discourse/db/migrate/20120812235417_retire_expressions.rb
Sam Saffron 30990006a9 DEV: enable frozen string literal on all files
This reduces chances of errors where consumers of strings mutate inputs
and reduces memory usage of the app.

Test suite passes now, but there may be some stuff left, so we will run
a few sites on a branch prior to merging
2019-05-13 09:31:32 +08:00

23 lines
518 B
Ruby

# frozen_string_literal: true
class RetireExpressions < ActiveRecord::Migration[4.2]
def up
execute 'insert into post_actions (post_action_type_id, user_id, post_id, created_at, updated_at)
select
case
when expression_index=1 then 3
when expression_index=2 then 4
when expression_index=3 then 2
end
, user_id, post_id, created_at, updated_at from expressions'
drop_table 'expressions'
drop_table 'expression_types'
end
def down
raise ActiveRecord::IrreversibleMigration
end
end