org.apache.iotdb.db.query.executor

接口 IQueryRouter

所有已知实现类:

QueryRouter

public interface IQueryRouter

方法概要

限定符和类型	方法和说明
QueryDataSet	aggregate(AggregationPlan aggregationPlan, QueryContext context) Execute aggregation query.
QueryDataSet	fill(FillQueryPlan fillQueryPlan, QueryContext context) Execute fill query.
QueryDataSet	groupBy(GroupByTimePlan groupByTimePlan, QueryContext context) Execute groupBy query.
QueryDataSet	groupByFill(GroupByTimeFillPlan groupByFillPlan, QueryContext context) Execute group by fill query
QueryDataSet	lastQuery(LastQueryPlan lastQueryPlan, QueryContext context) Execute last query
QueryDataSet	rawDataQuery(RawDataQueryPlan queryPlan, QueryContext context) Execute physical plan.
QueryDataSet	udafQuery(UDAFPlan udafPlan, QueryContext context) Execute UDAF query.
QueryDataSet	udtfQuery(UDTFPlan udtfPlan, QueryContext context) Execute UDTF query

方法详细资料

rawDataQuery

QueryDataSet rawDataQuery(RawDataQueryPlan queryPlan,
                          QueryContext context)
                   throws StorageEngineException,
                          QueryProcessException

Execute physical plan.

抛出:

StorageEngineException

QueryProcessException

aggregate

QueryDataSet aggregate(AggregationPlan aggregationPlan,
                       QueryContext context)
                throws QueryFilterOptimizationException,
                       StorageEngineException,
                       IOException,
                       QueryProcessException

Execute aggregation query.

抛出:

QueryFilterOptimizationException

StorageEngineException

IOException

QueryProcessException

udafQuery

QueryDataSet udafQuery(UDAFPlan udafPlan,
                       QueryContext context)
                throws QueryFilterOptimizationException,
                       StorageEngineException,
                       IOException,
                       QueryProcessException

Execute UDAF query.

抛出:

QueryFilterOptimizationException

StorageEngineException

IOException

QueryProcessException

groupBy

QueryDataSet groupBy(GroupByTimePlan groupByTimePlan,
                     QueryContext context)
              throws QueryFilterOptimizationException,
                     StorageEngineException,
                     QueryProcessException,
                     IOException

Execute groupBy query.

抛出:

QueryFilterOptimizationException

StorageEngineException

QueryProcessException

IOException

fill

QueryDataSet fill(FillQueryPlan fillQueryPlan,
                  QueryContext context)
           throws StorageEngineException,
                  QueryProcessException,
                  IOException

Execute fill query.

抛出:

StorageEngineException

QueryProcessException

IOException

groupByFill

QueryDataSet groupByFill(GroupByTimeFillPlan groupByFillPlan,
                         QueryContext context)
                  throws QueryFilterOptimizationException,
                         StorageEngineException,
                         QueryProcessException,
                         IOException

Execute group by fill query

抛出:

QueryFilterOptimizationException

StorageEngineException

QueryProcessException

IOException

lastQuery

QueryDataSet lastQuery(LastQueryPlan lastQueryPlan,
                       QueryContext context)
                throws StorageEngineException,
                       QueryProcessException,
                       IOException

Execute last query

抛出:

StorageEngineException

QueryProcessException

IOException

udtfQuery

QueryDataSet udtfQuery(UDTFPlan udtfPlan,
                       QueryContext context)
                throws StorageEngineException,
                       QueryProcessException,
                       IOException,
                       InterruptedException

Execute UDTF query

抛出:

StorageEngineException

QueryProcessException

IOException

InterruptedException