Don't store total estimated hours on parent issues (#16092).

Parent can now have its own estimate that is summed up with children estimates.

git-svn-id: http://svn.redmine.org/redmine/trunk@14272 e93f8b46-1217-0410-a6f0-8f06a7374b81

1 files changed, 15 insertions, 0 deletions

diff --git a/db/migrate/20150525103953_clear_estimated_hours_on_parent_issues.rb b/db/migrate/20150525103953_clear_estimated_hours_on_parent_issues.rb
new file mode 100644
index 000000000..8eed815f7
--- /dev/null
+++ b/db/migrate/20150525103953_clear_estimated_hours_on_parent_issues.rb
@@ -0,0 +1,15 @@
+class ClearEstimatedHoursOnParentIssues < ActiveRecord::Migration
+  def self.up
+    # Clears estimated hours on parent issues
+    Issue.where("rgt > lft + 1 AND estimated_hours > 0").update_all :estimated_hours => nil
+  end
+
+  def self.down
+    table_name = Issue.table_name
+    leaves_sum_select = "SELECT SUM(leaves.estimated_hours) FROM #{table_name} leaves" +
+      " WHERE leaves.root_id = #{table_name}.root_id AND leaves.lft > #{table_name}.lft AND leaves.rgt < #{table_name}.rgt" +
+      " AND leaves.rgt = leaves.lft + 1"
+
+    Issue.where("rgt > lft + 1").update_all "estimated_hours = (#{leaves_sum_select})"
+  end
+end