com.bigdata.bop.joinGraph.rto

Interface JoinGraph.Attributes

Enclosing class:

JoinGraph

public static interface JoinGraph.Attributes

IQueryAttributes names for the JoinGraph. The fully qualified name of the attribute is formed by appending the attribute name to the "bopId-", where bopId is the value returned by BOp.getId()

Author:

Bryan Thompson

Field Summary

Fields

Modifier and Type	Field and Description
static String	PATH The join path selected by the RTO (output).
static String	QUERY_PLAN The physical query plan generated from the RTO determined best join ordering (output).
static String	SAMPLES The samples associated with join path selected by the RTO (output).

Field Detail

PATH

static final String PATH

The join path selected by the RTO (output).

SAMPLES

static final String SAMPLES

The samples associated with join path selected by the RTO (output).

QUERY_PLAN

static final String QUERY_PLAN

The physical query plan generated from the RTO determined best join ordering (output). This is used to specify the query plan to be executed by a downstream operator.