ClientQuerySegmentWalkerUtils (druid-server 29.0.1 API)

java.lang.Object
- org.apache.druid.server.ClientQuerySegmentWalkerUtils

public class ClientQuerySegmentWalkerUtils
extends Object

Utilities for ClientQuerySegmentWalker

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class ClientQuerySegmentWalkerUtils.SubqueryResultLimit
Guardrail type on the subquery's results

Constructor Summary

Constructors
Constructor Description

ClientQuerySegmentWalkerUtils()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static ClientQuerySegmentWalkerUtils.SubqueryResultLimit`	`getLimitType(long memoryLimitBytes, boolean cannotMaterializeToFrames)`	Returns the limit type to be used for a given subquery.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ClientQuerySegmentWalkerUtils
```
public ClientQuerySegmentWalkerUtils()
```
- Method Detail
  - getLimitType
```
public static ClientQuerySegmentWalkerUtils.SubqueryResultLimit getLimitType(long memoryLimitBytes,
                                                                             boolean cannotMaterializeToFrames)
```
    Returns the limit type to be used for a given subquery. It returns MEMORY_LIMIT only if: 1. The user has enabled the 'maxSubqueryBytes' explicitly in the query context or as the server default 2. All the other subqueries in the query so far didn't fall back to ROW_BASED limit due to an error while executing the query In all the other cases, it returns ROW_LIMIT