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# frozen_string_literal: true
class AddBlockingIssuesCountToIssues < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
INDEX_NAME = 'index_issue_on_project_id_state_id_and_blocking_issues_count'
disable_ddl_transaction!
def up
unless column_exists?(:issues, :blocking_issues_count)
with_lock_retries do
add_column :issues, :blocking_issues_count, :integer, default: 0, null: false
end
end
add_concurrent_index :issues, [:project_id, :state_id, :blocking_issues_count], name: INDEX_NAME
end
def down
remove_concurrent_index_by_name :issues, INDEX_NAME
with_lock_retries do
remove_column :issues, :blocking_issues_count
end
end
end
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