Revamp MySQL Query Optimization and Overcome Slowness of ORDER BY with LIMIT Queries
Percona
DECEMBER 21, 2023
However, for 16 years since 2007, the MySQL query optimizer has had a “bug” that not only makes LIMIT 1 slower than LIMIT 10 but can also make the former a table scan, which tends to cause problems. Currently, the optimizer hint for the flag ‘ prefer_ordering_index’ is not yet available till version 8.2.0.
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