io.druid.query.groupby.having

Class AlwaysHavingSpec

java.lang.Object

io.druid.query.groupby.having.BaseHavingSpec

io.druid.query.groupby.having.AlwaysHavingSpec

All Implemented Interfaces:

Cacheable, HavingSpec

public class AlwaysHavingSpec
extends BaseHavingSpec

A "having" spec that always evaluates to true

Field Summary

Fields inherited from interface io.druid.query.groupby.having.HavingSpec

ALWAYS, NEVER

Constructor Summary

Constructors

Constructor and Description
AlwaysHavingSpec()

Method Summary

Modifier and Type	Method and Description
boolean	eval(Row row) Evaluates if a given row satisfies the having spec.
byte[]	getCacheKey() Get a byte array used as a cache key.

Methods inherited from class io.druid.query.groupby.having.BaseHavingSpec

setRowSignature

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AlwaysHavingSpec

public AlwaysHavingSpec()

Method Detail

eval

public boolean eval(Row row)

Description copied from interface: HavingSpec

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.

getCacheKey

public byte[] getCacheKey()

Description copied from interface: Cacheable

Get a byte array used as a cache key.

Returns:

a cache key