> For the complete documentation index, see [llms.txt](https://myroslavs-organization.gitbook.io/orm/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://myroslavs-organization.gitbook.io/orm/api/additional-api.md).

# Additional API

**EventManagerInterface & CacheManagerInterface**

EventManagerInterface now includes CacheManagerInterface, merging their functionality.

**Methods:**

* **clearCache:**
  * **key:** Cache key to be cleared (string).
  * **Returns:** Promise\<void> signaling successful cache clearing.

**Field:**

* **cache:** Implementation of CacheManagerInterface that allows cache management.

***

**IndexManagerInterface**

**Methods:**

* **createIndex:**
  * **index:** Object implementing IndexInterface\<DT>. Describes the index to be created.
  * **id (optional):** Identifier of the index.
  * **indexName:** Name of the index.
  * **columns:** List of columns included in the index.
  * **tableName (optional):** Name of the table to which the index is applied.
  * **options (optional):** Index options specific to the database.
  * **getString (optional):** Boolean indicating whether to get the query string (boolean).
  * **Returns:** Promise which may be a string (if getString true) or void.
* **dropIndex:**
  * **parameters:** Object implementing DropIndexInterface\<DT>. Describes parameters for dropping the index.
  * **indexName:** Name of the index.
  * **tableName (optional, for MySQL):** Name of the table from which the index is being dropped.
  * **getString (optional):** Boolean indicating whether to get the query string (boolean).
  * **Returns:** Promise which may be a string (if getString true) or void.

***

**TriggerManagerInterface**

**Methods:**

* **createTrigger:**
  * **trigger:** Object implementing TriggerInterface\<DT>. Describes the trigger to be created.
  * **id (optional):** Identifier of the trigger.
  * **name:** Name of the trigger.
  * **timing:** Timing of the trigger, defined in TriggerTimingsTypes.
  * **event:** Event of the trigger, defined in TriggerEventsTypes.
  * **tableName:** Name of the table for which the trigger is created.
  * **triggerFunction:** Function called by the trigger.
  * **For PostgreSQL:** triggerFunctionName (required).
  * **getString (optional):** Boolean indicating whether to get the query string (boolean).
  * **Returns:** Promise which may be a string (if getString true) or void.
* **dropTrigger:**
  * **parameters:** Object implementing DropTriggerInterface\<DT>. Describes parameters for dropping the trigger.
  * **triggerName:** Name of the trigger.
  * **tableName (optional, for PostgreSQL):** Name of the table from which the trigger is being dropped.
  * **getString (optional):** Boolean indicating whether to get the query string (boolean).
  * **Returns:** Promise which may be a string (if getString true) or void.

***

**Overview**

* **CacheManagerInterface:** Allows managing the cache through the `clearCache` method, which clears the cache for the specified key.
* **EventManagerInterface:** Includes cache management capabilities through CacheManagerInterface and provides access to the cache manager.
* **IndexManagerInterface:** Allows creating and dropping indexes in the database, with the option to get SQL queries.
* **TriggerManagerInterface:** Allows creating and dropping triggers in the database, with the option to get SQL queries and support for database-specific functions.


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