Package 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	Description
static class	DruidRules.DruidAggregateProjectRule	Rule to push an Aggregate and Project into a DruidQuery.
static class	DruidRules.DruidAggregateRule	Rule to push an Aggregate into a DruidQuery.
static class	DruidRules.DruidFilterRule	Rule to push a Filter into a DruidQuery.
static class	DruidRules.DruidHavingFilterRule	Rule to Push a Having Filter into a DruidQuery.
static class	DruidRules.DruidPostAggregationProjectRule	Rule to push a Project into a DruidQuery as a Post aggregator.
static class	DruidRules.DruidProjectRule	Rule to push a Project into a DruidQuery.
static class	DruidRules.DruidSortRule	Rule to push a Sort into a DruidQuery.

Field Summary

Fields

Modifier and Type	Field	Description
static final DruidRules.DruidAggregateRule	AGGREGATE
static final AggregateFilterTransposeRule	AGGREGATE_FILTER_TRANSPOSE	Rule to push an Aggregate past a Filter when Filter is on top of a DruidQuery.
static final DruidRules.DruidAggregateProjectRule	AGGREGATE_PROJECT
static final DruidRules.DruidHavingFilterRule	DRUID_HAVING_FILTER_RULE
static final DruidRules.DruidFilterRule	FILTER
static final FilterAggregateTransposeRule	FILTER_AGGREGATE_TRANSPOSE	Rule to push an Filter past an Aggregate when Aggregate is on top of a DruidQuery.
static final FilterProjectTransposeRule	FILTER_PROJECT_TRANSPOSE	Rule to push a Filter past a Project when Project is on top of a DruidQuery.
protected static final org.slf4j.Logger	LOGGER
static final DruidRules.DruidPostAggregationProjectRule	POST_AGGREGATION_PROJECT
static final DruidRules.DruidProjectRule	PROJECT
static final AggregateExtractProjectRule	PROJECT_EXTRACT_RULE	Rule to extract a Project from Aggregate on top of DruidQuery based on the fields used in the aggregate.
static final ProjectFilterTransposeRule	PROJECT_FILTER_TRANSPOSE	Rule to push a Project past a Filter when Filter is on top of a DruidQuery.
static final List<RelOptRule>	RULES
static final DruidRules.DruidSortRule	SORT
static final SortProjectTransposeRule	SORT_PROJECT_TRANSPOSE	Rule to push an Sort through a Project.

Method Summary

Methods inherited from class java.lang.Object

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

Field Details

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

AGGREGATE_PROJECT

public static final DruidRules.DruidAggregateProjectRule AGGREGATE_PROJECT

SORT

public static final DruidRules.DruidSortRule SORT

SORT_PROJECT_TRANSPOSE

public static final SortProjectTransposeRule SORT_PROJECT_TRANSPOSE

Rule to push an Sort through a Project. Useful to transform to complex Druid queries.

PROJECT_FILTER_TRANSPOSE

public static final ProjectFilterTransposeRule PROJECT_FILTER_TRANSPOSE

Rule to push a Project past a Filter when Filter is on top of a DruidQuery.

FILTER_PROJECT_TRANSPOSE

public static final FilterProjectTransposeRule FILTER_PROJECT_TRANSPOSE

Rule to push a Filter past a Project when Project is on top of a DruidQuery.

AGGREGATE_FILTER_TRANSPOSE

public static final AggregateFilterTransposeRule AGGREGATE_FILTER_TRANSPOSE

Rule to push an Aggregate past a Filter when Filter is on top of a DruidQuery.

FILTER_AGGREGATE_TRANSPOSE

public static final FilterAggregateTransposeRule FILTER_AGGREGATE_TRANSPOSE

Rule to push an Filter past an Aggregate when Aggregate is on top of a DruidQuery.

POST_AGGREGATION_PROJECT

public static final DruidRules.DruidPostAggregationProjectRule POST_AGGREGATION_PROJECT

PROJECT_EXTRACT_RULE

public static final AggregateExtractProjectRule PROJECT_EXTRACT_RULE

Rule to extract a Project from Aggregate on top of DruidQuery based on the fields used in the aggregate.

DRUID_HAVING_FILTER_RULE

public static final DruidRules.DruidHavingFilterRule DRUID_HAVING_FILTER_RULE

RULES

public static final List<RelOptRule> RULES