Re: [SQL] Trigger on a column

2006-02-06 Thread Richard Huxton
Josep SanmartĂ­ wrote: Hi, readding around I just found this: The CREATE TRIGGER statement in PostgreSQL implements a subset of the SQL99 standard. (There are no provisions for triggers in SQL92.) The following functionality IS MISSING: * SQL99 allows triggers to fire on updates to specific col

Re: [SQL] Trigger on a column

2006-02-06 Thread Josep SanmartĂ­
Hi, readding around I just found this: The CREATE TRIGGER statement in PostgreSQL implements a subset of the SQL99 standard. (There are no provisions for triggers in SQL92.) The following functionality IS MISSING: * SQL99 allows triggers to fire on updates to specific columns (e.g., AFTER UPDA