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Experiments

A Jev query planner

I used Jev to build a query planner! With some tuning, I sped up Postgres queries on the join order benchmark by 12%. Here's what I did

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How it uses Jev

Input: a Postgres query-planning problem. Jev appears to help select a query plan, with join ordering as the named benchmark; the post reports faster benchmark queries after tuning. Exact Jev request and answer shape are undisclosed.

Why it is interesting

Using Jev around join-order decisions is a concrete database-planning experiment. The post omits the plan choices and benchmark setup, so the reported improvement cannot be examined here.

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