On 2018-Jun-20, Igor Korot wrote: > [quote] > In order to create an event trigger, you must first create a function > with the special return type event_trigger. This function need not > (and may not) return a value; the return type serves merely as a > signal that the function is to be invoked as an event trigger. > [/quote] > > So, the function has to be created and compiled.
Event trigger functions can be written in plpgsql. You can use pg_event_trigger_ddl_commands() in the ddl_command_end event to obtain a few tidbits about the DDL that was just executed. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
