36 lines
706 B
Ruby
36 lines
706 B
Ruby
class AddForeignKeyOnPipelineScheduleOwner < ActiveRecord::Migration[4.2]
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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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def up
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execute <<-SQL
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UPDATE ci_pipeline_schedules
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SET owner_id = NULL
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WHERE NOT EXISTS (
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SELECT true
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FROM users
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WHERE ci_pipeline_schedules.owner_id = users.id
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)
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SQL
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add_concurrent_foreign_key(:ci_pipeline_schedules, :users, column: :owner_id, on_delete: on_delete)
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end
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def down
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remove_foreign_key(:ci_pipeline_schedules, column: :owner_id)
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end
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private
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def on_delete
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if Gitlab::Database.mysql?
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:nullify
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else
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'SET NULL'
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end
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end
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end
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