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1 | 1 | class AddIssuesNestedSetsColumns < ActiveRecord::Migration |
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2 | 2 | def self.up |
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3 | 3 | add_column :issues, :parent_id, :integer, :default => nil |
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4 | 4 | add_column :issues, :root_id, :integer, :default => nil |
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5 | 5 | add_column :issues, :lft, :integer, :default => nil |
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6 | 6 | add_column :issues, :rgt, :integer, :default => nil |
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7 | ||
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7 | ||
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8 | 8 | Issue.update_all("parent_id = NULL, root_id = id, lft = 1, rgt = 2") |
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9 | 9 | end |
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10 | 10 | |
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11 | 11 | def self.down |
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12 | 12 | remove_column :issues, :parent_id |
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13 | 13 | remove_column :issues, :root_id |
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14 | 14 | remove_column :issues, :lft |
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15 | 15 | remove_column :issues, :rgt |
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16 | 16 | end |
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17 | 17 | end |
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