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1 | 1 | class ClearEstimatedHoursOnParentIssues < ActiveRecord::Migration |
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2 | 2 | def self.up |
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3 | 3 | # Clears estimated hours on parent issues |
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4 | 4 | Issue.where("rgt > lft + 1 AND estimated_hours > 0").update_all :estimated_hours => nil |
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5 | 5 | end |
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6 | 6 | |
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7 | 7 | def self.down |
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8 | 8 | table_name = Issue.table_name |
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9 | leaves_sum_select = "SELECT SUM(leaves.estimated_hours) FROM #{table_name} leaves" + | |
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9 | leaves_sum_select = "SELECT SUM(leaves.estimated_hours) FROM (SELECT * FROM #{table_name}) AS leaves" + | |
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10 | 10 | " WHERE leaves.root_id = #{table_name}.root_id AND leaves.lft > #{table_name}.lft AND leaves.rgt < #{table_name}.rgt" + |
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11 | 11 | " AND leaves.rgt = leaves.lft + 1" |
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12 | 12 | |
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13 | 13 | Issue.where("rgt > lft + 1").update_all "estimated_hours = (#{leaves_sum_select})" |
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14 | 14 | end |
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15 | 15 | end |
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