JIT compilation was introduced in Postgres 11 in 2018. It solves a problem of Postgres having to interpret expressions and use inefficient per-row loops in run-time in order to do internal data conversions (so-called tuple deforming).
真正的科研，不只是把报告写漂亮；更是把“假设-证据-验证”的循环跑通。
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В России предупредили о подготовке ВСУ к контратаке на одном направлении08:42
Technically this relation is “consistency” in the typing spec, not
This crisis presents some in China with an opportunity to paint Washington as warmongers, which the People's Liberation Army has done across social media.