Calcite - Statistics

Card Puncher Data Processing

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Statistics are used to improve accuracy of cost estimations

Calcite provides utilities for computing resource related statistics for use in cost




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Card Puncher Data Processing
Calcite - Query Cost

in calcite. Calcite applies a Cost based optimizer by default that is called the Volcano planner. The cost is provided by the relational expression (relNode). See Cost is represented by org/apache/calcite/plan/RelOptCostRelOptCost...



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