Интересная статья о том как устроен оптимизатор запросов в CockroachDB
#cockroachdb #sql #internals #distribute_sql
#cockroachdb #sql #internals #distribute_sql
Cockroachlabs
How we built a cost-based SQL optimizer
CockroachDB 2.1 includes a brand-new, built-from-scratch, cost-based SQL optimizer. This post explains what a cost-based SQL optimizer is, and tells the story of how we decided we really, really needed one.
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