gitlab-org--gitlab-foss/db/migrate/20150306023106_fix_namespace_duplication.rb

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2015-03-06 14:09:14 -05:00
class FixNamespaceDuplication < ActiveRecord::Migration
def up
#fixes path duplication
select_all('SELECT MAX(id) max, COUNT(id) cnt, path FROM namespaces GROUP BY path HAVING COUNT(id) > 1').each do |nms|
bad_nms_ids = select_all("SELECT id FROM namespaces WHERE path = '#{nms['path']}' AND id <> #{nms['max']}").map{|x| x["id"]}
execute("UPDATE projects SET namespace_id = #{nms["max"]} WHERE namespace_id IN(#{bad_nms_ids.join(', ')})")
execute("DELETE FROM namespaces WHERE id IN(#{bad_nms_ids.join(', ')})")
end
#fixes name duplication
select_all('SELECT MAX(id) max, COUNT(id) cnt, name FROM namespaces GROUP BY name HAVING COUNT(id) > 1').each do |nms|
bad_nms_ids = select_all("SELECT id FROM namespaces WHERE name = '#{nms['name']}' AND id <> #{nms['max']}").map{|x| x["id"]}
execute("UPDATE projects SET namespace_id = #{nms["max"]} WHERE namespace_id IN(#{bad_nms_ids.join(', ')})")
execute("DELETE FROM namespaces WHERE id IN(#{bad_nms_ids.join(', ')})")
end
end
def down
# not implemented
end
end