org.apache.iotdb.db.qp

类 Planner

java.lang.Object

org.apache.iotdb.db.qp.Planner

public class Planner
extends Object

provide a integration method for other user.

构造器概要

构造器

构造器和说明
Planner()

方法概要

限定符和类型	方法和说明
protected PhysicalPlan	generatePhysicalPlanFromOperator(Operator operator)
PhysicalPlan	lastDataQueryReqToPhysicalPlan(org.apache.iotdb.service.rpc.thrift.TSLastDataQueryReq lastDataQueryReq, ZoneId zoneId, 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(String sqlStr, ZoneId zoneId)
PhysicalPlan	parseSQLToPhysicalPlan(String sqlStr)
PhysicalPlan	parseSQLToPhysicalPlan(String sqlStr, ZoneId zoneId, IoTDBConstant.ClientVersion clientVersion)
PhysicalPlan	parseSQLToRestQueryPlan(String sqlStr, ZoneId zoneId)
PhysicalPlan	rawDataQueryReqToPhysicalPlan(org.apache.iotdb.service.rpc.thrift.TSRawDataQueryReq rawDataQueryReq, ZoneId zoneId, IoTDBConstant.ClientVersion clientVersion) convert raw data query to physical plan directly

从类继承的方法 java.lang.Object

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

构造器详细资料

Planner

public Planner()

方法详细资料

parseSQLToPhysicalPlan

public PhysicalPlan parseSQLToPhysicalPlan(String sqlStr)
                                    throws QueryProcessException

抛出:

QueryProcessException

parseSQLToPhysicalPlan

public PhysicalPlan parseSQLToPhysicalPlan(String sqlStr,
                                           ZoneId zoneId,
                                           IoTDBConstant.ClientVersion clientVersion)
                                    throws QueryProcessException

抛出:

QueryProcessException

rawDataQueryReqToPhysicalPlan

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

convert raw data query to physical plan directly

抛出:

IllegalPathException

QueryProcessException

lastDataQueryReqToPhysicalPlan

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

convert last data query to physical plan directly

抛出:

QueryProcessException

IllegalPathException

parseSQLToRestQueryPlan

public PhysicalPlan parseSQLToRestQueryPlan(String sqlStr,
                                            ZoneId zoneId)
                                     throws QueryProcessException

抛出:

QueryProcessException

parseSQLToGrafanaQueryPlan

public PhysicalPlan parseSQLToGrafanaQueryPlan(String sqlStr,
                                               ZoneId zoneId)
                                        throws QueryProcessException

抛出:

QueryProcessException

operatorToPhysicalPlan

public PhysicalPlan operatorToPhysicalPlan(Operator operator)
                                    throws QueryProcessException

抛出:

QueryProcessException

generatePhysicalPlanFromOperator

protected PhysicalPlan generatePhysicalPlanFromOperator(Operator operator)
                                                 throws QueryProcessException

抛出:

QueryProcessException

logicalOptimize

protected Operator logicalOptimize(Operator operator)
                            throws LogicalOperatorException,
                                   PathNumOverLimitException

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

参数:

operator - unoptimized logical operator

返回:

optimized logical operator

抛出:

LogicalOptimizeException - exception in logical optimizing

LogicalOperatorException

PathNumOverLimitException