20 lines
463 B
Ruby
20 lines
463 B
Ruby
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Sequel.migration do
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up do
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add_column :visualizations, :user_id, :uuid
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SequelRails.connection.transaction do
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SequelRails.connection.run(%Q{
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UPDATE visualizations
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SET user_id = maps.user_id FROM maps
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WHERE maps.user_id IN (SELECT users.id FROM users)
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AND visualizations.user_id IS NULL
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AND visualizations.map_id = maps.id
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})
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end
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end
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down do
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drop_column :visualizations, :user_id
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end
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end
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