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> DTA uses a cost-base search, which means it needs to estimate the costs using some indexes it hasn’t actually built yet. The “what-if” API is used to simulate
by striking 8y ago
> DTA uses a cost-base search, which means it needs to estimate the costs using some indexes it hasn’t actually built yet. The “what-if” API is used to simulate such hypothetical indexes.
Reminds me of https://github.com/ankane/dexter https://github.com/ankane/dexter with https://github.com/HypoPG/hypopg https://github.com/HypoPG/hypopg.