RE: [SQL] Trigger question
От | Michael J Davis |
---|---|
Тема | RE: [SQL] Trigger question |
Дата | |
Msg-id | 93C04F1F5173D211A27900105AA8FCFC1454CC@lambic.prevuenet.com обсуждение исходный текст |
Список | pgsql-sql |
I would not store the last name in the employee_payroll table. I the primary should be something like an employee_id. This would eliminate the need to update the employee_payroll table every time an employee name changes. > -----Original Message----- > From: Adam H. Pendleton [SMTP:apendleton@vgsinc.com] > Sent: Monday, May 10, 1999 11:38 AM > To: pgsql-sql@hub.org > Subject: [SQL] Trigger question > > I have a dilema, and I'm not sure what the best way to go about solving it > is. I have a table called employee_master, and a table called > employee_payroll. The primary key for both tables is the employee name. > It > would be easy for me to set up a trigger that checked the master table > when > inserting into the payroll table to make sure the employee exists. My > problem is this: The employee names are stored Last, First in both > tables. > The data file I am parsing to insert into the payroll table contains just > the last name. Now I can make a trigger that uses a 'like' and checks the > employees division as well to ensure that they are in the employee_master, > but how do I update with just the last name? I don't want to insert, I > need > to be able to update the data in the row. > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Si hoc legere scis nimium eruditionis habes. > >
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