Package org.apache.iotdb.db.qp

Class Planner

java.lang.Object

org.apache.iotdb.db.qp.Planner

public class Planner
extends java.lang.Object

provide a integration method for other user.

Constructor Summary

Constructors

Constructor	Description
Planner()

Method Summary

Modifier and Type	Method	Description
protected PhysicalPlan	generatePhysicalPlanFromOperator(Operator operator)
PhysicalPlan	lastDataQueryReqToPhysicalPlan(org.apache.iotdb.service.rpc.thrift.TSLastDataQueryReq lastDataQueryReq, java.time.ZoneId zoneId, org.apache.iotdb.commons.conf.IoTDBConstant.ClientVersion clientVersion)	convert last data query to physical plan directly
protected Operator	logicalOptimize(Operator operator)	given an unoptimized logical operator tree and return a optimized result.
PhysicalPlan	operatorToPhysicalPlan(Operator operator)
PhysicalPlan	parseSQLToGrafanaQueryPlan(java.lang.String sqlStr, java.time.ZoneId zoneId)
PhysicalPlan	parseSQLToPhysicalPlan(java.lang.String sqlStr)
PhysicalPlan	parseSQLToPhysicalPlan(java.lang.String sqlStr, java.time.ZoneId zoneId, org.apache.iotdb.commons.conf.IoTDBConstant.ClientVersion clientVersion)
PhysicalPlan	parseSQLToRestQueryPlan(java.lang.String sqlStr, java.time.ZoneId zoneId)
PhysicalPlan	rawDataQueryReqToPhysicalPlan(org.apache.iotdb.service.rpc.thrift.TSRawDataQueryReq rawDataQueryReq, java.time.ZoneId zoneId, org.apache.iotdb.commons.conf.IoTDBConstant.ClientVersion clientVersion)	convert raw data query to physical plan directly

Methods inherited from class java.lang.Object

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

Constructor Detail

Planner

public Planner()

Method Detail

parseSQLToPhysicalPlan

public PhysicalPlan parseSQLToPhysicalPlan(java.lang.String sqlStr)
                                    throws QueryProcessException

Throws:

QueryProcessException

parseSQLToPhysicalPlan

public PhysicalPlan parseSQLToPhysicalPlan(java.lang.String sqlStr,
                                           java.time.ZoneId zoneId,
                                           org.apache.iotdb.commons.conf.IoTDBConstant.ClientVersion clientVersion)
                                    throws QueryProcessException

Throws:

QueryProcessException

rawDataQueryReqToPhysicalPlan

public PhysicalPlan rawDataQueryReqToPhysicalPlan(org.apache.iotdb.service.rpc.thrift.TSRawDataQueryReq rawDataQueryReq,
                                                  java.time.ZoneId zoneId,
                                                  org.apache.iotdb.commons.conf.IoTDBConstant.ClientVersion clientVersion)
                                           throws org.apache.iotdb.commons.exception.IllegalPathException,
                                                  QueryProcessException

convert raw data query to physical plan directly

Throws:

org.apache.iotdb.commons.exception.IllegalPathException

QueryProcessException

lastDataQueryReqToPhysicalPlan

public PhysicalPlan lastDataQueryReqToPhysicalPlan(org.apache.iotdb.service.rpc.thrift.TSLastDataQueryReq lastDataQueryReq,
                                                   java.time.ZoneId zoneId,
                                                   org.apache.iotdb.commons.conf.IoTDBConstant.ClientVersion clientVersion)
                                            throws QueryProcessException,
                                                   org.apache.iotdb.commons.exception.IllegalPathException

convert last data query to physical plan directly

Throws:

QueryProcessException

org.apache.iotdb.commons.exception.IllegalPathException

parseSQLToRestQueryPlan

public PhysicalPlan parseSQLToRestQueryPlan(java.lang.String sqlStr,
                                            java.time.ZoneId zoneId)
                                     throws QueryProcessException

Throws:

QueryProcessException

parseSQLToGrafanaQueryPlan

public PhysicalPlan parseSQLToGrafanaQueryPlan(java.lang.String sqlStr,
                                               java.time.ZoneId zoneId)
                                        throws QueryProcessException

Throws:

QueryProcessException

operatorToPhysicalPlan

public PhysicalPlan operatorToPhysicalPlan(Operator operator)
                                    throws QueryProcessException

Throws:

QueryProcessException

generatePhysicalPlanFromOperator

protected PhysicalPlan generatePhysicalPlanFromOperator(Operator operator)
                                                 throws QueryProcessException

Throws:

QueryProcessException

logicalOptimize

protected Operator logicalOptimize(Operator operator)
                            throws LogicalOperatorException,
                                   PathNumOverLimitException

given an unoptimized logical operator tree and return a optimized result.

Parameters:

operator - unoptimized logical operator

Returns:

optimized logical operator

Throws:

LogicalOptimizeException - exception in logical optimizing

LogicalOperatorException

PathNumOverLimitException