Re: [HACKERS] [PATCH] Lockable views - Mailing list pgsql-hackers

From Tatsuo Ishii
Subject Re: [HACKERS] [PATCH] Lockable views
Date
Msg-id 20180206.124936.1308836747400108762.t-ishii@sraoss.co.jp
Whole thread Raw
In response to Re: [HACKERS] [PATCH] Lockable views  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: [HACKERS] [PATCH] Lockable views  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
> Hmm, true.  Why exactly are we imposing the restriction to updateable
> views, anyway?

In my understanding, because of ambiguity to determine which rows in
which base tables needs to be modified by just looking at the DML
against a view. There could be multiple ways to modify the base
tables.

Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp


pgsql-hackers by date:

Previous
From: Robert Haas
Date:
Subject: Re: [HACKERS] MERGE SQL Statement for PG11
Next
From: Robert Haas
Date:
Subject: Re: [HACKERS] MERGE SQL Statement for PG11