PostgreSQL trigger function using "case when" and "else"
You want an IF statement. And if you want to change the value that is stored in the table, you need to modify the new record:Postgres: Triggers causing deadlock - Stack OverflowPostgreSQL: how to display function or trigger or view code for a ...How to check when postgres trigger was created? - Stack Overflowsql - How to get the trigger(s) associated with a view or a table in ...More results from stackoverflow.com
Documentation: 14: 39.1. Overview of Trigger Behavior - PostgreSQL
On tables and foreign tables, triggers can be defined to execute either before or after any INSERT , UPDATE , or DELETE operation, either once per modified row, ...Missing: coupon | Must include:coupon
First, trigger names are local to each table in PostgreSQL, rather than being independent schema objects. Therefore there can be duplicate trigger names defined ...Missing: coupon | Must include:coupon