[This topic is pre-release documentation and is subject to change in future releases. Blank topics are included as placeholders.]

Build index specification from navigability info.

Looks at each stream and determines which properties in the stream must be indexed in order for other streams to look up into the stream. Determines the unique set of properties to avoid building duplicate indexes on the same set of properties.

Namespace: net.esper.eql.join.plan
Assembly:   NEsper (in NEsper.dll)

Syntax

Visual Basic (Declaration)
Public Shared Function BuildIndexSpec ( _
	queryGraph As QueryGraph _
) As QueryPlanIndex()
C#
public static QueryPlanIndex[] BuildIndexSpec (
	QueryGraph queryGraph
)
Visual C++
public:
static array<QueryPlanIndex^>^ BuildIndexSpec (
	QueryGraph^ queryGraph
)

Parameters

queryGraph
net.esper.eql.join.plan.QueryGraph
navigability info

Return Value

query index specs for each stream