HavingSpec (druid-processing 28.0.0 API)

All Superinterfaces:

Cacheable

All Known Implementing Classes:

AlwaysHavingSpec, AndHavingSpec, DimensionSelectorHavingSpec, DimFilterHavingSpec, EqualToHavingSpec, GreaterThanHavingSpec, LessThanHavingSpec, NeverHavingSpec, NotHavingSpec, OrHavingSpec
```
public interface HavingSpec
extends Cacheable
```
A "having" clause that filters aggregated/dimension value. This is similar to SQL's "having" clause. HavingSpec objects are *not* thread-safe and must not be used simultaneously by multiple threads.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`eval(ResultRow row)`	Evaluates if a given row satisfies the having spec.
`void`	`setQuery(GroupByQuery query)`	Informs this HavingSpec that rows passed to "eval" will originate from a particular groupBy query.

Methods inherited from interface org.apache.druid.java.util.common.Cacheable
getCacheKey

- Method Detail
  - setQuery
```
void setQuery(GroupByQuery query)
```
    Informs this HavingSpec that rows passed to "eval" will originate from a particular groupBy query.
  - eval
```
boolean eval(ResultRow row)
```
    Evaluates if a given row satisfies the having spec.
    
    Parameters:
    
    row - A Row of data that may contain aggregated values
    
    Returns:
    
    true if the given row satisfies the having spec. False otherwise.