46 lines
1.1 KiB
Ruby
46 lines
1.1 KiB
Ruby
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
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# for more information on how to write migrations for GitLab.
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# rubocop:disable Migration/Datetime
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class ScheduleIssuesClosedAtTypeChange < ActiveRecord::Migration
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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disable_ddl_transaction!
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class Issue < ActiveRecord::Base
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self.table_name = 'issues'
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include EachBatch
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def self.to_migrate
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where('closed_at IS NOT NULL')
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end
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end
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def up
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return unless migrate_column_type?
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change_column_type_using_background_migration(
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Issue.to_migrate,
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:closed_at,
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:datetime_with_timezone
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)
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end
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def down
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return if migrate_column_type?
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change_column_type_using_background_migration(
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Issue.to_migrate,
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:closed_at,
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:datetime
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)
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end
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def migrate_column_type?
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# Some environments may have already executed the previous version of this
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# migration, thus we don't need to migrate those environments again.
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column_for('issues', 'closed_at').type == :datetime
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end
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end
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