discourse/db/migrate/20240820123406_drop_old_not...

34 lines
1.0 KiB
Ruby

# frozen_string_literal: true
class DropOldNotificationIdIndexes < ActiveRecord::Migration[7.0]
disable_ddl_transaction!
def up
# Drop old indexes
results =
execute(
"SELECT indexname, indexdef FROM pg_indexes WHERE tablename = 'notifications' AND indexdef SIMILAR TO '%\\mold_id\\M%'",
)
results.each do |res|
indexname, indexdef = res["indexname"], res["indexdef"]
execute "DROP INDEX #{Rails.env.test? ? "" : "CONCURRENTLY"} IF EXISTS #{indexname}"
end
# Remove `_bigint` suffix from indexes
results =
execute(
"SELECT indexname, indexdef FROM pg_indexes WHERE tablename = 'notifications' AND indexdef SIMILAR TO '%\\mid\\M%' AND schemaname = 'public'",
)
results.each do |res|
indexname, indexdef = res["indexname"], res["indexdef"]
if indexname.include?("_bigint")
execute "ALTER INDEX #{indexname} RENAME TO #{indexname.gsub(/_bigint$/, "")}"
end
end
end
def down
raise ActiveRecord::IrreversibleMigration
end
end