20 lines
367 B
Ruby
20 lines
367 B
Ruby
# frozen_string_literal: true
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class RemoveOrphanedEmails < ActiveRecord::Migration[6.0]
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DOWNTIME = false
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def up
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execute <<~SQL
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DELETE FROM emails
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WHERE not exists (
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SELECT 1 FROM users WHERE users.id = emails.user_id
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);
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SQL
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execute 'DELETE FROM emails WHERE user_id IS NULL;'
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end
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def down
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# no-op
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end
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end
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