Package org.apache.iotdb.db.query.executor

Interface IQueryRouter

All Known Implementing Classes:

QueryRouter

public interface IQueryRouter

Method Summary

Modifier and Type	Method	Description
org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet	aggregate(AggregationPlan aggregationPlan, QueryContext context)	Execute aggregation query.
org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet	fill(FillQueryPlan fillQueryPlan, QueryContext context)	Execute fill query.
org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet	groupBy(GroupByTimePlan groupByTimePlan, QueryContext context)	Execute groupBy query.
org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet	groupByFill(GroupByTimeFillPlan groupByFillPlan, QueryContext context)	Execute group by fill query
org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet	lastQuery(LastQueryPlan lastQueryPlan, QueryContext context)	Execute last query
org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet	rawDataQuery(RawDataQueryPlan queryPlan, QueryContext context)	Execute physical plan.
org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet	udafQuery(UDAFPlan udafPlan, QueryContext context)	Execute UDAF query.
org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet	udtfQuery(UDTFPlan udtfPlan, QueryContext context)	Execute UDTF query

Method Detail

rawDataQuery

org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet rawDataQuery(RawDataQueryPlan queryPlan,
                                                                     QueryContext context)
                                                              throws StorageEngineException,
                                                                     QueryProcessException

Execute physical plan.

Throws:

StorageEngineException

QueryProcessException

aggregate

org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet aggregate(AggregationPlan aggregationPlan,
                                                                  QueryContext context)
                                                           throws org.apache.iotdb.tsfile.exception.filter.QueryFilterOptimizationException,
                                                                  StorageEngineException,
                                                                  java.io.IOException,
                                                                  QueryProcessException

Execute aggregation query.

Throws:

org.apache.iotdb.tsfile.exception.filter.QueryFilterOptimizationException

StorageEngineException

java.io.IOException

QueryProcessException

udafQuery

org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet udafQuery(UDAFPlan udafPlan,
                                                                  QueryContext context)
                                                           throws org.apache.iotdb.tsfile.exception.filter.QueryFilterOptimizationException,
                                                                  StorageEngineException,
                                                                  java.io.IOException,
                                                                  QueryProcessException

Execute UDAF query.

Throws:

org.apache.iotdb.tsfile.exception.filter.QueryFilterOptimizationException

StorageEngineException

java.io.IOException

QueryProcessException

groupBy

org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet groupBy(GroupByTimePlan groupByTimePlan,
                                                                QueryContext context)
                                                         throws org.apache.iotdb.tsfile.exception.filter.QueryFilterOptimizationException,
                                                                StorageEngineException,
                                                                QueryProcessException,
                                                                java.io.IOException

Execute groupBy query.

Throws:

org.apache.iotdb.tsfile.exception.filter.QueryFilterOptimizationException

StorageEngineException

QueryProcessException

java.io.IOException

fill

org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet fill(FillQueryPlan fillQueryPlan,
                                                             QueryContext context)
                                                      throws StorageEngineException,
                                                             QueryProcessException,
                                                             java.io.IOException

Execute fill query.

Throws:

StorageEngineException

QueryProcessException

java.io.IOException

groupByFill

org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet groupByFill(GroupByTimeFillPlan groupByFillPlan,
                                                                    QueryContext context)
                                                             throws org.apache.iotdb.tsfile.exception.filter.QueryFilterOptimizationException,
                                                                    StorageEngineException,
                                                                    QueryProcessException,
                                                                    java.io.IOException

Execute group by fill query

Throws:

org.apache.iotdb.tsfile.exception.filter.QueryFilterOptimizationException

StorageEngineException

QueryProcessException

java.io.IOException

lastQuery

org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet lastQuery(LastQueryPlan lastQueryPlan,
                                                                  QueryContext context)
                                                           throws StorageEngineException,
                                                                  QueryProcessException,
                                                                  java.io.IOException

Execute last query

Throws:

StorageEngineException

QueryProcessException

java.io.IOException

udtfQuery

org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet udtfQuery(UDTFPlan udtfPlan,
                                                                  QueryContext context)
                                                           throws StorageEngineException,
                                                                  QueryProcessException,
                                                                  java.io.IOException,
                                                                  java.lang.InterruptedException

Execute UDTF query

Throws:

StorageEngineException

QueryProcessException

java.io.IOException

java.lang.InterruptedException