40.2. Event Trigger Firing Matrix
Table 40.1 lists all commands for which event triggers are supported.
Table 40.1. Event Trigger Support by Command Tag
| Command Tag | 
       
        ddl_ command_ start
       
       | 
      
       
        ddl_ command_ end
       
       | 
      
       
        sql_ drop
       
       | 
      
       
        table_ rewrite
       
       | 
      Notes | 
|---|---|---|---|---|---|
       
        ALTER AGGREGATE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER COLLATION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER CONVERSION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER DOMAIN
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER DEFAULT PRIVILEGES
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER EXTENSION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER FOREIGN DATA WRAPPER
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER FOREIGN TABLE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER FUNCTION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER LANGUAGE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER LARGE OBJECT
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER MATERIALIZED VIEW
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        X
       
       | 
      |
       
        ALTER OPERATOR
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER OPERATOR CLASS
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER OPERATOR FAMILY
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER POLICY
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER PROCEDURE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER PUBLICATION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER ROUTINE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER SCHEMA
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER SEQUENCE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER SERVER
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER STATISTICS
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER SUBSCRIPTION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER TABLE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      |
       
        ALTER TEXT SEARCH CONFIGURATION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER TEXT SEARCH DICTIONARY
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER TEXT SEARCH PARSER
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER TEXT SEARCH TEMPLATE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER TRIGGER
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER TYPE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        X
       
       | 
      |
       
        ALTER USER MAPPING
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        ALTER VIEW
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        COMMENT
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      Only for local objects | 
       
        CREATE ACCESS METHOD
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE AGGREGATE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE CAST
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE COLLATION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE CONVERSION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE DOMAIN
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE EXTENSION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE FOREIGN DATA WRAPPER
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE FOREIGN TABLE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE FUNCTION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE INDEX
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE LANGUAGE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE MATERIALIZED VIEW
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE OPERATOR
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE OPERATOR CLASS
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE OPERATOR FAMILY
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE POLICY
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE PROCEDURE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE PUBLICATION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE RULE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE SCHEMA
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE SEQUENCE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE SERVER
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE STATISTICS
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE SUBSCRIPTION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE TABLE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE TABLE AS
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE TEXT SEARCH CONFIGURATION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE TEXT SEARCH DICTIONARY
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE TEXT SEARCH PARSER
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE TEXT SEARCH TEMPLATE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE TRIGGER
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE TYPE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE USER MAPPING
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        CREATE VIEW
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        DROP ACCESS METHOD
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP AGGREGATE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP CAST
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP COLLATION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP CONVERSION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP DOMAIN
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP EXTENSION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP FOREIGN DATA WRAPPER
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP FOREIGN TABLE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP FUNCTION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP INDEX
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP LANGUAGE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP MATERIALIZED VIEW
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP OPERATOR
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP OPERATOR CLASS
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP OPERATOR FAMILY
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP OWNED
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP POLICY
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP PROCEDURE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP PUBLICATION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP ROUTINE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP RULE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP SCHEMA
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP SEQUENCE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP SERVER
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP STATISTICS
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP SUBSCRIPTION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP TABLE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP TEXT SEARCH CONFIGURATION
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP TEXT SEARCH DICTIONARY
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP TEXT SEARCH PARSER
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP TEXT SEARCH TEMPLATE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP TRIGGER
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP TYPE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP USER MAPPING
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        DROP VIEW
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      |
       
        GRANT
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      Only for local objects | 
       
        IMPORT FOREIGN SCHEMA
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        REFRESH MATERIALIZED VIEW
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      |
       
        REVOKE
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      Only for local objects | 
       
        SECURITY LABEL
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       | 
      Only for local objects | 
       
        SELECT INTO
       
       | 
      
       
        X
       
       | 
      
       
        X
       
       | 
      
       
        -
       
       | 
      
       
        -
       
       |