13 lines
382 B
Ruby
13 lines
382 B
Ruby
class RemoveNotificationSettingsForDeletedProjects < ActiveRecord::Migration[4.2]
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def up
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execute <<-SQL
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DELETE FROM notification_settings
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WHERE notification_settings.source_type = 'Project'
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AND NOT EXISTS (
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SELECT *
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FROM projects
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WHERE projects.id = notification_settings.source_id
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)
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SQL
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end
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end
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