Commit 54124fc6 authored by blackst0ne's avatar blackst0ne

[Rails5] Fix Arel::UpdateManager

In Arel 7.0.0 (Arel 7.1.4 is used in Rails 5.0) the `engine` parameter
of `Arel::UpdateManager#initializer` was removed.

This commit makes the gitlab database helpers work both in rails 4 and
rails 5.
Fixes errors like this one:

```
1) Gitlab::Database::MigrationHelpers#update_column_in_batches when running outside of a transaction updates all the rows in a table
    Failure/Error:
      update_arel = Arel::UpdateManager.new(ActiveRecord::Base)
        .table(table)
        .set([[table[column], value]])
        .where(table[:id].gteq(start_id))

    ArgumentError:
      wrong number of arguments (given 1, expected 0)
    # ./lib/gitlab/database/migration_helpers.rb:317:in `new'
    # ./lib/gitlab/database/migration_helpers.rb:317:in `block in update_column_in_batches'
    # ./lib/gitlab/database/migration_helpers.rb:307:in `loop'
    # ./lib/gitlab/database/migration_helpers.rb:307:in `update_column_in_batches'
    # ./spec/lib/gitlab/database/migration_helpers_spec.rb:367:in `block (4 levels) in <top (required)>'
```
parent ee189fd5
module Gitlab
module Database
module ArelMethods
private
# In Arel 7.0.0 (Arel 7.1.4 is used in Rails 5.0) the `engine` parameter of `Arel::UpdateManager#initializer`
# was removed.
# Remove this file and inline this method when removing rails5? code.
def arel_update_manager
if Gitlab.rails5?
Arel::UpdateManager.new
else
Arel::UpdateManager.new(ActiveRecord::Base)
end
end
end
end
end
module Gitlab
module Database
module MigrationHelpers
include Gitlab::Database::ArelMethods
BACKGROUND_MIGRATION_BATCH_SIZE = 1000 # Number of rows to process per job
BACKGROUND_MIGRATION_JOB_BUFFER_SIZE = 1000 # Number of jobs to bulk queue at a time
......@@ -314,7 +316,7 @@ module Gitlab
stop_arel = yield table, stop_arel if block_given?
stop_row = exec_query(stop_arel.to_sql).to_hash.first
update_arel = Arel::UpdateManager.new(ActiveRecord::Base)
update_arel = arel_update_manager
.table(table)
.set([[table[column], value]])
.where(table[:id].gteq(start_id))
......
......@@ -3,6 +3,8 @@ module Gitlab
module RenameReservedPathsMigration
module V1
class RenameBase
include Gitlab::Database::ArelMethods
attr_reader :paths, :migration
delegate :update_column_in_batches,
......@@ -62,7 +64,7 @@ module Gitlab
old_full_path,
new_full_path)
update = Arel::UpdateManager.new(ActiveRecord::Base)
update = arel_update_manager
.table(routes)
.set([[routes[:path], replace_statement]])
.where(Arel::Nodes::SqlLiteral.new(filter))
......
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