Query below lists table triggers in a database with their details.

Query

select event_object_schema as table_schema,
       event_object_table as table_name,
       trigger_schema,
       trigger_name,
       string_agg(event_manipulation, ',') as event,
       action_timing as activation,
       action_condition as condition,
       action_statement as definition
from information_schema.triggers
group by 1,2,3,4,6,7,8
order by table_schema,
         table_name;

Columns

• table_schema - name of the table schema
• table_name - name of the trigger table
• trigger_schema - name of the trigger schema
• trigger_name - name of the trigger
• event - specific SQL operation: Insert, Update or Delete
• activation - trigger activation time: After, Instead of or BEFORE
• condition - trigger activation condition
• definition - definition of trigger - in postgreSQL it is always EXECUTE PROCEDURE function_name()

Rows

• One row represents one trigger
• Scope of rows: all triggers in a database
• Ordered by schema name, table name

Sample results