IDOL Server 23.2

# FieldCheckType Fields

You can configure the IDOL Content component to identify a field contained in a large number of documents whose entire value is frequently used to restrict results (for example, a field that stores category names). When this field is indexed, Content stores it in a fast look-up table in memory, so that it can quickly return the field.

NOTE: If you set URLAnalysis to `True` in the `[Server]` section of the IDOL Content component configuration file, you cannot identify a field as a FieldCheckType field, because Content automatically uses the domain it finds in ReferenceType fields as the FieldCheck value.

To set up FieldCheckType fields

1. Open the IDOL Content component configuration file in a text editor.

2. List a process that identifies numeric fields in the `[FieldProcessing]` section. For example:

       [FieldProcessing]
       0=MyFirstProcess
       1=FieldCheckTypeIdentification

3. Create a section for each process that you listed, and in each section, create a property for the process (you define the property later by setting one or more applicable configuration parameters). Identify the fields that you want to associate with the process.

   NOTE: The properties that you create must not have the same name as the processes.

   For example:

       [MyFirstProcess]
       Property=MyProperty
       PropertyFieldCSVs=*/MyField,*/MyOtherField

       [FieldCheckTypeIdentification]
       Property=FieldCheck
       PropertyFieldCSVs=*/CATEGORY

4. Create a section for the property in which you set the FieldCheckType parameter to `True`. This enables Content to memory map the associated PropertyFieldCSVs fields. For example:

       [FieldCheck]
       FieldCheckType=True

5. Save and close the configuration file.

6. Restart the IDOL Content component for your changes to take effect.

When you now use a Query, Suggest, or SuggestOnText action to query for results, you can:

- Use the `Combine` action parameter to restrict the result output to the most relevant result for each available FieldCheckType field value (by setting it to `FieldCheck`).

- Use the FieldCheck action parameter to restrict the result output to documents whose FieldCheckType field matches a specific value (this is also available for the GetQueryTagValues action).

## Combine Parameter Example

In this example, Content is configured to store the `Category` field as a FieldCheckType field.

The following query is sent to Content.

    http://12.3.4.56:4000/action=Query&Text=The best thing to do in your spare time&Combine=FieldCheck

If Content contains 50 documents that match the query text, of which eight contain a `Category` field with the value `Sport`, five contain a `Category` field with the value `Gardening`, and one contains a `Category` field with the value `Cooking`, the above query returns only three results:

- The most relevant of the documents whose `Category` contains the value `Sport`.

- The most relevant of the documents whose `Category` contains the value `Gardening`.

- The document whose `Category` contains the value `Cooking`.

## FieldCheck Parameter Example

In this example, Content is configured to store the `Color` field as a FieldCheckType field.

The following query is sent to Content.

    http://12.3.4.56:4000/action=Query&Text=A fast sports car&FieldCheck=Red

This query returns only results whose content matches the specified Text and whose FieldCheckType field has the value `Red`.

Copyright 2023 Open Text
Version 23.2 | Last updated March 2023

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Product: IDOL Server 23.2

Topic Title: FieldCheckType Fields