inquiery

Started by Jinqiang Hanalmost 23 years ago2 messages
#1Jinqiang Han
postgresql@db.pku.edu.cn

hello,
what is RIR rules in Rewriter? What RIR means?
Thank you very much.
Jinqiang Han

#2Jan Wieck
JanWieck@Yahoo.com
In reply to: Jinqiang Han (#1)
Re: inquiery

Jinqiang Han wrote:

hello£¬
what is RIR rules in Rewriter? What RIR means?
Thank you very much.
Jinqiang Han

Retrieve-Instead-Retrieve

The name is based on history.

RETRIEVE was the PostQUEL keyword for what you know as SELECT. A rule
fired on a RETRIEVE event, that is an unconditional INSTEAD rule with
exactly one RETRIEVE action is called RIR-rule.

Jan

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