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In case you are upgrading to version 9.7 or higher and want to benefit from the full text search the aggregates that you already have stored in DB database must be indexed.

Step-by-step guide to add the service

1. In Studio add a custom service named AQ_Aggregate_Index_Migrate
2. The service definition looks like this:
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3. The aggregateId is always required.
   The aggregate version is optional. In case this is not specified, the latest version of an aggregate will be indexed.
    

   This service throws only one event: AppException

   We need a service that is able to update an aggregate. This service has following parameters:

    

   Parameter	Direction	Value	Data Type	Description	Fill
   AggregateType	Input	Module Element	Aggregate	Select the aggregate that you want to update.	Required
   AggregateID	Input	Expression	Integer	Please provide the attribute containing the ID of the aggregate entry to index.	Required
   AggregateVersion	Input	Expression	Integer	If a specific version of the aggregate needs to be updated. If not provided then the latest one is updated.
   StoreInstances	Input	Expression	Entity

    

   Event Name	Event Type	Description
   AppException	Cancel	The service takes this exit if indexing failed for some reason.

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The service you defined can be use in a flow like this:

• A project that wants to index the aggregates has to create an exposed migration flow.
• In this flow you first call the AQ_AggregateRead to load the existing aggregates into the profile.
• The next step is to use the AQ_Aggregate_Index_Migrate service to add the aggregate index.
• The flow must be exposed, and should be called for every aggregate Id in the database. It can be passed as a parameter in the URL, and retrieved from there with the BB_SetRequestParameters service.

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