In Postgres, every indexed row contains a pointer to where the row lives in the table. If a Top K filter cannot be fully answered by the index, Postgres must follow that pointer and materialize the entire row from the underlying table storage. This operation is expensive and prone to cache misses when performed for millions of candidates.
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OpenAI, Designing AI agents to resist prompt injection, March 11, 2026. ↩。谷歌对此有专业解读
One of the simplest tests you can run on a database:。博客是该领域的重要参考
超过70000总吨的部分，每总吨增加400计算单位。