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Alena Rybakina
Alena Rybakina PostgresPro
Andrey Lepikhov
Andrey Lepikhov PostgresPro
14:15 26 September
45 min

Real-time Query Replanning of Hopeless Queries

During the years of its existence, Postgres Pro piled up a pool of problems when query execution was inappropriately slow or a query was too expensive to be executed, so it was never executed. Almost always in our practice, this was due to the choice of a non-optimal query plan. In our story, we will talk about a very unconventional attempt to solve this problem by re-planning queries. We will tell you what it is, how it works, who will find it helpful and the prospects for using this feature.

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