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Analyze Table Index Trace Telemetry

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APPLIES TO: Business Central 2021 release wave 1, version 18.0 and later

Note

Azure Active Directory is now Microsoft Entra ID. Learn more

The table index trace gathers data when an index is added to, modified, or removed from a base table by a table extension.

In AL, an index is defined by a key, which can include one or more table fields. A key in a table extension object can include either fields from the base table or fields from the table extension object itself. A key that includes base tables fields is added as an index on the base table in the SQL database. For more information, see Table Keys.

This signal is emitted when a table extension object is installed or upgraded on a tenant, and it does one of the following operations:

  • Adds an index to the base table
  • Changes an existing index on the base table, for example, it adds or removes fields
  • Removes an existing index from the base table

Index enabled

Occurs when an index was added or modified on the base table by key in a table extension object.

General dimensions

Dimension Description or value
message Index enabled: {alObjectName}
severityLevel 1

Custom dimensions

Dimension Description or value
eventId LC0024
alObjectId Specifies the ID of table that the index was added or changed.
alObjectName Specifies the name of table that the index was added or changed.
extensionId Specifies the ID of the extension that added the index.
extensionName Specifies the name of the extension that added or changed the index.
extensionPublisher Specifies the publisher of the extension that added or changed the index.
keyMaintainSIFTIndex Specifies whether the index's MaintainSIFTIndex property is true or false.
keyMaintainSQLIndex Specifies whether the index's MaintainSQLIndex property is true or false.
keyFields Specifies the table fields that are included in the index.
keyName Specifies the name of the index that was added or changed.

Common custom dimensions

The following table explains other custom dimensions that are common to all table index traces.

Dimension Description or value
aadTenantId Specifies the Microsoft Entra tenant ID used for Microsoft Entra authentication. For on-premises, if you aren't using Microsoft Entra authentication, this value is common.
component Dynamics 365 Business Central Server.
componentVersion Specifies the version number of the component that emits telemetry (see the component dimension.)
deprecatedKeys Specifies a comma-separated list of all the keys that have been deprecated. The keys in this list are still supported but will eventually be removed in the next major release. We recommend that update any queries that use these keys to use the new key name.
environmentName Specifies the name of the tenant environment. See Managing Environments. This dimension isn't included for Business Central on-premises environments.
environmentType Specifies the environment type for the tenant, such as Production, Sandbox, Trial. See Environment Types
telemetrySchemaVersion Specifies the version of the Business Central telemetry schema.

Index disabled

Occurs when an index was removed from the base table by table extension object.

General dimensions

Dimension Description or value
message Index disabled: {alObjectName}
severityLevel 1

Custom dimensions

Dimension Description or value
eventId LC0025
alObjectId Specifies the ID of table that the index was removed from.
alObjectName Specifies the name of table that the index was removed from.
extensionId Specifies the ID of the extension that removed the index.
extensionName Specifies the name of the extension that removed the index.
extensionPublisher Specifies the publisher of the extension that removed the index.
keyMaintainSIFTIndex Specifies whether the index's MaintainSIFTIndex property was true or false.
keyMaintainSQLIndex Specifies whether the index's MaintainSQLIndex property was true or false.
keyFields Specifies the table fields that are included in the index.
keyName Specifies the name of the index that was removed.
See common custom dimensions

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