Package org.apache.druid.server

Class SubqueryGuardrailHelper

java.lang.Object

org.apache.druid.server.SubqueryGuardrailHelper

public class SubqueryGuardrailHelper
extends Object

Aids the ClientQuerySegmentWalker compute the available heap size per query for materializing the inline results from the subqueries

Field Summary

Fields

Modifier and Type	Field	Description
static final String	AUTO_LIMIT_VALUE
static final Long	LIMIT_DISABLED_REPRESENTATION
static final String	LIMIT_DISABLED_VALUE

Constructor Summary

Constructors

Constructor	Description
SubqueryGuardrailHelper(LookupExtractorFactoryContainerProvider lookupManager, long maxMemoryInJvm, int maxConcurrentQueries)

Method Summary

Modifier and Type	Method	Description
long	convertSubqueryLimitStringToLong(String maxSubqueryLimit)

Methods inherited from class java.lang.Object

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

Field Details

LIMIT_DISABLED_VALUE

public static final String LIMIT_DISABLED_VALUE

See Also:

• Constant Field Values

AUTO_LIMIT_VALUE

public static final String AUTO_LIMIT_VALUE

See Also:

• Constant Field Values

LIMIT_DISABLED_REPRESENTATION

public static final Long LIMIT_DISABLED_REPRESENTATION

Constructor Details

SubqueryGuardrailHelper

public SubqueryGuardrailHelper(LookupExtractorFactoryContainerProvider lookupManager,
 long maxMemoryInJvm,
 int maxConcurrentQueries)

Method Details

convertSubqueryLimitStringToLong

public long convertSubqueryLimitStringToLong(String maxSubqueryLimit)