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 clusterNodes)
	PlanContext (ParamWriter writer)
ArrayList	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

ArrayList com.vertica.sdk.PlanContext.getClusterNodes()

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

ParamReader com.vertica.sdk.PlanContext.getReader()

Returns A read-only instance of the current context

ParamWriter com.vertica.sdk.PlanContext.getWriter()

Returns The current context for writing