Ensemble Release Notes
New Features and Enhancements
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This chapter describes the following new features and enhancements:

Improved Efficiency for Message Search
In this release there are substantial efficiency improvements in message search including:
There is a new property in search tables that can identify properties as not selective. This information allows Ensemble to efficiently search messages because:
To mark a property as not being selective, assign a true value to the unselective property in the VDOC search table XData block.
Record Mapper Can Ignore Fields when Loading Files
In this release, you can specify that some fields in a Record Map should be ignored and not included in the Ensemble message. If a delimited or fixed-column file contains many fields but you only need a limited subset, you can improve efficiency and reduce storage requirements by ignoring unneeded fields. To specify that a field should be ignored, select Ignore in the Record Mapper Field panel or set ignored=1 in the XData block.
In addition, the Record Mapper now displays the field’s SQL column number and index type in the list of fields.
Ability to Create Namespaces that are not Enabled for Ensemble
In certain circumstances, it is useful to create namespaces that are not enabled for Ensemble. In this release you can do this by clearing the Make this an Ensemble namespace checkbox when creating a new namespace.
Minor Enhancements
In addition, this release contains the following minor enhancements:
Caché 2017.1 Features
Ensemble 2017.1 runs on top of Caché 2017.1. This means that, in addition to changes in Ensemble between 2016.2 and 2017.1, the new Ensemble release includes a large number of updates in the underlying Caché technologies.
Caché 2017.1 has the following important new features described in the Caché Release Notes:
To learn about these and other Caché changes that may relate to your Ensemble environment, begin with the InterSystems online documentation set called Getting Started with Caché. See New and Enhanced Features for Caché 2017.1 in the Caché Release Notes.
If you are upgrading, also see the Caché Upgrade Checklists.