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# frozen_string_literal: true
module Gitlab
module BackgroundMigration
# A job to nullify duplicate ci_runners_token values in projects table in batches
class ResetDuplicateCiRunnersTokenValuesOnProjects
class Project < ActiveRecord::Base # rubocop:disable Style/Documentation
include EachBatch
self.table_name = 'projects'
scope :base_query, -> { where.not(runners_token: nil) }
end
def perform(start_id, end_id)
# Reset duplicate runner tokens that would prevent creating an unique index.
batch_records = Project.base_query.where(id: start_id..end_id)
duplicate_tokens = Project.base_query
.where(runners_token: batch_records.select(:runners_token).distinct)
.group(:runners_token)
.having('COUNT(*) > 1')
.pluck(:runners_token)
batch_records.where(runners_token: duplicate_tokens).update_all(runners_token: nil) if duplicate_tokens.any?
mark_job_as_succeeded(start_id, end_id)
end
private
def mark_job_as_succeeded(*arguments)
::Gitlab::Database::BackgroundMigrationJob.mark_all_as_succeeded(
self.class.name.demodulize,
arguments
)
end
end
end
end
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