Package org.apache.druid.sql.hook

Interface DruidHook<T>

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface DruidHook<T>

Interface for hooks that can be invoked by DruidHookDispatcher. HookKey should be added at every place a new hook is needed.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	DruidHook.HookKey<T>

Field Summary

Fields

Modifier and Type	Field	Description
static final DruidHook.HookKey<org.apache.calcite.rel.RelNode>	CONVERTED_PLAN
static final DruidHook.HookKey<org.apache.calcite.rel.RelNode>	DRUID_PLAN
static final DruidHook.HookKey<org.apache.calcite.rel.RelNode>	LOGICAL_PLAN
static final DruidHook.HookKey<String>	MSQ_PLAN
static final DruidHook.HookKey<Query>	NATIVE_PLAN
static final DruidHook.HookKey<String>	SQL

Method Summary

Modifier and Type	Method	Description
void	invoke(DruidHook.HookKey<T> key, T object)

Field Details

CONVERTED_PLAN

static final DruidHook.HookKey<org.apache.calcite.rel.RelNode> CONVERTED_PLAN

LOGICAL_PLAN

static final DruidHook.HookKey<org.apache.calcite.rel.RelNode> LOGICAL_PLAN

DRUID_PLAN

static final DruidHook.HookKey<org.apache.calcite.rel.RelNode> DRUID_PLAN

SQL

static final DruidHook.HookKey<String> SQL

MSQ_PLAN

static final DruidHook.HookKey<String> MSQ_PLAN

NATIVE_PLAN

static final DruidHook.HookKey<Query> NATIVE_PLAN

Method Details

invoke

void invoke(DruidHook.HookKey<T> key,
 T object)