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TIBCO BusinessEvents® Enterprise Edition 6.3.1

# Enabling Explicit Tuple Format for Legacy ActiveSpaces Cluster Fields

You can set a property in the CDD so that they are instead stored as tuples. That is, TIBCO BusinessEvents attempts to create explicit space structures for each entity type.

In Shared Nothing mode, explicit tuple format is assumed internally. You should not set this property in Shared Nothing mode.

You can still use query language queries (as explained in Query the Cache Using BQL Queries) if entities and their properties are stored as blobs. However, performance is improved if they are stored as tuples.

Only certain datatypes can be stored as tuples:

- Primitive datatypes

         int, long, boolean, string, datetime, contained, reference

  Are stored as the equivalent Legacy ActiveSpaces types:

         integer, long, boolean, string, calendar, long, long

- Concepts
  - Concept property arrays are stored as blob columns
- Events
  - Payload is a byte array or blob
- State Models

If an error occurs, for example due to an unsupported datatype, the item reverts to its original blob format.

Procedure

You have to set the "Store Properties As Individual Fields" field to `true` to enable explicit tuple format.

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TIBCO BusinessEvents® Enterprise Edition

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