org.apache.calcite.adapter.druid

Class DruidRules

java.lang.Object

org.apache.calcite.adapter.druid.DruidRules

public class DruidRules
extends Object

Rules and relational operators for DruidQuery.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	DruidRules.DruidAggregateRule Rule to push an Aggregate into a DruidQuery.
private static class	DruidRules.DruidFilterRule Rule to push a Filter into a DruidQuery.
private static class	DruidRules.DruidProjectAggregateRule Rule to push an Aggregate and Project into a DruidQuery.
private static class	DruidRules.DruidProjectRule Rule to push a Project into a DruidQuery.
private static class	DruidRules.DruidProjectSortRule Rule to push an Sort through a Project.
private static class	DruidRules.DruidSortProjectRule Rule to push back Project through a Sort.
private static class	DruidRules.DruidSortRule Rule to push an Aggregate into a DruidQuery.

Field Summary

Fields

Modifier and Type	Field and Description
static DruidRules.DruidAggregateRule	AGGREGATE
private static com.google.common.base.Predicate<AggregateCall>	BAD_AGG Predicate that returns whether Druid can not handle an aggregate.
static DruidRules.DruidFilterRule	FILTER
protected static org.slf4j.Logger	LOGGER
static DruidRules.DruidProjectRule	PROJECT
static DruidRules.DruidProjectAggregateRule	PROJECT_AGGREGATE
static DruidRules.DruidProjectSortRule	PROJECT_SORT
static List<RelOptRule>	RULES
static DruidRules.DruidSortRule	SORT
static DruidRules.DruidSortProjectRule	SORT_PROJECT

Constructor Summary

Constructors

Modifier	Constructor and Description
private	DruidRules()

Method Summary

Modifier and Type	Method and Description
private static boolean	checkTimestampRefOnQuery(ImmutableBitSet set, RelNode top, DruidQuery query)

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

protected static final org.slf4j.Logger LOGGER

FILTER

public static final DruidRules.DruidFilterRule FILTER

PROJECT

public static final DruidRules.DruidProjectRule PROJECT

AGGREGATE

public static final DruidRules.DruidAggregateRule AGGREGATE

PROJECT_AGGREGATE

public static final DruidRules.DruidProjectAggregateRule PROJECT_AGGREGATE

SORT

public static final DruidRules.DruidSortRule SORT

PROJECT_SORT

public static final DruidRules.DruidProjectSortRule PROJECT_SORT

SORT_PROJECT

public static final DruidRules.DruidSortProjectRule SORT_PROJECT

RULES

public static final List<RelOptRule> RULES

BAD_AGG

private static final com.google.common.base.Predicate<AggregateCall> BAD_AGG

Predicate that returns whether Druid can not handle an aggregate.

Constructor Detail

DruidRules

private DruidRules()

Method Detail

checkTimestampRefOnQuery

private static boolean checkTimestampRefOnQuery(ImmutableBitSet set,
                                                RelNode top,
                                                DruidQuery query)