class MigrateMrDiffs < ActiveRecord::Migration
def self.up
- execute "INSERT INTO merge_request_diffs ( merge_request_id ) SELECT id FROM merge_requests"
- execute "UPDATE merge_requests mr, merge_request_diffs md SET md.st_commits = mr.st_commits WHERE md.merge_request_id = mr.id"
- execute "UPDATE merge_requests mr, merge_request_diffs md SET md.st_diffs = mr.st_diffs WHERE md.merge_request_id = mr.id"
+ execute "INSERT INTO merge_request_diffs ( merge_request_id, st_commits, st_diffs ) SELECT id, st_commits, st_diffs FROM merge_requests"
end
def self.down
def down
add_column :merge_requests, :st_commits, :text, null: true, limit: 2147483647
add_column :merge_requests, :st_diffs, :text, null: true, limit: 2147483647
- execute "UPDATE merge_requests mr, merge_request_diffs md SET mr.st_commits = md.st_commits WHERE md.merge_request_id = mr.id"
- execute "UPDATE merge_requests mr, merge_request_diffs md SET mr.st_diffs = md.st_diffs WHERE md.merge_request_id = mr.id"
+
+ if ActiveRecord::Base.connection.adapter_name == 'PostgreSQL'
+ execute "UPDATE merge_requests mr
+ SET (st_commits, st_diffs) = (md.st_commits, md.st_diffs)
+ FROM merge_request_diffs md
+ WHERE md.merge_request_id = mr.id"
+ else
+ execute "UPDATE merge_requests mr, merge_request_diffs md SET mr.st_commits = md.st_commits WHERE md.merge_request_id = mr.id"
+ execute "UPDATE merge_requests mr, merge_request_diffs md SET mr.st_diffs = md.st_diffs WHERE md.merge_request_id = mr.id"
+ end
end
end