com.vertica.sdk.PlanContext Class Reference

Inheritance diagram for com.vertica.sdk.PlanContext:

Collaboration diagram for com.vertica.sdk.PlanContext:

Public Member Functions
	PlanContext (ParamWriter writer, ArrayList< String > clusterNodes)
	PlanContext (ParamWriter writer)
ArrayList< String >	getClusterNodes ()
ParamReader	getReader ()
ParamWriter	getWriter ()

Detailed Description

Shared query-plan state, used when different parts of query planning take place on different nodes. For example, if some work is done on the query initiator node and some is done on each node executing the query, this class stores shared state.

Member Function Documentation

getClusterNodes()

ArrayList<String> com.vertica.sdk.PlanContext.getClusterNodes

(

)

Returns

A list of all of the nodes in the current cluster, by node name

Referenced by com.vertica.sdk.NodeSpecifyingPlanContext.setTargetNodes().

getReader()

ParamReader com.vertica.sdk.PlanContext.getReader

(

)

Returns

A read-only instance of the current context

getWriter()

ParamWriter com.vertica.sdk.PlanContext.getWriter

(

)

Returns

The current context for writing