PrelCostEstimates (Drill : 1.20.3 API)

```
public class PrelCostEstimates
extends Object
```
Cost estimates per physical relation. These cost estimations are computed during physical planning by the optimizer. These are also used post physical planning to compute memory requirements in minor fragment generation phase.

Fields
Modifier and Type	Field and Description
`static PrelCostEstimates`	`ZERO_COST`

Constructors
Constructor and Description
`PrelCostEstimates(double memory, double rowCount)`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`double`	`getMemoryCost()`
`double`	`getOutputRowCount()`

public static PrelCostEstimates ZERO_COST

public PrelCostEstimates(double memory,
                         double rowCount)

Class PrelCostEstimates