Re: Before Inert does not mutate, others do - Why?
From: Jonathan Wayne Ingram <jwingram_at_whale.st.usm.edu>
Date: 1996/01/22
Message-ID: <4e091q$c0o_at_thorn.cc.usm.edu>#1/1
Date: 1996/01/22
Message-ID: <4e091q$c0o_at_thorn.cc.usm.edu>#1/1
badri (badri_at_cc.gatech.edu) wrote:
: Why does before insert alone succeed in this case? It seems that
: if before insert succeeds, after delete should also not mutate, but it
: does.
Well, you can't read an index that is changing. By updating or deleting a row, you are altering the index. Inserting is the one exception to this rule; the insert doesn't (for some unknown reason) prevent the index from being read.
Jonathan Received on Mon Jan 22 1996 - 00:00:00 CET