Event Trigger

Defines an Event Trigger

Properties

Property	Type	Required	Description
sql	string	—	User-provided raw SQL snippet.
name	string	—	The event trigger name.
event	ddl_command_start | ddl_command_end | table_rewrite | sql_drop	—	The event that cause the fire to trigger.
filter	object	—	The name of a variable used to filter events. This makes it possible to restrict the firing of the trigger to a subset of the cases in which it is supported.
function	string	—	The trigger function to execute.
enabled	ORIGIN | REPLICA | ALWAYS | DISABLED	—	When the trigger fires (ALTER EVENT TRIGGER). ORIGIN, the default, fires it in a normal session; REPLICA only when session_replication_role is replica; ALWAYS in both; DISABLED never.
comment	string	—	An optional comment about the table.
dependencies	dependencies	—	Database objects this object is dependent upon.

filter

The name of a variable used to filter events. This makes it possible to restrict the firing of the trigger to a subset of the cases in which it is supported.

Property	Type	Required	Description
tags	array of string	yes	A list of tag values to filter on (e.g. 'DROP FUNCTION').

Mutually exclusive forms

Exactly one of these must hold:

• sql, without name or event or filter or function
• name and event and function, without sql

No other properties are accepted.

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Source: schemata/event_trigger.yml · Resolved JSON Schema: event_trigger.json