For uncached query, I just got a 10x speed improvement on this on an Informix 12.10 instance. Will I might hesitate to deploy it in an app, because the index s

For uncached query, I just got a 10x speed improvement on this on an Informix 12.10 instance. Will I might hesitate to deploy it in an app, because the index scan is still relatively heavy weight, I can certainly see myself using this for ad-hoc stuff, so thankyou.