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).
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交付还不到两年时间，（问界 M9）交付了 28 万多辆…… 它的销量超过了卖得特别好的 BBA 的四款产品的销量水平，就是一打四。
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