-r--r--db/schema.rb3
3 files changed, 52 insertions, 1 deletions
diff --git a/db/migrate/20170825104051_migrate_issues_to_ghost_user.rb b/db/migrate/20170825104051_migrate_issues_to_ghost_user.rb
new file mode 100644
index 00000000000..294141e4fdb
--- /dev/null
+++ b/db/migrate/20170825104051_migrate_issues_to_ghost_user.rb
@@ -0,0 +1,36 @@
+class MigrateIssuesToGhostUser < ActiveRecord::Migration
+ include Gitlab::Database::MigrationHelpers
+ DOWNTIME = false
+
+ disable_ddl_transaction!
+
+ class User < ActiveRecord::Base
+ self.table_name = 'users'
+ end
+
+ class Issue < ActiveRecord::Base
+ self.table_name = 'issues'
+
+ include ::EachBatch
+ end
+
+ def reset_column_in_migration_models
+ ActiveRecord::Base.clear_cache!
+
+ ::User.reset_column_information
+ end
+
+ def up
+ reset_column_in_migration_models
+
+ # we use the model method because rewriting it is too complicated and would require copying multiple methods
+ ghost_id = ::User.ghost.id
+
+ Issue.where('NOT EXISTS (?)', User.unscoped.select(1).where('issues.author_id = users.id')).each_batch do |relation|
+ relation.update_all(author_id: ghost_id)
+ end
+ end
+
+ def down
+ end
+end
diff --git a/db/migrate/20170901071411_add_foreign_key_to_issue_author.rb b/db/migrate/20170901071411_add_foreign_key_to_issue_author.rb
new file mode 100644
index 00000000000..ab6e9fb565a
--- /dev/null
+++ b/db/migrate/20170901071411_add_foreign_key_to_issue_author.rb
@@ -0,0 +1,14 @@
+class AddForeignKeyToIssueAuthor < ActiveRecord::Migration
+ include Gitlab::Database::MigrationHelpers
+
+ DOWNTIME = false
+ disable_ddl_transaction!
+
+ def up
+ add_concurrent_foreign_key(:issues, :users, column: :author_id, on_delete: :nullify)
+ end
+
+ def down
+ remove_foreign_key(:issues, column: :author_id)
+ end
+end
diff --git a/db/schema.rb b/db/schema.rb
index a5f867df9ae..9b45861cde7 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
#
# It's strongly recommended that you check this file into your version control system.
-ActiveRecord::Schema.define(version: 20170824162758) do
+ActiveRecord::Schema.define(version: 20170901071411) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
@@ -1707,6 +1707,7 @@ ActiveRecord::Schema.define(version: 20170824162758) do
add_foreign_key "issue_assignees", "users", name: "fk_5e0c8d9154", on_delete: :cascade
add_foreign_key "issue_metrics", "issues", on_delete: :cascade
add_foreign_key "issues", "projects", name: "fk_899c8f3231", on_delete: :cascade
+ add_foreign_key "issues", "users", column: "author_id", name: "fk_05f1e72feb", on_delete: :cascade
add_foreign_key "label_priorities", "labels", on_delete: :cascade
add_foreign_key "label_priorities", "projects", on_delete: :cascade
add_foreign_key "labels", "namespaces", column: "group_id", on_delete: :cascade