> If I try to insert some row which in the table already exist the
> postgre don't insert it and tell some error. Everything ok.
> I'll insert only if there is not the same (same key) record,
> else don't insert and don't tell me errors about it.
> In MySQL is a switch [IGNORE].
Not a good feature for me. What do you do if the record already exists?
Update it?
Check existence and then insert or update. If you want, I guess you could
wrap that inside a stored procedure.