mirror of
https://github.com/openfoodfoundation/openfoodnetwork
synced 2026-01-22 20:16:50 +00:00
dee61e8b82
This speeds up a great deal one of the most awful queries our DB servers
execute. It's not rare to see traces above 20s in Datadog 😱.
In staging, with no traffic, we go from
```
EXPLAIN ANALYZE SELECT COUNT ( * )
FROM spree_state_changes
WHERE spree_state_changes . stateful_id = 2024
AND spree_state_changes . stateful_type = 'Spree::Order';
Planning time: 0.142 ms
Execution time: 9.073 ms
```
to
```
EXPLAIN ANALYZE SELECT COUNT ( * )
FROM spree_state_changes
WHERE spree_state_changes . stateful_id = 2024
AND spree_state_changes . stateful_type = 'Spree::Order';
Planning time: 0.284 ms
Execution time: 0.202 ms
```