Your CI database has 1,000 rows. Production has 50 million. The planner makes completely different decisions for each. Running EXPLAIN in CI tells you nothing about the production plan. This is the core premise behind RegreSQL. Catching query plan regressions in CI is far more reliable when the planner sees production-scale statistics.
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that heavily rely on reflection are going to become widespread. Every,详情可参考新收录的资料
Why do we need to save r4?