comparison .svn/pristine/b2/b2da07c5b59f5a76f7942979d584cb5b875f39ed.svn-base @ 1296:038ba2d95de8 redmine-2.2

Fix redmine-2.2 branch update (add missing svn files)
author Chris Cannam
date Fri, 14 Jun 2013 09:05:06 +0100
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1294:3e4c3460b6ca 1296:038ba2d95de8
1 class AddUniqueIndexToIssueRelations < ActiveRecord::Migration
2 def self.up
3
4 # Remove duplicates
5 IssueRelation.connection.select_values("SELECT r.id FROM #{IssueRelation.table_name} r" +
6 " WHERE r.id > (SELECT min(r1.id) FROM #{IssueRelation.table_name} r1 WHERE r1.issue_from_id = r.issue_from_id AND r1.issue_to_id = r.issue_to_id)").each do |i|
7 IssueRelation.delete_all(["id = ?", i])
8 end
9
10 add_index :issue_relations, [:issue_from_id, :issue_to_id], :unique => true
11 end
12
13 def self.down
14 remove_index :issue_relations, :column => [:issue_from_id, :issue_to_id]
15 end
16 end